diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_span.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_span.c | 4799 |
1 files changed, 0 insertions, 4799 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_span.c b/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_span.c deleted file mode 100644 index 780ec98d9..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/x11/xm_span.c +++ /dev/null @@ -1,4799 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include "glxheader.h" -#include "colormac.h" -#include "context.h" -#include "depth.h" -#include "drawpix.h" -#include "extensions.h" -#include "macros.h" -#include "imports.h" -#include "mtypes.h" -#include "state.h" -#include "xmesaP.h" - -#include "swrast/swrast.h" - - -/* - * The following functions are used to trap XGetImage() calls which - * generate BadMatch errors if the drawable isn't mapped. - */ - -#ifndef XFree86Server -static int caught_xgetimage_error = 0; -static int (*old_xerror_handler)( XMesaDisplay *dpy, XErrorEvent *ev ); -static unsigned long xgetimage_serial; - -/* - * This is the error handler which will be called if XGetImage fails. - */ -static int xgetimage_error_handler( XMesaDisplay *dpy, XErrorEvent *ev ) -{ - if (ev->serial==xgetimage_serial && ev->error_code==BadMatch) { - /* caught the expected error */ - caught_xgetimage_error = 0; - } - else { - /* call the original X error handler, if any. otherwise ignore */ - if (old_xerror_handler) { - (*old_xerror_handler)( dpy, ev ); - } - } - return 0; -} - - -/* - * Call this right before XGetImage to setup error trap. - */ -static void catch_xgetimage_errors( XMesaDisplay *dpy ) -{ - xgetimage_serial = NextRequest( dpy ); - old_xerror_handler = XSetErrorHandler( xgetimage_error_handler ); - caught_xgetimage_error = 0; -} - - -/* - * Call this right after XGetImage to check if an error occured. - */ -static int check_xgetimage_errors( void ) -{ - /* restore old handler */ - (void) XSetErrorHandler( old_xerror_handler ); - /* return 0=no error, 1=error caught */ - return caught_xgetimage_error; -} -#endif - - -/* - * Read a pixel from an X drawable. - */ -static unsigned long read_pixel( XMesaDisplay *dpy, - XMesaDrawable d, int x, int y ) -{ - unsigned long p; -#ifndef XFree86Server - XMesaImage *pixel = NULL; - int error; - - catch_xgetimage_errors( dpy ); - pixel = XGetImage( dpy, d, x, y, 1, 1, AllPlanes, ZPixmap ); - error = check_xgetimage_errors(); - if (pixel && !error) { - p = XMesaGetPixel( pixel, 0, 0 ); - } - else { - p = 0; - } - if (pixel) { - XMesaDestroyImage( pixel ); - } -#else - (*dpy->GetImage)(d, x, y, 1, 1, ZPixmap, ~0L, (void *)&p); -#endif - return p; -} - - - -/* - * The Mesa library needs to be able to draw pixels in a number of ways: - * 1. RGB vs Color Index - * 2. as horizontal spans (polygons, images) vs random locations (points, - * lines) - * 3. different color per-pixel or same color for all pixels - * - * Furthermore, the X driver needs to support rendering to 3 possible - * "buffers", usually one, but sometimes two at a time: - * 1. The front buffer as an X window - * 2. The back buffer as a Pixmap - * 3. The back buffer as an XImage - * - * Finally, if the back buffer is an XImage, we can avoid using XPutPixel and - * optimize common cases such as 24-bit and 8-bit modes. - * - * By multiplication, there's at least 48 possible combinations of the above. - * - * Below are implementations of the most commonly used combinations. They are - * accessed through function pointers which get initialized here and are used - * directly from the Mesa library. The 8 function pointers directly correspond - * to the first 3 cases listed above. - * - * - * The function naming convention is: - * - * [put|get]_[mono]_[row|values]_[format]_[pixmap|ximage] - * - * New functions optimized for specific cases can be added without too much - * trouble. An example might be the 24-bit TrueColor mode 8A8R8G8B which is - * found on IBM RS/6000 X servers. - */ - - - - -/**********************************************************************/ -/*** Write COLOR SPAN functions ***/ -/**********************************************************************/ - - -#define PUT_ROW_ARGS \ - GLcontext *ctx, \ - struct gl_renderbuffer *rb, \ - GLuint n, GLint x, GLint y, \ - const void *values, const GLubyte mask[] - -#define RGB_SPAN_ARGS \ - GLcontext *ctx, \ - struct gl_renderbuffer *rb, \ - GLuint n, GLint x, GLint y, \ - const void *values, const GLubyte mask[] - - -/* NOTE: if mask==NULL, draw all pixels */ - - -/* - * Write a span of PF_TRUECOLOR pixels to a pixmap. - */ -static void put_row_TRUECOLOR_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = XMESA_BUFFER(ctx->DrawBuffer)->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - unsigned long p; - PACK_TRUECOLOR( p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - XMesaSetForeground( dpy, gc, p ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - for (i=0;i<n;i++) { - unsigned long p; - PACK_TRUECOLOR( p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - XMesaPutPixel( rowimg, i, 0, p ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_TRUECOLOR pixels to a pixmap. - */ -static void put_row_rgb_TRUECOLOR_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - unsigned long p; - PACK_TRUECOLOR( p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - XMesaSetForeground( dpy, gc, p ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - for (i=0;i<n;i++) { - unsigned long p; - PACK_TRUECOLOR( p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - XMesaPutPixel( rowimg, i, 0, p ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - -/* - * Write a span of PF_TRUEDITHER pixels to a pixmap. - */ -static void put_row_TRUEDITHER_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - unsigned long p; - PACK_TRUEDITHER(p, x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - XMesaSetForeground( dpy, gc, p ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - for (i=0;i<n;i++) { - unsigned long p; - PACK_TRUEDITHER(p, x+i, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - XMesaPutPixel( rowimg, i, 0, p ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_TRUEDITHER pixels to a pixmap (no alpha). - */ -static void put_row_rgb_TRUEDITHER_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - unsigned long p; - PACK_TRUEDITHER(p, x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); - XMesaSetForeground( dpy, gc, p ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - for (i=0;i<n;i++) { - unsigned long p; - PACK_TRUEDITHER(p, x+i, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); - XMesaPutPixel( rowimg, i, 0, p ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_8A8B8G8R pixels to a pixmap. - */ -static void put_row_8A8B8G8R_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - PACK_8A8B8G8R(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP]) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLuint *ptr4 = (GLuint *) rowimg->data; - for (i=0;i<n;i++) { - *ptr4++ = PACK_8A8B8G8R( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_8A8B8G8R pixels to a pixmap (no alpha). - */ -static void put_row_rgb_8A8B8G8R_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - PACK_8B8G8R(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLuint *ptr4 = (GLuint *) rowimg->data; - for (i=0;i<n;i++) { - *ptr4++ = PACK_8B8G8R(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - -/* - * Write a span of PF_8A8R8G8B pixels to a pixmap. - */ -static void put_row_8A8R8G8B_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - PACK_8A8R8G8B(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP]) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLuint *ptr4 = (GLuint *) rowimg->data; - for (i=0;i<n;i++) { - *ptr4++ = PACK_8A8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_8A8R8G8B pixels to a pixmap (no alpha). - */ -static void put_row_rgb_8A8R8G8B_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - PACK_8R8G8B(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLuint *ptr4 = (GLuint *) rowimg->data; - for (i=0;i<n;i++) { - *ptr4++ = PACK_8R8G8B(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - -/* - * Write a span of PF_8R8G8B pixels to a pixmap. - */ -static void put_row_8R8G8B_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, PACK_8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] )); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLuint *ptr4 = (GLuint *) rowimg->data; - for (i=0;i<n;i++) { - *ptr4++ = PACK_8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_8R8G8B24 pixels to a pixmap. - */ -static void put_row_8R8G8B24_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - y = YFLIP(xrb, y); - if (mask) { - register GLuint i; - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - PACK_8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] )); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLuint *ptr4 = (GLuint *) rowimg->data; - register GLuint pixel; - static const GLuint shift[4] = {0, 8, 16, 24}; - register GLuint i = 0; - int w = n; - while (w > 3) { - pixel = rgba[i][BCOMP] /* << shift[0]*/; - pixel |= rgba[i][GCOMP] << shift[1]; - pixel |= rgba[i++][RCOMP] << shift[2]; - pixel |= rgba[i][BCOMP] << shift[3]; - *ptr4++ = pixel; - - pixel = rgba[i][GCOMP] /* << shift[0]*/; - pixel |= rgba[i++][RCOMP] << shift[1]; - pixel |= rgba[i][BCOMP] << shift[2]; - pixel |= rgba[i][GCOMP] << shift[3]; - *ptr4++ = pixel; - - pixel = rgba[i++][RCOMP]/* << shift[0]*/; - pixel |= rgba[i][BCOMP] << shift[1]; - pixel |= rgba[i][GCOMP] << shift[2]; - pixel |= rgba[i++][RCOMP] << shift[3]; - *ptr4++ = pixel; - - w -= 4; - } - switch (w) { - case 3: - pixel = 0; - pixel |= rgba[i][BCOMP] /*<< shift[0]*/; - pixel |= rgba[i][GCOMP] << shift[1]; - pixel |= rgba[i++][RCOMP] << shift[2]; - pixel |= rgba[i][BCOMP] << shift[3]; - *ptr4++ = pixel; - pixel = 0; - pixel |= rgba[i][GCOMP] /*<< shift[0]*/; - pixel |= rgba[i++][RCOMP] << shift[1]; - pixel |= rgba[i][BCOMP] << shift[2]; - pixel |= rgba[i][GCOMP] << shift[3]; - *ptr4++ = pixel; - pixel = 0xffffff00 & *ptr4; - pixel |= rgba[i][RCOMP] /*<< shift[0]*/; - *ptr4 = pixel; - break; - case 2: - pixel = 0; - pixel |= rgba[i][BCOMP] /*<< shift[0]*/; - pixel |= rgba[i][GCOMP] << shift[1]; - pixel |= rgba[i++][RCOMP] << shift[2]; - pixel |= rgba[i][BCOMP] << shift[3]; - *ptr4++ = pixel; - pixel = 0xffff0000 & *ptr4; - pixel |= rgba[i][GCOMP] /*<< shift[0]*/; - pixel |= rgba[i][RCOMP] << shift[1]; - *ptr4 = pixel; - break; - case 1: - pixel = 0xff000000 & *ptr4; - pixel |= rgba[i][BCOMP] /*<< shift[0]*/; - pixel |= rgba[i][GCOMP] << shift[1]; - pixel |= rgba[i][RCOMP] << shift[2]; - *ptr4 = pixel; - break; - case 0: - break; - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_8R8G8B pixels to a pixmap (no alpha). - */ -static void put_row_rgb_8R8G8B_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, PACK_8R8G8B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] )); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLuint *ptr4 = (GLuint *) rowimg->data; - for (i=0;i<n;i++) { - *ptr4++ = PACK_8R8G8B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - -/* - * Write a span of PF_8R8G8B24 pixels to a pixmap (no alpha). - */ -static void put_row_rgb_8R8G8B24_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - y = YFLIP(xrb, y); - if (mask) { - register GLuint i; - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - PACK_8R8G8B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] )); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLuint *ptr4 = (GLuint *) rowimg->data; - register GLuint pixel; - static const GLuint shift[4] = {0, 8, 16, 24}; - unsigned w = n; - register GLuint i = 0; - while (w > 3) { - pixel = 0; - pixel |= rgb[i][BCOMP]/* << shift[0]*/; - pixel |= rgb[i][GCOMP] << shift[1]; - pixel |= rgb[i++][RCOMP] << shift[2]; - pixel |= rgb[i][BCOMP] <<shift[3]; - *ptr4++ = pixel; - - pixel = 0; - pixel |= rgb[i][GCOMP]/* << shift[0]*/; - pixel |= rgb[i++][RCOMP] << shift[1]; - pixel |= rgb[i][BCOMP] << shift[2]; - pixel |= rgb[i][GCOMP] << shift[3]; - *ptr4++ = pixel; - - pixel = 0; - pixel |= rgb[i++][RCOMP]/* << shift[0]*/; - pixel |= rgb[i][BCOMP] << shift[1]; - pixel |= rgb[i][GCOMP] << shift[2]; - pixel |= rgb[i++][RCOMP] << shift[3]; - *ptr4++ = pixel; - w -= 4; - } - switch (w) { - case 3: - pixel = 0; - pixel |= rgb[i][BCOMP]/* << shift[0]*/; - pixel |= rgb[i][GCOMP] << shift[1]; - pixel |= rgb[i++][RCOMP] << shift[2]; - pixel |= rgb[i][BCOMP] << shift[3]; - *ptr4++ = pixel; - pixel = 0; - pixel |= rgb[i][GCOMP]/* << shift[0]*/; - pixel |= rgb[i++][RCOMP] << shift[1]; - pixel |= rgb[i][BCOMP] << shift[2]; - pixel |= rgb[i][GCOMP] << shift[3]; - *ptr4++ = pixel; - pixel = *ptr4; - pixel &= 0xffffff00; - pixel |= rgb[i++][RCOMP]/* << shift[0]*/; - *ptr4++ = pixel; - break; - case 2: - pixel = 0; - pixel |= rgb[i][BCOMP]/* << shift[0]*/; - pixel |= rgb[i][GCOMP] << shift[1]; - pixel |= rgb[i++][RCOMP] << shift[2]; - pixel |= rgb[i][BCOMP] << shift[3]; - *ptr4++ = pixel; - pixel = *ptr4; - pixel &= 0xffff0000; - pixel |= rgb[i][GCOMP]/* << shift[0]*/; - pixel |= rgb[i++][RCOMP] << shift[1]; - *ptr4++ = pixel; - break; - case 1: - pixel = *ptr4; - pixel &= 0xff000000; - pixel |= rgb[i][BCOMP]/* << shift[0]*/; - pixel |= rgb[i][GCOMP] << shift[1]; - pixel |= rgb[i++][RCOMP] << shift[2]; - *ptr4++ = pixel; - break; - case 0: - break; - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_5R6G5B pixels to a pixmap. - */ -static void put_row_5R6G5B_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, PACK_5R6G5B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] )); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLushort *ptr2 = (GLushort *) rowimg->data; - for (i=0;i<n;i++) { - ptr2[i] = PACK_5R6G5B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_DITHER_5R6G5B pixels to a pixmap. - */ -static void put_row_DITHER_5R6G5B_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - unsigned long p; - PACK_TRUEDITHER(p, x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - XMesaSetForeground( dpy, gc, p ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLushort *ptr2 = (GLushort *) rowimg->data; - for (i=0;i<n;i++) { - PACK_TRUEDITHER( ptr2[i], x+i, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_5R6G5B pixels to a pixmap (no alpha). - */ -static void put_row_rgb_5R6G5B_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, PACK_5R6G5B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] )); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLushort *ptr2 = (GLushort *) rowimg->data; - for (i=0;i<n;i++) { - ptr2[i] = PACK_5R6G5B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_DITHER_5R6G5B pixels to a pixmap (no alpha). - */ -static void put_row_rgb_DITHER_5R6G5B_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - unsigned long p; - PACK_TRUEDITHER(p, x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); - XMesaSetForeground( dpy, gc, p ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLushort *ptr2 = (GLushort *) rowimg->data; - for (i=0;i<n;i++) { - PACK_TRUEDITHER( ptr2[i], x+i, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_DITHER pixels to a pixmap. - */ -static void put_row_DITHER_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - XDITHER_SETUP(y); - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, XDITHER(x, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - for (i=0;i<n;i++) { - XMesaPutPixel( rowimg, i, 0, XDITHER(x+i, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]) ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_DITHER pixels to a pixmap (no alpha). - */ -static void put_row_rgb_DITHER_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - XDITHER_SETUP(y); - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, XDITHER(x, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - for (i=0;i<n;i++) { - XMesaPutPixel( rowimg, i, 0, XDITHER(x+i, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_1BIT pixels to a pixmap. - */ -static void put_row_1BIT_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - SETUP_1BIT; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - DITHER_1BIT( x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - for (i=0;i<n;i++) { - XMesaPutPixel( rowimg, i, 0, - DITHER_1BIT( x+i, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_1BIT pixels to a pixmap (no alpha). - */ -static void put_row_rgb_1BIT_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - SETUP_1BIT; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - DITHER_1BIT(x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - /* draw all pixels */ - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - for (i=0;i<n;i++) { - XMesaPutPixel( rowimg, i, 0, - DITHER_1BIT(x+i, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_HPCR pixels to a pixmap. - */ -static void put_row_HPCR_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - DITHER_HPCR( x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLubyte *ptr = (GLubyte *) XMESA_BUFFER(ctx->DrawBuffer)->rowimage->data; - for (i=0;i<n;i++) { - ptr[i] = DITHER_HPCR( (x+i), y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_HPCR pixels to a pixmap (no alpha). - */ -static void put_row_rgb_HPCR_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - DITHER_HPCR(x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - register GLubyte *ptr = (GLubyte *) XMESA_BUFFER(ctx->DrawBuffer)->rowimage->data; - for (i=0;i<n;i++) { - ptr[i] = DITHER_HPCR( (x+i), y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - -/* - * Write a span of PF_LOOKUP pixels to a pixmap. - */ -static void put_row_LOOKUP_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - LOOKUP_SETUP; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - for (i=0;i<n;i++) { - XMesaPutPixel( rowimg, i, 0, LOOKUP(rgba[i][RCOMP],rgba[i][GCOMP],rgba[i][BCOMP]) ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_LOOKUP pixels to a pixmap (no alpha). - */ -static void put_row_rgb_LOOKUP_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - LOOKUP_SETUP; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, LOOKUP( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - for (i=0;i<n;i++) { - XMesaPutPixel( rowimg, i, 0, LOOKUP(rgb[i][RCOMP],rgb[i][GCOMP],rgb[i][BCOMP]) ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_GRAYSCALE pixels to a pixmap. - */ -static void put_row_GRAYSCALE_pixmap( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - for (i=0;i<n;i++) { - XMesaPutPixel( rowimg, i, 0, GRAY_RGB(rgba[i][RCOMP],rgba[i][GCOMP],rgba[i][BCOMP]) ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - - -/* - * Write a span of PF_GRAYSCALE pixels to a pixmap (no alpha). - */ -static void put_row_rgb_GRAYSCALE_pixmap( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, GRAY_RGB( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - XMesaImage *rowimg = XMESA_BUFFER(ctx->DrawBuffer)->rowimage; - for (i=0;i<n;i++) { - XMesaPutPixel( rowimg, i, 0, GRAY_RGB(rgb[i][RCOMP],rgb[i][GCOMP],rgb[i][BCOMP]) ); - } - XMesaPutImage( dpy, buffer, gc, rowimg, 0, 0, x, y, n, 1 ); - } -} - -/* - * Write a span of PF_TRUECOLOR pixels to an XImage. - */ -static void put_row_TRUECOLOR_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - unsigned long p; - PACK_TRUECOLOR( p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - XMesaPutPixel( img, x, y, p ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - unsigned long p; - PACK_TRUECOLOR( p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - XMesaPutPixel( img, x, y, p ); - } - } -} - - -/* - * Write a span of PF_TRUECOLOR pixels to an XImage (no alpha). - */ -static void put_row_rgb_TRUECOLOR_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - unsigned long p; - PACK_TRUECOLOR( p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - XMesaPutPixel( img, x, y, p ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - unsigned long p; - PACK_TRUECOLOR( p, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - XMesaPutPixel( img, x, y, p ); - } - } -} - - -/* - * Write a span of PF_TRUEDITHER pixels to an XImage. - */ -static void put_row_TRUEDITHER_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - unsigned long p; - PACK_TRUEDITHER(p, x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - XMesaPutPixel( img, x, y, p ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - unsigned long p; - PACK_TRUEDITHER(p, x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - XMesaPutPixel( img, x, y, p ); - } - } -} - - -/* - * Write a span of PF_TRUEDITHER pixels to an XImage (no alpha). - */ -static void put_row_rgb_TRUEDITHER_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - unsigned long p; - PACK_TRUEDITHER(p, x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); - XMesaPutPixel( img, x, y, p ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - unsigned long p; - PACK_TRUEDITHER(p, x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); - XMesaPutPixel( img, x, y, p ); - } - } -} - - -/* - * Write a span of PF_8A8B8G8R-format pixels to an ximage. - */ -static void put_row_8A8B8G8R_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLuint *ptr = PIXEL_ADDR4(xrb, x, y); - if (mask) { - for (i=0;i<n;i++) { - if (mask[i]) { - ptr[i] = PACK_8A8B8G8R( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++) { - ptr[i] = PACK_8A8B8G8R( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); - } - } -} - - -/* - * Write a span of PF_8A8B8G8R-format pixels to an ximage (no alpha). - */ -static void put_row_rgb_8A8B8G8R_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLuint *ptr = PIXEL_ADDR4(xrb, x, y); - if (mask) { - for (i=0;i<n;i++) { - if (mask[i]) { - ptr[i] = PACK_8A8B8G8R( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255 ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++) { - ptr[i] = PACK_8A8B8G8R( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255 ); - } - } -} - -/* - * Write a span of PF_8A8R8G8B-format pixels to an ximage. - */ -static void put_row_8A8R8G8B_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLuint *ptr = PIXEL_ADDR4(xrb, x, y); - if (mask) { - for (i=0;i<n;i++) { - if (mask[i]) { - ptr[i] = PACK_8A8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++) { - ptr[i] = PACK_8A8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); - } - } -} - - -/* - * Write a span of PF_8A8R8G8B-format pixels to an ximage (no alpha). - */ -static void put_row_rgb_8A8R8G8B_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLuint *ptr = PIXEL_ADDR4(xrb, x, y); - if (mask) { - for (i=0;i<n;i++) { - if (mask[i]) { - ptr[i] = PACK_8A8R8G8B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255 ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++) { - ptr[i] = PACK_8A8R8G8B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP], 255 ); - } - } -} - - -/* - * Write a span of PF_8R8G8B-format pixels to an ximage. - */ -static void put_row_8R8G8B_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLuint *ptr = PIXEL_ADDR4(xrb, x, y); - if (mask) { - for (i=0;i<n;i++) { - if (mask[i]) { - ptr[i] = PACK_8R8G8B(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - } - } - } - else { - for (i=0;i<n;i++) { - ptr[i] = PACK_8R8G8B(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - } - } -} - - -/* - * Write a span of PF_8R8G8B24-format pixels to an ximage. - */ -static void put_row_8R8G8B24_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLubyte *ptr = (GLubyte *) PIXEL_ADDR3(xrb, x, y ); - if (mask) { - for (i=0;i<n;i++) { - if (mask[i]) { - GLuint *ptr4 = (GLuint *) ptr; - register GLuint pixel = *ptr4; - switch (3 & (int)(ptr - (GLubyte*)ptr4)) { - case 0: - pixel &= 0xff000000; - pixel |= rgba[i][BCOMP]; - pixel |= rgba[i][GCOMP] << 8; - pixel |= rgba[i][RCOMP] << 16; - *ptr4 = pixel; - break; - case 3: - pixel &= 0x00ffffff; - pixel |= rgba[i][BCOMP] << 24; - *ptr4++ = pixel; - pixel = *ptr4 && 0xffff0000; - pixel |= rgba[i][GCOMP]; - pixel |= rgba[i][RCOMP] << 8; - *ptr4 = pixel; - break; - case 2: - pixel &= 0x0000ffff; - pixel |= rgba[i][BCOMP] << 16; - pixel |= rgba[i][GCOMP] << 24; - *ptr4++ = pixel; - pixel = *ptr4 && 0xffffff00; - pixel |= rgba[i][RCOMP]; - *ptr4 = pixel; - break; - case 1: - pixel &= 0x000000ff; - pixel |= rgba[i][BCOMP] << 8; - pixel |= rgba[i][GCOMP] << 16; - pixel |= rgba[i][RCOMP] << 24; - *ptr4 = pixel; - break; - } - } - ptr += 3; - } - } - else { - /* write all pixels */ - int w = n; - GLuint *ptr4 = (GLuint *) ptr; - register GLuint pixel = *ptr4; - int index = (int)(ptr - (GLubyte *)ptr4); - register GLuint i = 0; - switch (index) { - case 0: - break; - case 1: - pixel &= 0x00ffffff; - pixel |= rgba[i][BCOMP] << 24; - *ptr4++ = pixel; - pixel = *ptr4 && 0xffff0000; - pixel |= rgba[i][GCOMP]; - pixel |= rgba[i++][RCOMP] << 8; - *ptr4 = pixel; - if (0 == --w) - break; - case 2: - pixel &= 0x0000ffff; - pixel |= rgba[i][BCOMP] << 16; - pixel |= rgba[i][GCOMP] << 24; - *ptr4++ = pixel; - pixel = *ptr4 && 0xffffff00; - pixel |= rgba[i++][RCOMP]; - *ptr4 = pixel; - if (0 == --w) - break; - case 3: - pixel &= 0x000000ff; - pixel |= rgba[i][BCOMP] << 8; - pixel |= rgba[i][GCOMP] << 16; - pixel |= rgba[i++][RCOMP] << 24; - *ptr4++ = pixel; - if (0 == --w) - break; - break; - } - while (w > 3) { - pixel = rgba[i][BCOMP]; - pixel |= rgba[i][GCOMP] << 8; - pixel |= rgba[i++][RCOMP] << 16; - pixel |= rgba[i][BCOMP] << 24; - *ptr4++ = pixel; - pixel = rgba[i][GCOMP]; - pixel |= rgba[i++][RCOMP] << 8; - pixel |= rgba[i][BCOMP] << 16; - pixel |= rgba[i][GCOMP] << 24; - *ptr4++ = pixel; - pixel = rgba[i++][RCOMP]; - pixel |= rgba[i][BCOMP] << 8; - pixel |= rgba[i][GCOMP] << 16; - pixel |= rgba[i++][RCOMP] << 24; - *ptr4++ = pixel; - w -= 4; - } - switch (w) { - case 0: - break; - case 1: - pixel = *ptr4 & 0xff000000; - pixel |= rgba[i][BCOMP]; - pixel |= rgba[i][GCOMP] << 8; - pixel |= rgba[i][RCOMP] << 16; - *ptr4 = pixel; - break; - case 2: - pixel = rgba[i][BCOMP]; - pixel |= rgba[i][GCOMP] << 8; - pixel |= rgba[i++][RCOMP] << 16; - pixel |= rgba[i][BCOMP] << 24; - *ptr4++ = pixel; - pixel = *ptr4 & 0xffff0000; - pixel |= rgba[i][GCOMP]; - pixel |= rgba[i][RCOMP] << 8; - *ptr4 = pixel; - break; - case 3: - pixel = rgba[i][BCOMP]; - pixel |= rgba[i][GCOMP] << 8; - pixel |= rgba[i++][RCOMP] << 16; - pixel |= rgba[i][BCOMP] << 24; - *ptr4++ = pixel; - pixel = rgba[i][GCOMP]; - pixel |= rgba[i++][RCOMP] << 8; - pixel |= rgba[i][BCOMP] << 16; - pixel |= rgba[i][GCOMP] << 24; - *ptr4++ = pixel; - pixel = *ptr4 & 0xffffff00; - pixel |= rgba[i][RCOMP]; - *ptr4 = pixel; - break; - } - } -} - - -/* - * Write a span of PF_8R8G8B-format pixels to an ximage (no alpha). - */ -static void put_row_rgb_8R8G8B_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLuint *ptr = PIXEL_ADDR4(xrb, x, y); - if (mask) { - for (i=0;i<n;i++) { - if (mask[i]) { - ptr[i] = PACK_8R8G8B(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++) { - ptr[i] = PACK_8R8G8B(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); - } - } -} - - -/* - * Write a span of PF_8R8G8B24-format pixels to an ximage (no alpha). - */ -static void put_row_rgb_8R8G8B24_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLubyte *ptr = (GLubyte *) PIXEL_ADDR3(xrb, x, y); - if (mask) { - for (i=0;i<n;i++) { - if (mask[i]) { - *ptr++ = rgb[i][BCOMP]; - *ptr++ = rgb[i][GCOMP]; - *ptr++ = rgb[i][RCOMP]; - } - else { - ptr += 3; - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++) { - *ptr++ = rgb[i][BCOMP]; - *ptr++ = rgb[i][GCOMP]; - *ptr++ = rgb[i][RCOMP]; - } - } -} - - -/* - * Write a span of PF_5R6G5B-format pixels to an ximage. - */ -static void put_row_5R6G5B_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLushort *ptr = PIXEL_ADDR2(xrb, x, y); - if (mask) { - for (i=0;i<n;i++) { - if (mask[i]) { - ptr[i] = PACK_5R6G5B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } - } - else { - /* draw all pixels */ -#if defined(__i386__) /* word stores don't have to be on 4-byte boundaries */ - GLuint *ptr32 = (GLuint *) ptr; - GLuint extraPixel = (n & 1); - n -= extraPixel; - for (i = 0; i < n; i += 2) { - GLuint p0, p1; - p0 = PACK_5R6G5B(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - p1 = PACK_5R6G5B(rgba[i+1][RCOMP], rgba[i+1][GCOMP], rgba[i+1][BCOMP]); - *ptr32++ = (p1 << 16) | p0; - } - if (extraPixel) { - ptr[n] = PACK_5R6G5B(rgba[n][RCOMP], rgba[n][GCOMP], rgba[n][BCOMP]); - } -#else - for (i = 0; i < n; i++) { - ptr[i] = PACK_5R6G5B(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - } -#endif - } -} - - -/* - * Write a span of PF_DITHER_5R6G5B-format pixels to an ximage. - */ -static void put_row_DITHER_5R6G5B_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - register GLuint i; - register GLushort *ptr = PIXEL_ADDR2(xrb, x, y); - const GLint y2 = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - PACK_TRUEDITHER( ptr[i], x, y2, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } - } - else { - /* draw all pixels */ -#if defined(__i386__) /* word stores don't have to be on 4-byte boundaries */ - GLuint *ptr32 = (GLuint *) ptr; - GLuint extraPixel = (n & 1); - n -= extraPixel; - for (i = 0; i < n; i += 2, x += 2) { - GLuint p0, p1; - PACK_TRUEDITHER( p0, x, y2, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - PACK_TRUEDITHER( p1, x+1, y2, rgba[i+1][RCOMP], rgba[i+1][GCOMP], rgba[i+1][BCOMP] ); - *ptr32++ = (p1 << 16) | p0; - } - if (extraPixel) { - PACK_TRUEDITHER( ptr[n], x+n, y2, rgba[n][RCOMP], rgba[n][GCOMP], rgba[n][BCOMP]); - } -#else - for (i = 0; i < n; i++, x++) { - PACK_TRUEDITHER( ptr[i], x, y2, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - } -#endif - } -} - - -/* - * Write a span of PF_5R6G5B-format pixels to an ximage (no alpha). - */ -static void put_row_rgb_5R6G5B_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLushort *ptr = PIXEL_ADDR2(xrb, x, y); - if (mask) { - for (i=0;i<n;i++) { - if (mask[i]) { - ptr[i] = PACK_5R6G5B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } - } - } - else { - /* draw all pixels */ -#if defined(__i386__) /* word stores don't have to be on 4-byte boundaries */ - GLuint *ptr32 = (GLuint *) ptr; - GLuint extraPixel = (n & 1); - n -= extraPixel; - for (i = 0; i < n; i += 2) { - GLuint p0, p1; - p0 = PACK_5R6G5B(rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]); - p1 = PACK_5R6G5B(rgb[i+1][RCOMP], rgb[i+1][GCOMP], rgb[i+1][BCOMP]); - *ptr32++ = (p1 << 16) | p0; - } - if (extraPixel) { - ptr[n] = PACK_5R6G5B(rgb[n][RCOMP], rgb[n][GCOMP], rgb[n][BCOMP]); - } -#else - for (i=0;i<n;i++) { - ptr[i] = PACK_5R6G5B( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } -#endif - } -} - - -/* - * Write a span of PF_DITHER_5R6G5B-format pixels to an ximage (no alpha). - */ -static void put_row_rgb_DITHER_5R6G5B_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - register GLuint i; - register GLushort *ptr = PIXEL_ADDR2(xrb, x, y ); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - PACK_TRUEDITHER( ptr[i], x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } - } - } - else { - /* draw all pixels */ -#if defined(__i386__) /* word stores don't have to be on 4-byte boundaries */ - GLuint *ptr32 = (GLuint *) ptr; - GLuint extraPixel = (n & 1); - n -= extraPixel; - for (i = 0; i < n; i += 2, x += 2) { - GLuint p0, p1; - PACK_TRUEDITHER( p0, x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - PACK_TRUEDITHER( p1, x+1, y, rgb[i+1][RCOMP], rgb[i+1][GCOMP], rgb[i+1][BCOMP] ); - *ptr32++ = (p1 << 16) | p0; - } - if (extraPixel) { - PACK_TRUEDITHER( ptr[n], x+n, y, rgb[n][RCOMP], rgb[n][GCOMP], rgb[n][BCOMP]); - } -#else - for (i=0;i<n;i++,x++) { - PACK_TRUEDITHER( ptr[i], x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } -#endif - } -} - - -/* - * Write a span of PF_DITHER pixels to an XImage. - */ -static void put_row_DITHER_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - int yy = YFLIP(xrb, y); - XDITHER_SETUP(yy); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaPutPixel( img, x, yy, XDITHER( x, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - XMesaPutPixel( img, x, yy, XDITHER( x, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - } - } -} - - -/* - * Write a span of PF_DITHER pixels to an XImage (no alpha). - */ -static void put_row_rgb_DITHER_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - int yy = YFLIP(xrb, y); - XDITHER_SETUP(yy); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaPutPixel( img, x, yy, XDITHER( x, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - XMesaPutPixel( img, x, yy, XDITHER( x, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); - } - } -} - - - -/* - * Write a span of 8-bit PF_DITHER pixels to an XImage. - */ -static void put_row_DITHER8_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); - XDITHER_SETUP(y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - ptr[i] = (GLubyte) XDITHER( x, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } - } - else { - for (i=0;i<n;i++,x++) { - ptr[i] = (GLubyte) XDITHER( x, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } -} - - -static void put_row_rgb_DITHER8_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); - XDITHER_SETUP(y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - ptr[i] = (GLubyte) XDITHER( x, rgb[i][0], rgb[i][1], rgb[i][2] ); - } - } - } - else { - const GLubyte *data = (GLubyte *) rgb; - for (i=0;i<n;i++,x++) { - /*ptr[i] = XDITHER( x, rgb[i][0], rgb[i][1], rgb[i][2] );*/ - ptr[i] = (GLubyte) XDITHER( x, data[i+i+i], data[i+i+i+1], data[i+i+i+2] ); - } - } -} - - - -/* - * Write a span of PF_1BIT pixels to an XImage. - */ -static void put_row_1BIT_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - SETUP_1BIT; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaPutPixel(img, x, y, DITHER_1BIT(x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP])); - } - } - } - else { - for (i=0;i<n;i++,x++) { - XMesaPutPixel( img, x, y, DITHER_1BIT(x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]) ); - } - } -} - - -/* - * Write a span of PF_1BIT pixels to an XImage (no alpha). - */ -static void put_row_rgb_1BIT_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - SETUP_1BIT; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaPutPixel(img, x, y, DITHER_1BIT(x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP])); - } - } - } - else { - for (i=0;i<n;i++,x++) { - XMesaPutPixel( img, x, y, DITHER_1BIT(x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP]) ); - } - } -} - - -/* - * Write a span of PF_HPCR pixels to an XImage. - */ -static void put_row_HPCR_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - register GLuint i; - register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - ptr[i] = DITHER_HPCR( x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - ptr[i] = DITHER_HPCR( x, y, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } -} - - -/* - * Write a span of PF_HPCR pixels to an XImage (no alpha). - */ -static void put_row_rgb_HPCR_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - register GLuint i; - register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - ptr[i] = DITHER_HPCR( x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - ptr[i] = DITHER_HPCR( x, y, rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } - } -} - - -/* - * Write a span of PF_LOOKUP pixels to an XImage. - */ -static void put_row_LOOKUP_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - LOOKUP_SETUP; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaPutPixel( img, x, y, LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - XMesaPutPixel( img, x, y, LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - } - } -} - - -/* - * Write a span of PF_LOOKUP pixels to an XImage (no alpha). - */ -static void put_row_rgb_LOOKUP_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - LOOKUP_SETUP; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaPutPixel( img, x, y, LOOKUP( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - XMesaPutPixel( img, x, y, LOOKUP( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); - } - } -} - - -/* - * Write a span of 8-bit PF_LOOKUP pixels to an XImage. - */ -static void put_row_LOOKUP8_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); - LOOKUP_SETUP; - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - ptr[i] = (GLubyte) LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - ptr[i] = (GLubyte) LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } -} - - -static void put_row_rgb_LOOKUP8_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); - LOOKUP_SETUP; - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - ptr[i] = (GLubyte) LOOKUP( rgb[i][0], rgb[i][1], rgb[i][2] ); - } - } - } - else { - /* draw all pixels */ - const GLubyte *data = (GLubyte *) rgb; - for (i=0;i<n;i++,x++) { - /*ptr[i] = LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] );*/ - ptr[i] = (GLubyte) LOOKUP( data[i+i+i], data[i+i+i+1], data[i+i+i+2] ); - } - } -} - - -/* - * Write a span of PF_GRAYSCALE pixels to an XImage. - */ -static void put_row_GRAYSCALE_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaPutPixel( img, x, y, GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - XMesaPutPixel( img, x, y, GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - } - } -} - - -/* - * Write a span of PF_GRAYSCALE pixels to an XImage (no alpha). - */ -static void put_row_rgb_GRAYSCALE_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaPutPixel( img, x, y, GRAY_RGB( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++,x++) { - XMesaPutPixel( img, x, y, GRAY_RGB( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ) ); - } - } -} - - -/* - * Write a span of 8-bit PF_GRAYSCALE pixels to an XImage. - */ -static void put_row_GRAYSCALE8_ximage( PUT_ROW_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); - if (mask) { - for (i=0;i<n;i++) { - if (mask[i]) { - ptr[i] = (GLubyte) GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++) { - ptr[i] = (GLubyte) GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } -} - - -/* - * Write a span of 8-bit PF_GRAYSCALE pixels to an XImage (no alpha). - */ -static void put_row_rgb_GRAYSCALE8_ximage( RGB_SPAN_ARGS ) -{ - const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); - if (mask) { - for (i=0;i<n;i++) { - if (mask[i]) { - ptr[i] = (GLubyte) GRAY_RGB( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } - } - } - else { - /* draw all pixels */ - for (i=0;i<n;i++) { - ptr[i] = (GLubyte) GRAY_RGB( rgb[i][RCOMP], rgb[i][GCOMP], rgb[i][BCOMP] ); - } - } -} - - - - -/**********************************************************************/ -/*** Write COLOR PIXEL functions ***/ -/**********************************************************************/ - - -#define PUT_VALUES_ARGS \ - GLcontext *ctx, struct gl_renderbuffer *rb, \ - GLuint n, const GLint x[], const GLint y[], \ - const void *values, const GLubyte mask[] - - -/* - * Write an array of PF_TRUECOLOR pixels to a pixmap. - */ -static void put_values_TRUECOLOR_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - unsigned long p; - PACK_TRUECOLOR( p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - XMesaSetForeground( dpy, gc, p ); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_TRUEDITHER pixels to a pixmap. - */ -static void put_values_TRUEDITHER_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - unsigned long p; - PACK_TRUEDITHER(p, x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - XMesaSetForeground( dpy, gc, p ); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_8A8B8G8R pixels to a pixmap. - */ -static void put_values_8A8B8G8R_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - PACK_8A8B8G8R( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] )); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - -/* - * Write an array of PF_8A8R8G8B pixels to a pixmap. - */ -static void put_values_8A8R8G8B_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - PACK_8A8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] )); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - -/* - * Write an array of PF_8R8G8B pixels to a pixmap. - */ -static void put_values_8R8G8B_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, PACK_8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_8R8G8B24 pixels to a pixmap. - */ -static void put_values_8R8G8B24_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, PACK_8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_5R6G5B pixels to a pixmap. - */ -static void put_values_5R6G5B_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, PACK_5R6G5B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_DITHER_5R6G5B pixels to a pixmap. - */ -static void put_values_DITHER_5R6G5B_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - unsigned long p; - PACK_TRUEDITHER(p, x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - XMesaSetForeground( dpy, gc, p ); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_DITHER pixels to a pixmap. - */ -static void put_values_DITHER_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - DITHER_SETUP; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - DITHER(x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_1BIT pixels to a pixmap. - */ -static void put_values_1BIT_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - SETUP_1BIT; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - DITHER_1BIT( x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] )); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_HPCR pixels to a pixmap. - */ -static void put_values_HPCR_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, - DITHER_HPCR( x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] )); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_LOOKUP pixels to a pixmap. - */ -static void put_values_LOOKUP_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - LOOKUP_SETUP; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_GRAYSCALE pixels to a pixmap. - */ -static void put_values_GRAYSCALE_pixmap( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_TRUECOLOR pixels to an ximage. - */ -static void put_values_TRUECOLOR_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - unsigned long p; - PACK_TRUECOLOR( p, rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), p ); - } - } -} - - -/* - * Write an array of PF_TRUEDITHER pixels to an XImage. - */ -static void put_values_TRUEDITHER_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - unsigned long p; - PACK_TRUEDITHER(p, x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]); - XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), p ); - } - } -} - - -/* - * Write an array of PF_8A8B8G8R pixels to an ximage. - */ -static void put_values_8A8B8G8R_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - GLuint *ptr = PIXEL_ADDR4(xrb, x[i], y[i] ); - *ptr = PACK_8A8B8G8R( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); - } - } -} - -/* - * Write an array of PF_8A8R8G8B pixels to an ximage. - */ -static void put_values_8A8R8G8B_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - GLuint *ptr = PIXEL_ADDR4(xrb, x[i], y[i]); - *ptr = PACK_8A8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP], rgba[i][ACOMP] ); - } - } -} - - -/* - * Write an array of PF_8R8G8B pixels to an ximage. - */ -static void put_values_8R8G8B_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - GLuint *ptr = PIXEL_ADDR4(xrb, x[i], y[i]); - *ptr = PACK_8R8G8B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } -} - - -/* - * Write an array of PF_8R8G8B24 pixels to an ximage. - */ -static void put_values_8R8G8B24_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - bgr_t *ptr = PIXEL_ADDR3(xrb, x[i], y[i] ); - ptr->r = rgba[i][RCOMP]; - ptr->g = rgba[i][GCOMP]; - ptr->b = rgba[i][BCOMP]; - } - } -} - - -/* - * Write an array of PF_5R6G5B pixels to an ximage. - */ -static void put_values_5R6G5B_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - GLushort *ptr = PIXEL_ADDR2(xrb, x[i], y[i] ); - *ptr = PACK_5R6G5B( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } -} - - -/* - * Write an array of PF_DITHER_5R6G5B pixels to an ximage. - */ -static void put_values_DITHER_5R6G5B_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - GLushort *ptr = PIXEL_ADDR2(xrb, x[i], y[i] ); - PACK_TRUEDITHER( *ptr, x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } -} - - -/* - * Write an array of PF_DITHER pixels to an XImage. - */ -static void put_values_DITHER_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - DITHER_SETUP; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), - DITHER( x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - } - } -} - - -/* - * Write an array of 8-bit PF_DITHER pixels to an XImage. - */ -static void put_values_DITHER8_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - DITHER_SETUP; - for (i=0;i<n;i++) { - if (mask[i]) { - GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); - *ptr = (GLubyte) DITHER( x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } -} - - -/* - * Write an array of PF_1BIT pixels to an XImage. - */ -static void put_values_1BIT_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - SETUP_1BIT; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), - DITHER_1BIT( x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] )); - } - } -} - - -/* - * Write an array of PF_HPCR pixels to an XImage. - */ -static void put_values_HPCR_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); - *ptr = (GLubyte) DITHER_HPCR( x[i], y[i], rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } -} - - -/* - * Write an array of PF_LOOKUP pixels to an XImage. - */ -static void put_values_LOOKUP_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - LOOKUP_SETUP; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), LOOKUP(rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP]) ); - } - } -} - - -/* - * Write an array of 8-bit PF_LOOKUP pixels to an XImage. - */ -static void put_values_LOOKUP8_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - LOOKUP_SETUP; - for (i=0;i<n;i++) { - if (mask[i]) { - GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); - *ptr = (GLubyte) LOOKUP( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } -} - - -/* - * Write an array of PF_GRAYSCALE pixels to an XImage. - */ -static void put_values_GRAYSCALE_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), - GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ) ); - } - } -} - - -/* - * Write an array of 8-bit PF_GRAYSCALE pixels to an XImage. - */ -static void put_values_GRAYSCALE8_ximage( PUT_VALUES_ARGS ) -{ - const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i] ); - *ptr = (GLubyte) GRAY_RGB( rgba[i][RCOMP], rgba[i][GCOMP], rgba[i][BCOMP] ); - } - } -} - - - - -/**********************************************************************/ -/*** Write MONO COLOR SPAN functions ***/ -/**********************************************************************/ - -#define PUT_MONO_ROW_ARGS \ - GLcontext *ctx, struct gl_renderbuffer *rb, \ - GLuint n, GLint x, GLint y, const void *value, \ - const GLubyte mask[] - - - -/* - * Write a span of identical pixels to a pixmap. - */ -static void put_mono_row_pixmap( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaContext xmesa = XMESA_CONTEXT(ctx); - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - const unsigned long pixel = xmesa_color_to_pixel(ctx, color[RCOMP], - color[GCOMP], color[BCOMP], color[ACOMP], xmesa->pixelformat); - register GLuint i; - XMesaSetForeground( xmesa->display, gc, pixel ); - y = YFLIP(xrb, y); - - /* New code contributed by Jeff Epler and cleaned up by Keith - * Whitwell. - */ - for (i = 0; i < n; ) { - GLuint start = i; - - /* Identify and emit contiguous rendered pixels - */ - while (i < n && (!mask || mask[i])) - i++; - - if (start < i) - XMesaFillRectangle( dpy, buffer, gc, - (int)(x+start), (int) y, - (int)(i-start), 1); - - /* Eat up non-rendered pixels - */ - while (i < n && !mask[i]) - i++; - } -} - - - -static void -put_mono_row_ci_pixmap( PUT_MONO_ROW_ARGS ) -{ - GLuint colorIndex = *((GLuint *) value); - XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - XMesaSetForeground( xmesa->display, gc, colorIndex ); - y = YFLIP(xrb, y); - - for (i = 0 ; i < n ;) { - GLuint start = i; - - /* Identify and emit contiguous rendered pixels - */ - while (i < n && (!mask || mask[i])) - i++; - - if (start < i) - XMesaFillRectangle( dpy, buffer, gc, - (int)(x+start), (int) y, - (int)(i-start), 1); - - /* Eat up non-rendered pixels - */ - while (i < n && !mask[i]) - i++; - } -} - - - -/* - * Write a span of PF_TRUEDITHER pixels to a pixmap. - */ -static void put_mono_row_TRUEDITHER_pixmap( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaContext xmesa = XMESA_CONTEXT(ctx); - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - register GLuint i; - int yy = YFLIP(xrb, y); - for (i=0;i<n;i++,x++) { - if (!mask || mask[i]) { - unsigned long p; - PACK_TRUEDITHER(p, x, yy, r, g, b); - XMesaSetForeground( dpy, gc, p ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) yy ); - } - } -} - - -/* - * Write a span of PF_DITHER pixels to a pixmap. - */ -static void put_mono_row_DITHER_pixmap( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaContext xmesa = XMESA_CONTEXT(ctx); - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - register GLuint i; - int yy = YFLIP(xrb, y); - XDITHER_SETUP(yy); - for (i=0;i<n;i++,x++) { - if (!mask || mask[i]) { - XMesaSetForeground( dpy, gc, XDITHER( x, r, g, b ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) yy ); - } - } -} - - -/* - * Write a span of PF_1BIT pixels to a pixmap. - */ -static void put_mono_row_1BIT_pixmap( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaContext xmesa = XMESA_CONTEXT(ctx); - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - register GLuint i; - SETUP_1BIT; - y = YFLIP(xrb, y); - for (i=0;i<n;i++,x++) { - if (!mask || mask[i]) { - XMesaSetForeground( dpy, gc, DITHER_1BIT( x, y, r, g, b ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } -} - - -/* - * Write a span of identical pixels to an XImage. - */ -static void put_mono_row_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaContext xmesa = XMESA_CONTEXT(ctx); - XMesaImage *img = xrb->ximage; - register GLuint i; - const unsigned long pixel = xmesa_color_to_pixel(ctx, color[RCOMP], - color[GCOMP], color[BCOMP], color[ACOMP], xmesa->pixelformat); - y = YFLIP(xrb, y); - for (i=0;i<n;i++,x++) { - if (!mask || mask[i]) { - XMesaPutPixel( img, x, y, pixel ); - } - } -} - - -static void -put_mono_row_ci_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLuint colorIndex = *((GLuint *) value); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - y = YFLIP(xrb, y); - for (i=0;i<n;i++,x++) { - if (!mask || mask[i]) { - XMesaPutPixel( img, x, y, colorIndex ); - } - } -} - - -/* - * Write a span of identical PF_TRUEDITHER pixels to an XImage. - */ -static void put_mono_row_TRUEDITHER_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaContext xmesa = XMESA_CONTEXT(ctx); - XMesaImage *img = xrb->ximage; - const GLint r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - GLuint i; - y = YFLIP(xrb, y); - for (i=0;i<n;i++) { - if (!mask || mask[i]) { - unsigned long p; - PACK_TRUEDITHER( p, x+i, y, r, g, b); - XMesaPutPixel( img, x+i, y, p ); - } - } -} - - -/* - * Write a span of identical 8A8B8G8R pixels to an XImage. - */ -static void put_mono_row_8A8B8G8R_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaContext xmesa = XMESA_CONTEXT(ctx); - GLuint i, *ptr; - const unsigned long pixel = xmesa_color_to_pixel(ctx, color[RCOMP], - color[GCOMP], color[BCOMP], color[ACOMP], xmesa->pixelformat); - ptr = PIXEL_ADDR4(xrb, x, y ); - for (i=0;i<n;i++) { - if (!mask || mask[i]) { - ptr[i] = pixel; - } - } -} - -/* - * Write a span of identical 8A8R8G8B pixels to an XImage. - */ -static void put_mono_row_8A8R8G8B_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - GLuint i, *ptr; - XMesaContext xmesa = XMESA_CONTEXT(ctx); - const unsigned long pixel = xmesa_color_to_pixel(ctx, color[RCOMP], - color[GCOMP], color[BCOMP], color[ACOMP], xmesa->pixelformat); - ptr = PIXEL_ADDR4(xrb, x, y ); - for (i=0;i<n;i++) { - if (!mask || mask[i]) { - ptr[i] = pixel; - } - } -} - - -/* - * Write a span of identical 8R8G8B pixels to an XImage. - */ -static void put_mono_row_8R8G8B_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const GLuint pixel = PACK_8R8G8B(color[RCOMP], color[GCOMP], color[BCOMP]); - GLuint *ptr = PIXEL_ADDR4(xrb, x, y ); - GLuint i; - for (i=0;i<n;i++) { - if (!mask || mask[i]) { - ptr[i] = pixel; - } - } -} - - -/* - * Write a span of identical 8R8G8B pixels to an XImage. - */ -static void put_mono_row_8R8G8B24_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const GLubyte r = color[RCOMP]; - const GLubyte g = color[GCOMP]; - const GLubyte b = color[BCOMP]; - GLuint i; - bgr_t *ptr = PIXEL_ADDR3(xrb, x, y ); - for (i=0;i<n;i++) { - if (!mask || mask[i]) { - ptr[i].r = r; - ptr[i].g = g; - ptr[i].b = b; - } - } -} - - -/* - * Write a span of identical DITHER pixels to an XImage. - */ -static void put_mono_row_DITHER_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - XMesaImage *img = xrb->ximage; - int yy = YFLIP(xrb, y); - register GLuint i; - XDITHER_SETUP(yy); - for (i=0;i<n;i++,x++) { - if (!mask || mask[i]) { - XMesaPutPixel( img, x, yy, XDITHER( x, r, g, b ) ); - } - } -} - - -/* - * Write a span of identical 8-bit DITHER pixels to an XImage. - */ -static void put_mono_row_DITHER8_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); - register GLuint i; - XDITHER_SETUP(y); - for (i=0;i<n;i++,x++) { - if (!mask || mask[i]) { - ptr[i] = (GLubyte) XDITHER( x, r, g, b ); - } - } -} - - -/* - * Write a span of identical 8-bit LOOKUP pixels to an XImage. - */ -static void put_mono_row_LOOKUP8_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); - GLubyte pixel; - LOOKUP_SETUP; - pixel = LOOKUP(color[RCOMP], color[GCOMP], color[BCOMP]); - for (i=0;i<n;i++) { - if (!mask || mask[i]) { - ptr[i] = pixel; - } - } -} - - -/* - * Write a span of identical PF_1BIT pixels to an XImage. - */ -static void put_mono_row_1BIT_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - XMesaImage *img = xrb->ximage; - register GLuint i; - SETUP_1BIT; - y = YFLIP(xrb, y); - for (i=0;i<n;i++,x++) { - if (!mask || mask[i]) { - XMesaPutPixel( img, x, y, DITHER_1BIT( x, y, r, g, b ) ); - } - } -} - - -/* - * Write a span of identical HPCR pixels to an XImage. - */ -static void put_mono_row_HPCR_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - register GLubyte *ptr = PIXEL_ADDR1(xrb, x, y); - register GLuint i; - for (i=0;i<n;i++,x++) { - if (!mask || mask[i]) { - ptr[i] = DITHER_HPCR( x, y, r, g, b ); - } - } -} - - -/* - * Write a span of identical 8-bit GRAYSCALE pixels to an XImage. - */ -static void put_mono_row_GRAYSCALE8_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const GLubyte p = GRAY_RGB(color[RCOMP], color[GCOMP], color[BCOMP]); - GLubyte *ptr = (GLubyte *) PIXEL_ADDR1(xrb, x, y); - GLuint i; - for (i=0;i<n;i++) { - if (!mask || mask[i]) { - ptr[i] = p; - } - } -} - - - -/* - * Write a span of identical PF_DITHER_5R6G5B pixels to an XImage. - */ -static void put_mono_row_DITHER_5R6G5B_ximage( PUT_MONO_ROW_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - register GLushort *ptr = PIXEL_ADDR2(xrb, x, y ); - const GLint r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - GLuint i; - y = YFLIP(xrb, y); - for (i=0;i<n;i++) { - if (!mask || mask[i]) { - PACK_TRUEDITHER(ptr[i], x+i, y, r, g, b); - } - } -} - - - -/**********************************************************************/ -/*** Write MONO COLOR PIXELS functions ***/ -/**********************************************************************/ - -#define PUT_MONO_VALUES_ARGS \ - GLcontext *ctx, struct gl_renderbuffer *rb, \ - GLuint n, const GLint x[], const GLint y[], \ - const void *value, const GLubyte mask[] - - - -/* - * Write an array of identical pixels to a pixmap. - */ -static void put_mono_values_pixmap( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - const unsigned long pixel = xmesa_color_to_pixel(ctx, color[RCOMP], - color[GCOMP], color[BCOMP], color[ACOMP], xmesa->pixelformat); - XMesaSetForeground( xmesa->display, gc, pixel ); - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaDrawPoint( dpy, buffer, gc, - (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -static void -put_mono_values_ci_pixmap( PUT_MONO_VALUES_ARGS ) -{ - const GLuint colorIndex = *((GLuint *) value); - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - XMesaSetForeground( xmesa->display, gc, colorIndex ); - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaDrawPoint( dpy, buffer, gc, - (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_TRUEDITHER pixels to a pixmap. - */ -static void put_mono_values_TRUEDITHER_pixmap( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - for (i=0;i<n;i++) { - if (mask[i]) { - unsigned long p; - PACK_TRUEDITHER(p, x[i], y[i], r, g, b); - XMesaSetForeground( dpy, gc, p ); - XMesaDrawPoint( dpy, buffer, gc, - (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_DITHER pixels to a pixmap. - */ -static void put_mono_values_DITHER_pixmap( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - DITHER_SETUP; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, DITHER( x[i], y[i], r, g, b ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of PF_1BIT pixels to a pixmap. - */ -static void put_mono_values_1BIT_pixmap( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - SETUP_1BIT; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, DITHER_1BIT( x[i], y[i], r, g, b ) ); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of identical pixels to an XImage. - */ -static void put_mono_values_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - const unsigned long pixel = xmesa_color_to_pixel(ctx, color[RCOMP], - color[GCOMP], color[BCOMP], color[ACOMP], xmesa->pixelformat); - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), pixel ); - } - } -} - - -static void -put_mono_values_ci_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLuint colorIndex = *((GLuint *) value); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), colorIndex ); - } - } -} - - -/* - * Write an array of identical TRUEDITHER pixels to an XImage. - */ -static void put_mono_values_TRUEDITHER_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - const int r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - for (i=0;i<n;i++) { - if (mask[i]) { - unsigned long p; - PACK_TRUEDITHER(p, x[i], YFLIP(xrb, y[i]), r, g, b); - XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), p ); - } - } -} - - - -/* - * Write an array of identical 8A8B8G8R pixels to an XImage - */ -static void put_mono_values_8A8B8G8R_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const GLuint p = PACK_8A8B8G8R(color[RCOMP], color[GCOMP], - color[BCOMP], color[ACOMP]); - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - GLuint *ptr = PIXEL_ADDR4(xrb, x[i], y[i] ); - *ptr = p; - } - } -} - -/* - * Write an array of identical 8A8R8G8B pixels to an XImage - */ -static void put_mono_values_8A8R8G8B_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const GLuint p = PACK_8A8R8G8B(color[RCOMP], color[GCOMP], - color[BCOMP], color[ACOMP]); - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - GLuint *ptr = PIXEL_ADDR4(xrb, x[i], y[i] ); - *ptr = p; - } - } -} - -/* - * Write an array of identical 8R8G8B pixels to an XImage. - */ -static void put_mono_values_8R8G8B_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - const GLuint p = PACK_8R8G8B(color[RCOMP], color[GCOMP], color[BCOMP]); - for (i=0;i<n;i++) { - if (mask[i]) { - GLuint *ptr = PIXEL_ADDR4(xrb, x[i], y[i] ); - *ptr = p; - } - } -} - - -/* - * Write an array of identical 8R8G8B pixels to an XImage. - */ -static void put_mono_values_8R8G8B24_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - bgr_t *ptr = PIXEL_ADDR3(xrb, x[i], y[i] ); - ptr->r = r; - ptr->g = g; - ptr->b = b; - } - } -} - - -/* - * Write an array of identical PF_DITHER pixels to an XImage. - */ -static void put_mono_values_DITHER_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - XMesaImage *img = xrb->ximage; - register GLuint i; - DITHER_SETUP; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), DITHER( x[i], y[i], r, g, b ) ); - } - } -} - - -/* - * Write an array of identical 8-bit PF_DITHER pixels to an XImage. - */ -static void put_mono_values_DITHER8_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - register GLuint i; - DITHER_SETUP; - for (i=0;i<n;i++) { - if (mask[i]) { - GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); - *ptr = (GLubyte) DITHER( x[i], y[i], r, g, b ); - } - } -} - - -/* - * Write an array of identical 8-bit PF_LOOKUP pixels to an XImage. - */ -static void put_mono_values_LOOKUP8_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - GLubyte pixel; - LOOKUP_SETUP; - pixel = LOOKUP(color[RCOMP], color[GCOMP], color[BCOMP]); - for (i=0;i<n;i++) { - if (mask[i]) { - GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); - *ptr = pixel; - } - } -} - - - -/* - * Write an array of identical PF_1BIT pixels to an XImage. - */ -static void put_mono_values_1BIT_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - XMesaImage *img = xrb->ximage; - register GLuint i; - SETUP_1BIT; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaPutPixel( img, x[i], YFLIP(xrb, y[i]), - DITHER_1BIT( x[i], y[i], r, g, b )); - } - } -} - - -/* - * Write an array of identical PF_HPCR pixels to an XImage. - */ -static void put_mono_values_HPCR_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - const GLubyte r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); - *ptr = DITHER_HPCR( x[i], y[i], r, g, b ); - } - } -} - - -/* - * Write an array of identical 8-bit PF_GRAYSCALE pixels to an XImage. - */ -static void put_mono_values_GRAYSCALE8_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - register GLuint i; - register GLubyte p = GRAY_RGB(color[RCOMP], color[GCOMP], color[BCOMP]); - for (i=0;i<n;i++) { - if (mask[i]) { - GLubyte *ptr = PIXEL_ADDR1(xrb, x[i], y[i]); - *ptr = p; - } - } -} - - -/* - * Write an array of identical PF_DITHER_5R6G5B pixels to an XImage. - */ -static void put_mono_values_DITHER_5R6G5B_ximage( PUT_MONO_VALUES_ARGS ) -{ - const GLubyte *color = (const GLubyte *) value; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - const int r = color[RCOMP], g = color[GCOMP], b = color[BCOMP]; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - GLushort *ptr = PIXEL_ADDR2(xrb, x[i], y[i] ); - PACK_TRUEDITHER(*ptr, x[i], y[i], r, g, b); - } - } -} - - - -/**********************************************************************/ -/*** Write INDEX SPAN functions ***/ -/**********************************************************************/ - -/* - * Write a span of CI pixels to a Pixmap. - */ -static void put_row_ci_pixmap( PUT_ROW_ARGS ) -{ - const GLuint *index = (GLuint *) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, (unsigned long) index[i] ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } - } - else { - for (i=0;i<n;i++,x++) { - XMesaSetForeground( dpy, gc, (unsigned long) index[i] ); - XMesaDrawPoint( dpy, buffer, gc, (int) x, (int) y ); - } - } -} - - -/* - * Write a span of CI pixels to an XImage. - */ -static void put_row_ci_ximage( PUT_ROW_ARGS ) -{ - const GLuint *index = (const GLuint *) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - y = YFLIP(xrb, y); - if (mask) { - for (i=0;i<n;i++,x++) { - if (mask[i]) { - XMesaPutPixel( img, x, y, (unsigned long) index[i] ); - } - } - } - else { - for (i=0;i<n;i++,x++) { - XMesaPutPixel( img, x, y, (unsigned long) index[i] ); - } - } -} - - -/**********************************************************************/ -/*** Write INDEX PIXELS functions ***/ -/**********************************************************************/ - -/* - * Write an array of CI pixels to a Pixmap. - */ -static void put_values_ci_pixmap( PUT_VALUES_ARGS ) -{ - const GLuint *index = (const GLuint *) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaDrawable buffer = xrb->drawable; - XMesaGC gc = XMESA_BUFFER(ctx->DrawBuffer)->gc; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaSetForeground( dpy, gc, (unsigned long) index[i] ); - XMesaDrawPoint( dpy, buffer, gc, (int) x[i], (int) YFLIP(xrb, y[i]) ); - } - } -} - - -/* - * Write an array of CI pixels to an XImage. - */ -static void put_values_ci_ximage( PUT_VALUES_ARGS ) -{ - const GLuint *index = (const GLuint *) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaImage *img = xrb->ximage; - register GLuint i; - for (i=0;i<n;i++) { - if (mask[i]) { - XMesaPutPixel(img, x[i], YFLIP(xrb, y[i]), (unsigned long) index[i]); - } - } -} - - - - -/**********************************************************************/ -/***** Pixel reading *****/ -/**********************************************************************/ - -#ifndef XFree86Server -/** - * Do clip testing prior to calling XGetImage. If any of the region lies - * outside the screen's bounds, XGetImage will return NULL. - * We use XTranslateCoordinates() to check if that's the case and - * adjust the x, y and length parameters accordingly. - * \return -1 if span is totally clipped away, - * else return number of pixels to skip in the destination array. - */ -static int -clip_for_xgetimage(GLcontext *ctx, GLuint *n, GLint *x, GLint *y) -{ - XMesaContext xmesa = XMESA_CONTEXT(ctx); - XMesaBuffer source = XMESA_BUFFER(ctx->DrawBuffer); - Window rootWin = RootWindow(xmesa->display, 0); - Window child; - GLint screenWidth = WidthOfScreen(DefaultScreenOfDisplay(xmesa->display)); - GLint dx, dy; - if (source->type == PBUFFER || source->type == PIXMAP) - return 0; - XTranslateCoordinates(xmesa->display, source->frontxrb->pixmap, rootWin, - *x, *y, &dx, &dy, &child); - if (dx >= screenWidth) { - /* totally clipped on right */ - return -1; - } - if (dx < 0) { - /* clipped on left */ - GLint clip = -dx; - if (clip >= (GLint) *n) - return -1; /* totally clipped on left */ - *x += clip; - *n -= clip; - dx = 0; - return clip; - } - if ((GLint) (dx + *n) > screenWidth) { - /* clipped on right */ - GLint clip = dx + *n - screenWidth; - *n -= clip; - } - return 0; -} -#endif - - -/* - * Read a horizontal span of color-index pixels. - */ -static void -get_row_ci(GLcontext *ctx, struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, void *values) -{ - GLuint *index = (GLuint *) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - GLuint i; - - y = YFLIP(xrb, y); - - if (xrb->pixmap) { -#ifndef XFree86Server - XMesaImage *span = NULL; - int error; - int k = clip_for_xgetimage(ctx, &n, &x, &y); - if (k < 0) - return; - index += k; - - catch_xgetimage_errors( xmesa->display ); - span = XGetImage( xmesa->display, xrb->pixmap, - x, y, n, 1, AllPlanes, ZPixmap ); - error = check_xgetimage_errors(); - if (span && !error) { - for (i=0;i<n;i++) { - index[i] = (GLuint) XMesaGetPixel( span, i, 0 ); - } - } - else { - /* return 0 pixels */ - for (i=0;i<n;i++) { - index[i] = 0; - } - } - if (span) { - XMesaDestroyImage( span ); - } -#else - (*xmesa->display->GetImage)(xrb->drawable, - x, y, n, 1, ZPixmap, - ~0L, (void *)index); -#endif - } - else if (xrb->ximage) { - XMesaImage *img = xrb->ximage; - for (i=0;i<n;i++,x++) { - index[i] = (GLuint) XMesaGetPixel( img, x, y ); - } - } -} - - - -/* - * Read a horizontal span of color pixels. - */ -static void -get_row_rgba(GLcontext *ctx, struct gl_renderbuffer *rb, - GLuint n, GLint x, GLint y, void *values) -{ - GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - XMesaBuffer source = XMESA_BUFFER(ctx->DrawBuffer); - - if (xrb->pixmap) { - /* Read from Pixmap or Window */ - XMesaImage *span = NULL; - int error; -#ifdef XFree86Server - span = XMesaCreateImage(xmesa->xm_visual->BitsPerPixel, n, 1, NULL); - span->data = (char *)MALLOC(span->height * span->bytes_per_line); - error = (!span->data); - (*xmesa->display->GetImage)(xrb->drawable, - x, YFLIP(xrb, y), n, 1, ZPixmap, - ~0L, (void *)span->data); -#else - int k; - y = YFLIP(xrb, y); - k = clip_for_xgetimage(ctx, &n, &x, &y); - if (k < 0) - return; - rgba += k; - catch_xgetimage_errors( xmesa->display ); - span = XGetImage( xmesa->display, xrb->pixmap, - x, y, n, 1, AllPlanes, ZPixmap ); - error = check_xgetimage_errors(); -#endif - if (span && !error) { - switch (xmesa->pixelformat) { - case PF_Truecolor: - case PF_Dither_True: - { - const GLubyte *pixelToR = xmesa->xm_visual->PixelToR; - const GLubyte *pixelToG = xmesa->xm_visual->PixelToG; - const GLubyte *pixelToB = xmesa->xm_visual->PixelToB; - unsigned long rMask = GET_REDMASK(xmesa->xm_visual); - unsigned long gMask = GET_GREENMASK(xmesa->xm_visual); - unsigned long bMask = GET_BLUEMASK(xmesa->xm_visual); - GLint rShift = xmesa->xm_visual->rshift; - GLint gShift = xmesa->xm_visual->gshift; - GLint bShift = xmesa->xm_visual->bshift; - GLuint i; - for (i=0;i<n;i++) { - unsigned long p; - p = XMesaGetPixel( span, i, 0 ); - rgba[i][RCOMP] = pixelToR[(p & rMask) >> rShift]; - rgba[i][GCOMP] = pixelToG[(p & gMask) >> gShift]; - rgba[i][BCOMP] = pixelToB[(p & bMask) >> bShift]; - rgba[i][ACOMP] = 255; - } - } - break; - case PF_5R6G5B: - case PF_Dither_5R6G5B: - { - const GLubyte *pixelToR = xmesa->xm_visual->PixelToR; - const GLubyte *pixelToG = xmesa->xm_visual->PixelToG; - const GLubyte *pixelToB = xmesa->xm_visual->PixelToB; - GLuint i; - for (i=0;i<n;i++) { - unsigned long p = XMesaGetPixel( span, i, 0 ); - /* fast, but not quite accurate - rgba[i][RCOMP] = ((p >> 8) & 0xf8); - rgba[i][GCOMP] = ((p >> 3) & 0xfc); - rgba[i][BCOMP] = ((p << 3) & 0xff); - */ - rgba[i][RCOMP] = pixelToR[p >> 11]; - rgba[i][GCOMP] = pixelToG[(p >> 5) & 0x3f]; - rgba[i][BCOMP] = pixelToB[p & 0x1f]; - rgba[i][ACOMP] = 255; - } - } - break; - case PF_8A8B8G8R: - { - const GLuint *ptr4 = (GLuint *) span->data; - GLuint i; - for (i=0;i<n;i++) { - GLuint p4 = *ptr4++; - rgba[i][RCOMP] = (GLubyte) ( p4 & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ((p4 >> 16) & 0xff); - rgba[i][ACOMP] = (GLubyte) ((p4 >> 24) & 0xff); - } - } - break; - case PF_8A8R8G8B: - { - const GLuint *ptr4 = (GLuint *) span->data; - GLuint i; - for (i=0;i<n;i++) { - GLuint p4 = *ptr4++; - rgba[i][RCOMP] = (GLubyte) ((p4 >> 16) & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ( p4 & 0xff); - rgba[i][ACOMP] = (GLubyte) ((p4 >> 24) & 0xff); - } - } - break; - case PF_8R8G8B: - { - const GLuint *ptr4 = (GLuint *) span->data; - GLuint i; - for (i=0;i<n;i++) { - GLuint p4 = *ptr4++; - rgba[i][RCOMP] = (GLubyte) ((p4 >> 16) & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ( p4 & 0xff); - rgba[i][ACOMP] = 255; - } - } - break; - case PF_8R8G8B24: - { - const bgr_t *ptr3 = (bgr_t *) span->data; - GLuint i; - for (i=0;i<n;i++) { - rgba[i][RCOMP] = ptr3[i].r; - rgba[i][GCOMP] = ptr3[i].g; - rgba[i][BCOMP] = ptr3[i].b; - rgba[i][ACOMP] = 255; - } - } - break; - case PF_HPCR: - { - GLubyte *ptr1 = (GLubyte *) span->data; - GLuint i; - for (i=0;i<n;i++) { - GLubyte p = *ptr1++; - rgba[i][RCOMP] = p & 0xE0; - rgba[i][GCOMP] = (p & 0x1C) << 3; - rgba[i][BCOMP] = (p & 0x03) << 6; - rgba[i][ACOMP] = 255; - } - } - break; - case PF_Dither: - case PF_Lookup: - case PF_Grayscale: - { - GLubyte *rTable = source->pixel_to_r; - GLubyte *gTable = source->pixel_to_g; - GLubyte *bTable = source->pixel_to_b; - if (GET_VISUAL_DEPTH(xmesa->xm_visual)==8) { - const GLubyte *ptr1 = (GLubyte *) span->data; - GLuint i; - for (i=0;i<n;i++) { - unsigned long p = *ptr1++; - rgba[i][RCOMP] = rTable[p]; - rgba[i][GCOMP] = gTable[p]; - rgba[i][BCOMP] = bTable[p]; - rgba[i][ACOMP] = 255; - } - } - else { - GLuint i; - for (i=0;i<n;i++) { - unsigned long p = XMesaGetPixel( span, i, 0 ); - rgba[i][RCOMP] = rTable[p]; - rgba[i][GCOMP] = gTable[p]; - rgba[i][BCOMP] = bTable[p]; - rgba[i][ACOMP] = 255; - } - } - } - break; - case PF_1Bit: - { - int bitFlip = xmesa->xm_visual->bitFlip; - GLuint i; - for (i=0;i<n;i++) { - unsigned long p; - p = XMesaGetPixel( span, i, 0 ) ^ bitFlip; - rgba[i][RCOMP] = (GLubyte) (p * 255); - rgba[i][GCOMP] = (GLubyte) (p * 255); - rgba[i][BCOMP] = (GLubyte) (p * 255); - rgba[i][ACOMP] = 255; - } - } - break; - default: - _mesa_problem(NULL,"Problem in DD.read_color_span (1)"); - return; - } - } - else { - /* return black pixels */ - GLuint i; - for (i=0;i<n;i++) { - rgba[i][RCOMP] = rgba[i][GCOMP] = rgba[i][BCOMP] = rgba[i][ACOMP] = 0; - } - } - if (span) { - XMesaDestroyImage( span ); - } - } - else if (xrb->ximage) { - /* Read from XImage back buffer */ - switch (xmesa->pixelformat) { - case PF_Truecolor: - case PF_Dither_True: - { - const GLubyte *pixelToR = xmesa->xm_visual->PixelToR; - const GLubyte *pixelToG = xmesa->xm_visual->PixelToG; - const GLubyte *pixelToB = xmesa->xm_visual->PixelToB; - unsigned long rMask = GET_REDMASK(xmesa->xm_visual); - unsigned long gMask = GET_GREENMASK(xmesa->xm_visual); - unsigned long bMask = GET_BLUEMASK(xmesa->xm_visual); - GLint rShift = xmesa->xm_visual->rshift; - GLint gShift = xmesa->xm_visual->gshift; - GLint bShift = xmesa->xm_visual->bshift; - XMesaImage *img = xrb->ximage; - GLuint i; - y = YFLIP(xrb, y); - for (i=0;i<n;i++) { - unsigned long p; - p = XMesaGetPixel( img, x+i, y ); - rgba[i][RCOMP] = pixelToR[(p & rMask) >> rShift]; - rgba[i][GCOMP] = pixelToG[(p & gMask) >> gShift]; - rgba[i][BCOMP] = pixelToB[(p & bMask) >> bShift]; - rgba[i][ACOMP] = 255; - } - } - break; - case PF_5R6G5B: - case PF_Dither_5R6G5B: - { - const GLubyte *pixelToR = xmesa->xm_visual->PixelToR; - const GLubyte *pixelToG = xmesa->xm_visual->PixelToG; - const GLubyte *pixelToB = xmesa->xm_visual->PixelToB; - const GLushort *ptr2 = PIXEL_ADDR2(xrb, x, y); - GLuint i; -#if defined(__i386__) /* word stores don't have to be on 4-byte boundaries */ - const GLuint *ptr4 = (const GLuint *) ptr2; - GLuint extraPixel = (n & 1); - n -= extraPixel; - for (i = 0; i < n; i += 2) { - const GLuint p = *ptr4++; - const GLuint p0 = p & 0xffff; - const GLuint p1 = p >> 16; - /* fast, but not quite accurate - rgba[i][RCOMP] = ((p >> 8) & 0xf8); - rgba[i][GCOMP] = ((p >> 3) & 0xfc); - rgba[i][BCOMP] = ((p << 3) & 0xff); - */ - rgba[i][RCOMP] = pixelToR[p0 >> 11]; - rgba[i][GCOMP] = pixelToG[(p0 >> 5) & 0x3f]; - rgba[i][BCOMP] = pixelToB[p0 & 0x1f]; - rgba[i][ACOMP] = 255; - rgba[i+1][RCOMP] = pixelToR[p1 >> 11]; - rgba[i+1][GCOMP] = pixelToG[(p1 >> 5) & 0x3f]; - rgba[i+1][BCOMP] = pixelToB[p1 & 0x1f]; - rgba[i+1][ACOMP] = 255; - } - if (extraPixel) { - GLushort p = ptr2[n]; - rgba[n][RCOMP] = pixelToR[p >> 11]; - rgba[n][GCOMP] = pixelToG[(p >> 5) & 0x3f]; - rgba[n][BCOMP] = pixelToB[p & 0x1f]; - rgba[n][ACOMP] = 255; - } -#else - for (i = 0; i < n; i++) { - const GLushort p = ptr2[i]; - rgba[i][RCOMP] = pixelToR[p >> 11]; - rgba[i][GCOMP] = pixelToG[(p >> 5) & 0x3f]; - rgba[i][BCOMP] = pixelToB[p & 0x1f]; - rgba[i][ACOMP] = 255; - } -#endif - } - break; - case PF_8A8B8G8R: - { - const GLuint *ptr4 = PIXEL_ADDR4(xrb, x, y); - GLuint i; - for (i=0;i<n;i++) { - GLuint p4 = *ptr4++; - rgba[i][RCOMP] = (GLubyte) ( p4 & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ((p4 >> 16) & 0xff); - rgba[i][ACOMP] = (GLint) ((p4 >> 24) & 0xff); - } - } - break; - case PF_8A8R8G8B: - { - const GLuint *ptr4 = PIXEL_ADDR4(xrb, x, y); - GLuint i; - for (i=0;i<n;i++) { - GLuint p4 = *ptr4++; - rgba[i][RCOMP] = (GLubyte) ((p4 >> 16) & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ( p4 & 0xff); - rgba[i][ACOMP] = (GLint) ((p4 >> 24) & 0xff); - } - } - break; - case PF_8R8G8B: - { - const GLuint *ptr4 = PIXEL_ADDR4(xrb, x, y); - GLuint i; - for (i=0;i<n;i++) { - GLuint p4 = *ptr4++; - rgba[i][RCOMP] = (GLubyte) ((p4 >> 16) & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ( p4 & 0xff); - rgba[i][ACOMP] = 255; - } - } - break; - case PF_8R8G8B24: - { - const bgr_t *ptr3 = PIXEL_ADDR3(xrb, x, y); - GLuint i; - for (i=0;i<n;i++) { - rgba[i][RCOMP] = ptr3[i].r; - rgba[i][GCOMP] = ptr3[i].g; - rgba[i][BCOMP] = ptr3[i].b; - rgba[i][ACOMP] = 255; - } - } - break; - case PF_HPCR: - { - const GLubyte *ptr1 = PIXEL_ADDR1(xrb, x, y); - GLuint i; - for (i=0;i<n;i++) { - GLubyte p = *ptr1++; - rgba[i][RCOMP] = p & 0xE0; - rgba[i][GCOMP] = (p & 0x1C) << 3; - rgba[i][BCOMP] = (p & 0x03) << 6; - rgba[i][ACOMP] = 255; - } - } - break; - case PF_Dither: - case PF_Lookup: - case PF_Grayscale: - { - const GLubyte *rTable = source->pixel_to_r; - const GLubyte *gTable = source->pixel_to_g; - const GLubyte *bTable = source->pixel_to_b; - if (GET_VISUAL_DEPTH(xmesa->xm_visual)==8) { - GLubyte *ptr1 = PIXEL_ADDR1(xrb, x, y); - GLuint i; - for (i=0;i<n;i++) { - unsigned long p = *ptr1++; - rgba[i][RCOMP] = rTable[p]; - rgba[i][GCOMP] = gTable[p]; - rgba[i][BCOMP] = bTable[p]; - rgba[i][ACOMP] = 255; - } - } - else { - XMesaImage *img = xrb->ximage; - GLuint i; - y = YFLIP(xrb, y); - for (i=0;i<n;i++,x++) { - unsigned long p = XMesaGetPixel( img, x, y ); - rgba[i][RCOMP] = rTable[p]; - rgba[i][GCOMP] = gTable[p]; - rgba[i][BCOMP] = bTable[p]; - rgba[i][ACOMP] = 255; - } - } - } - break; - case PF_1Bit: - { - XMesaImage *img = xrb->ximage; - int bitFlip = xmesa->xm_visual->bitFlip; - GLuint i; - y = YFLIP(xrb, y); - for (i=0;i<n;i++,x++) { - unsigned long p; - p = XMesaGetPixel( img, x, y ) ^ bitFlip; - rgba[i][RCOMP] = (GLubyte) (p * 255); - rgba[i][GCOMP] = (GLubyte) (p * 255); - rgba[i][BCOMP] = (GLubyte) (p * 255); - rgba[i][ACOMP] = 255; - } - } - break; - default: - _mesa_problem(NULL,"Problem in DD.read_color_span (2)"); - return; - } - } -} - - - -/* - * Read an array of color index pixels. - */ -static void -get_values_ci(GLcontext *ctx, struct gl_renderbuffer *rb, - GLuint n, const GLint x[], const GLint y[], void *values) -{ - GLuint *indx = (GLuint *) values; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - GLuint i; - if (xrb->pixmap) { - for (i=0;i<n;i++) { - indx[i] = (GLuint) read_pixel( xmesa->display, xrb->drawable, - x[i], YFLIP(xrb, y[i]) ); - } - } - else if (xrb->ximage) { - XMesaImage *img = xrb->ximage; - for (i=0;i<n;i++) { - indx[i] = (GLuint) XMesaGetPixel( img, x[i], YFLIP(xrb, y[i]) ); - } - } -} - - - -static void -get_values_rgba(GLcontext *ctx, struct gl_renderbuffer *rb, - GLuint n, const GLint x[], const GLint y[], void *values) -{ - GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; - struct xmesa_renderbuffer *xrb = (struct xmesa_renderbuffer *) rb; - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - XMesaDisplay *dpy = xmesa->xm_visual->display; - XMesaBuffer source = XMESA_BUFFER(ctx->DrawBuffer); - register GLuint i; - - if (xrb->pixmap) { - XMesaDrawable buffer = xrb->drawable; - switch (xmesa->pixelformat) { - case PF_Truecolor: - case PF_Dither_True: - case PF_5R6G5B: - case PF_Dither_5R6G5B: - { - unsigned long rMask = GET_REDMASK(xmesa->xm_visual); - unsigned long gMask = GET_GREENMASK(xmesa->xm_visual); - unsigned long bMask = GET_BLUEMASK(xmesa->xm_visual); - GLubyte *pixelToR = xmesa->xm_visual->PixelToR; - GLubyte *pixelToG = xmesa->xm_visual->PixelToG; - GLubyte *pixelToB = xmesa->xm_visual->PixelToB; - GLint rShift = xmesa->xm_visual->rshift; - GLint gShift = xmesa->xm_visual->gshift; - GLint bShift = xmesa->xm_visual->bshift; - for (i=0;i<n;i++) { - unsigned long p = read_pixel( dpy, buffer, - x[i], YFLIP(xrb, y[i]) ); - rgba[i][RCOMP] = pixelToR[(p & rMask) >> rShift]; - rgba[i][GCOMP] = pixelToG[(p & gMask) >> gShift]; - rgba[i][BCOMP] = pixelToB[(p & bMask) >> bShift]; - rgba[i][ACOMP] = 255; - } - } - break; - case PF_8A8B8G8R: - for (i=0;i<n;i++) { - unsigned long p = read_pixel( dpy, buffer, - x[i], YFLIP(xrb, y[i]) ); - rgba[i][RCOMP] = (GLubyte) ( p & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ((p >> 16) & 0xff); - rgba[i][ACOMP] = (GLubyte) ((p >> 24) & 0xff); - } - break; - case PF_8A8R8G8B: - for (i=0;i<n;i++) { - unsigned long p = read_pixel( dpy, buffer, - x[i], YFLIP(xrb, y[i]) ); - rgba[i][RCOMP] = (GLubyte) ((p >> 16) & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ( p & 0xff); - rgba[i][ACOMP] = (GLubyte) ((p >> 24) & 0xff); - } - break; - case PF_8R8G8B: - for (i=0;i<n;i++) { - unsigned long p = read_pixel( dpy, buffer, - x[i], YFLIP(xrb, y[i]) ); - rgba[i][RCOMP] = (GLubyte) ((p >> 16) & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ( p & 0xff); - rgba[i][ACOMP] = 255; - } - break; - case PF_8R8G8B24: - for (i=0;i<n;i++) { - unsigned long p = read_pixel( dpy, buffer, - x[i], YFLIP(xrb, y[i]) ); - rgba[i][RCOMP] = (GLubyte) ((p >> 16) & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ( p & 0xff); - rgba[i][ACOMP] = 255; - } - break; - case PF_HPCR: - for (i=0;i<n;i++) { - unsigned long p = read_pixel( dpy, buffer, - x[i], YFLIP(xrb, y[i]) ); - rgba[i][RCOMP] = (GLubyte) ( p & 0xE0 ); - rgba[i][GCOMP] = (GLubyte) ((p & 0x1C) << 3); - rgba[i][BCOMP] = (GLubyte) ((p & 0x03) << 6); - rgba[i][ACOMP] = (GLubyte) 255; - } - break; - case PF_Dither: - case PF_Lookup: - case PF_Grayscale: - { - GLubyte *rTable = source->pixel_to_r; - GLubyte *gTable = source->pixel_to_g; - GLubyte *bTable = source->pixel_to_b; - for (i=0;i<n;i++) { - unsigned long p = read_pixel( dpy, buffer, - x[i], YFLIP(xrb, y[i]) ); - rgba[i][RCOMP] = rTable[p]; - rgba[i][GCOMP] = gTable[p]; - rgba[i][BCOMP] = bTable[p]; - rgba[i][ACOMP] = 255; - } - } - break; - case PF_1Bit: - { - int bitFlip = xmesa->xm_visual->bitFlip; - for (i=0;i<n;i++) { - unsigned long p = read_pixel( dpy, buffer, - x[i], YFLIP(xrb, y[i])) ^ bitFlip; - rgba[i][RCOMP] = (GLubyte) (p * 255); - rgba[i][GCOMP] = (GLubyte) (p * 255); - rgba[i][BCOMP] = (GLubyte) (p * 255); - rgba[i][ACOMP] = 255; - } - } - break; - default: - _mesa_problem(NULL,"Problem in DD.read_color_pixels (1)"); - return; - } - } - else if (xrb->ximage) { - /* Read from XImage back buffer */ - switch (xmesa->pixelformat) { - case PF_Truecolor: - case PF_Dither_True: - case PF_5R6G5B: - case PF_Dither_5R6G5B: - { - unsigned long rMask = GET_REDMASK(xmesa->xm_visual); - unsigned long gMask = GET_GREENMASK(xmesa->xm_visual); - unsigned long bMask = GET_BLUEMASK(xmesa->xm_visual); - GLubyte *pixelToR = xmesa->xm_visual->PixelToR; - GLubyte *pixelToG = xmesa->xm_visual->PixelToG; - GLubyte *pixelToB = xmesa->xm_visual->PixelToB; - GLint rShift = xmesa->xm_visual->rshift; - GLint gShift = xmesa->xm_visual->gshift; - GLint bShift = xmesa->xm_visual->bshift; - XMesaImage *img = xrb->ximage; - for (i=0;i<n;i++) { - unsigned long p; - p = XMesaGetPixel( img, x[i], YFLIP(xrb, y[i]) ); - rgba[i][RCOMP] = pixelToR[(p & rMask) >> rShift]; - rgba[i][GCOMP] = pixelToG[(p & gMask) >> gShift]; - rgba[i][BCOMP] = pixelToB[(p & bMask) >> bShift]; - rgba[i][ACOMP] = 255; - } - } - break; - case PF_8A8B8G8R: - for (i=0;i<n;i++) { - GLuint *ptr4 = PIXEL_ADDR4(xrb, x[i], y[i]); - GLuint p4 = *ptr4; - rgba[i][RCOMP] = (GLubyte) ( p4 & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ((p4 >> 16) & 0xff); - rgba[i][ACOMP] = (GLubyte) ((p4 >> 24) & 0xff); - } - break; - case PF_8A8R8G8B: - for (i=0;i<n;i++) { - GLuint *ptr4 = PIXEL_ADDR4(xrb, x[i], y[i]); - GLuint p4 = *ptr4; - rgba[i][RCOMP] = (GLubyte) ((p4 >> 16) & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ( p4 & 0xff); - rgba[i][ACOMP] = (GLubyte) ((p4 >> 24) & 0xff); - } - break; - case PF_8R8G8B: - for (i=0;i<n;i++) { - GLuint *ptr4 = PIXEL_ADDR4(xrb, x[i], y[i]); - GLuint p4 = *ptr4; - rgba[i][RCOMP] = (GLubyte) ((p4 >> 16) & 0xff); - rgba[i][GCOMP] = (GLubyte) ((p4 >> 8) & 0xff); - rgba[i][BCOMP] = (GLubyte) ( p4 & 0xff); - rgba[i][ACOMP] = 255; - } - break; - case PF_8R8G8B24: - for (i=0;i<n;i++) { - bgr_t *ptr3 = PIXEL_ADDR3(xrb, x[i], y[i]); - rgba[i][RCOMP] = ptr3->r; - rgba[i][GCOMP] = ptr3->g; - rgba[i][BCOMP] = ptr3->b; - rgba[i][ACOMP] = 255; - } - break; - case PF_HPCR: - for (i=0;i<n;i++) { - GLubyte *ptr1 = PIXEL_ADDR1(xrb, x[i], y[i]); - GLubyte p = *ptr1; - rgba[i][RCOMP] = p & 0xE0; - rgba[i][GCOMP] = (p & 0x1C) << 3; - rgba[i][BCOMP] = (p & 0x03) << 6; - rgba[i][ACOMP] = 255; - } - break; - case PF_Dither: - case PF_Lookup: - case PF_Grayscale: - { - GLubyte *rTable = source->pixel_to_r; - GLubyte *gTable = source->pixel_to_g; - GLubyte *bTable = source->pixel_to_b; - XMesaImage *img = xrb->ximage; - for (i=0;i<n;i++) { - unsigned long p; - p = XMesaGetPixel( img, x[i], YFLIP(xrb, y[i]) ); - rgba[i][RCOMP] = rTable[p]; - rgba[i][GCOMP] = gTable[p]; - rgba[i][BCOMP] = bTable[p]; - rgba[i][ACOMP] = 255; - } - } - break; - case PF_1Bit: - { - XMesaImage *img = xrb->ximage; - int bitFlip = xmesa->xm_visual->bitFlip; - for (i=0;i<n;i++) { - unsigned long p; - p = XMesaGetPixel( img, x[i], YFLIP(xrb, y[i]) ) ^ bitFlip; - rgba[i][RCOMP] = (GLubyte) (p * 255); - rgba[i][GCOMP] = (GLubyte) (p * 255); - rgba[i][BCOMP] = (GLubyte) (p * 255); - rgba[i][ACOMP] = 255; - } - } - break; - default: - _mesa_problem(NULL,"Problem in DD.read_color_pixels (1)"); - return; - } - } -} - - -/** - * Initialize the renderbuffer's PutRow, GetRow, etc. functions. - * This would generally only need to be called once when the renderbuffer - * is created. However, we can change pixel formats on the fly if dithering - * is enabled/disabled. Therefore, we may call this more often than that. - */ -void -xmesa_set_renderbuffer_funcs(struct xmesa_renderbuffer *xrb, - enum pixel_format pixelformat, GLint depth) -{ - const GLboolean pixmap = xrb->pixmap ? GL_TRUE : GL_FALSE; - - switch (pixelformat) { - case PF_Index: - ASSERT(xrb->Base.DataType == GL_UNSIGNED_INT); - if (pixmap) { - xrb->Base.PutRow = put_row_ci_pixmap; - xrb->Base.PutRowRGB = NULL; - xrb->Base.PutMonoRow = put_mono_row_ci_pixmap; - xrb->Base.PutValues = put_values_ci_pixmap; - xrb->Base.PutMonoValues = put_mono_values_ci_pixmap; - } - else { - xrb->Base.PutRow = put_row_ci_ximage; - xrb->Base.PutRowRGB = NULL; - xrb->Base.PutMonoRow = put_mono_row_ci_ximage; - xrb->Base.PutValues = put_values_ci_ximage; - xrb->Base.PutMonoValues = put_mono_values_ci_ximage; - } - break; - case PF_Truecolor: - if (pixmap) { - xrb->Base.PutRow = put_row_TRUECOLOR_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_TRUECOLOR_pixmap; - xrb->Base.PutMonoRow = put_mono_row_pixmap; - xrb->Base.PutValues = put_values_TRUECOLOR_pixmap; - xrb->Base.PutMonoValues = put_mono_values_pixmap; - } - else { - xrb->Base.PutRow = put_row_TRUECOLOR_ximage; - xrb->Base.PutRowRGB = put_row_rgb_TRUECOLOR_ximage; - xrb->Base.PutMonoRow = put_mono_row_ximage; - xrb->Base.PutValues = put_values_TRUECOLOR_ximage; - xrb->Base.PutMonoValues = put_mono_values_ximage; - } - break; - case PF_Dither_True: - if (pixmap) { - xrb->Base.PutRow = put_row_TRUEDITHER_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_TRUEDITHER_pixmap; - xrb->Base.PutMonoRow = put_mono_row_TRUEDITHER_pixmap; - xrb->Base.PutValues = put_values_TRUEDITHER_pixmap; - xrb->Base.PutMonoValues = put_mono_values_TRUEDITHER_pixmap; - } - else { - xrb->Base.PutRow = put_row_TRUEDITHER_ximage; - xrb->Base.PutRowRGB = put_row_rgb_TRUEDITHER_ximage; - xrb->Base.PutMonoRow = put_mono_row_TRUEDITHER_ximage; - xrb->Base.PutValues = put_values_TRUEDITHER_ximage; - xrb->Base.PutMonoValues = put_mono_values_TRUEDITHER_ximage; - } - break; - case PF_8A8B8G8R: - if (pixmap) { - xrb->Base.PutRow = put_row_8A8B8G8R_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_8A8B8G8R_pixmap; - xrb->Base.PutMonoRow = put_mono_row_pixmap; - xrb->Base.PutValues = put_values_8A8B8G8R_pixmap; - xrb->Base.PutMonoValues = put_mono_values_pixmap; - } - else { - xrb->Base.PutRow = put_row_8A8B8G8R_ximage; - xrb->Base.PutRowRGB = put_row_rgb_8A8B8G8R_ximage; - xrb->Base.PutMonoRow = put_mono_row_8A8B8G8R_ximage; - xrb->Base.PutValues = put_values_8A8B8G8R_ximage; - xrb->Base.PutMonoValues = put_mono_values_8A8B8G8R_ximage; - } - break; - case PF_8A8R8G8B: - if (pixmap) { - xrb->Base.PutRow = put_row_8A8R8G8B_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_8A8R8G8B_pixmap; - xrb->Base.PutMonoRow = put_mono_row_pixmap; - xrb->Base.PutValues = put_values_8A8R8G8B_pixmap; - xrb->Base.PutMonoValues = put_mono_values_pixmap; - } - else { - xrb->Base.PutRow = put_row_8A8R8G8B_ximage; - xrb->Base.PutRowRGB = put_row_rgb_8A8R8G8B_ximage; - xrb->Base.PutMonoRow = put_mono_row_8A8R8G8B_ximage; - xrb->Base.PutValues = put_values_8A8R8G8B_ximage; - xrb->Base.PutMonoValues = put_mono_values_8A8R8G8B_ximage; - } - break; - case PF_8R8G8B: - if (pixmap) { - xrb->Base.PutRow = put_row_8R8G8B_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_8R8G8B_pixmap; - xrb->Base.PutMonoRow = put_mono_row_pixmap; - xrb->Base.PutValues = put_values_8R8G8B_pixmap; - xrb->Base.PutMonoValues = put_mono_values_pixmap; - } - else { - xrb->Base.PutRow = put_row_8R8G8B_ximage; - xrb->Base.PutRowRGB = put_row_rgb_8R8G8B_ximage; - xrb->Base.PutMonoRow = put_mono_row_8R8G8B_ximage; - xrb->Base.PutValues = put_values_8R8G8B_ximage; - xrb->Base.PutMonoValues = put_mono_values_8R8G8B_ximage; - } - break; - case PF_8R8G8B24: - if (pixmap) { - xrb->Base.PutRow = put_row_8R8G8B24_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_8R8G8B24_pixmap; - xrb->Base.PutMonoRow = put_mono_row_pixmap; - xrb->Base.PutValues = put_values_8R8G8B24_pixmap; - xrb->Base.PutMonoValues = put_mono_values_pixmap; - } - else { - xrb->Base.PutRow = put_row_8R8G8B24_ximage; - xrb->Base.PutRowRGB = put_row_rgb_8R8G8B24_ximage; - xrb->Base.PutMonoRow = put_mono_row_8R8G8B24_ximage; - xrb->Base.PutValues = put_values_8R8G8B24_ximage; - xrb->Base.PutMonoValues = put_mono_values_8R8G8B24_ximage; - } - break; - case PF_5R6G5B: - if (pixmap) { - xrb->Base.PutRow = put_row_5R6G5B_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_5R6G5B_pixmap; - xrb->Base.PutMonoRow = put_mono_row_pixmap; - xrb->Base.PutValues = put_values_5R6G5B_pixmap; - xrb->Base.PutMonoValues = put_mono_values_pixmap; - } - else { - xrb->Base.PutRow = put_row_5R6G5B_ximage; - xrb->Base.PutRowRGB = put_row_rgb_5R6G5B_ximage; - xrb->Base.PutMonoRow = put_mono_row_ximage; - xrb->Base.PutValues = put_values_5R6G5B_ximage; - xrb->Base.PutMonoValues = put_mono_values_ximage; - } - break; - case PF_Dither_5R6G5B: - if (pixmap) { - xrb->Base.PutRow = put_row_DITHER_5R6G5B_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_DITHER_5R6G5B_pixmap; - xrb->Base.PutMonoRow = put_mono_row_TRUEDITHER_pixmap; - xrb->Base.PutValues = put_values_DITHER_5R6G5B_pixmap; - xrb->Base.PutMonoValues = put_mono_values_TRUEDITHER_pixmap; - } - else { - xrb->Base.PutRow = put_row_DITHER_5R6G5B_ximage; - xrb->Base.PutRowRGB = put_row_rgb_DITHER_5R6G5B_ximage; - xrb->Base.PutMonoRow = put_mono_row_DITHER_5R6G5B_ximage; - xrb->Base.PutValues = put_values_DITHER_5R6G5B_ximage; - xrb->Base.PutMonoValues = put_mono_values_DITHER_5R6G5B_ximage; - } - break; - case PF_Dither: - if (pixmap) { - xrb->Base.PutRow = put_row_DITHER_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_DITHER_pixmap; - xrb->Base.PutMonoRow = put_mono_row_DITHER_pixmap; - xrb->Base.PutValues = put_values_DITHER_pixmap; - xrb->Base.PutMonoValues = put_mono_values_DITHER_pixmap; - } - else { - if (depth == 8) { - xrb->Base.PutRow = put_row_DITHER8_ximage; - xrb->Base.PutRowRGB = put_row_rgb_DITHER8_ximage; - xrb->Base.PutMonoRow = put_mono_row_DITHER8_ximage; - xrb->Base.PutValues = put_values_DITHER8_ximage; - xrb->Base.PutMonoValues = put_mono_values_DITHER8_ximage; - } - else { - xrb->Base.PutRow = put_row_DITHER_ximage; - xrb->Base.PutRowRGB = put_row_rgb_DITHER_ximage; - xrb->Base.PutMonoRow = put_mono_row_DITHER_ximage; - xrb->Base.PutValues = put_values_DITHER_ximage; - xrb->Base.PutMonoValues = put_mono_values_DITHER_ximage; - } - } - break; - case PF_1Bit: - if (pixmap) { - xrb->Base.PutRow = put_row_1BIT_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_1BIT_pixmap; - xrb->Base.PutMonoRow = put_mono_row_1BIT_pixmap; - xrb->Base.PutValues = put_values_1BIT_pixmap; - xrb->Base.PutMonoValues = put_mono_values_1BIT_pixmap; - } - else { - xrb->Base.PutRow = put_row_1BIT_ximage; - xrb->Base.PutRowRGB = put_row_rgb_1BIT_ximage; - xrb->Base.PutMonoRow = put_mono_row_1BIT_ximage; - xrb->Base.PutValues = put_values_1BIT_ximage; - xrb->Base.PutMonoValues = put_mono_values_1BIT_ximage; - } - break; - case PF_HPCR: - if (pixmap) { - xrb->Base.PutRow = put_row_HPCR_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_HPCR_pixmap; - xrb->Base.PutMonoRow = put_mono_row_pixmap; - xrb->Base.PutValues = put_values_HPCR_pixmap; - xrb->Base.PutMonoValues = put_mono_values_pixmap; - } - else { - xrb->Base.PutRow = put_row_HPCR_ximage; - xrb->Base.PutRowRGB = put_row_rgb_HPCR_ximage; - xrb->Base.PutMonoRow = put_mono_row_HPCR_ximage; - xrb->Base.PutValues = put_values_HPCR_ximage; - xrb->Base.PutMonoValues = put_mono_values_HPCR_ximage; - } - break; - case PF_Lookup: - if (pixmap) { - xrb->Base.PutRow = put_row_LOOKUP_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_LOOKUP_pixmap; - xrb->Base.PutMonoRow = put_mono_row_pixmap; - xrb->Base.PutValues = put_values_LOOKUP_pixmap; - xrb->Base.PutMonoValues = put_mono_values_pixmap; - } - else { - if (depth==8) { - xrb->Base.PutRow = put_row_LOOKUP8_ximage; - xrb->Base.PutRowRGB = put_row_rgb_LOOKUP8_ximage; - xrb->Base.PutMonoRow = put_mono_row_LOOKUP8_ximage; - xrb->Base.PutValues = put_values_LOOKUP8_ximage; - xrb->Base.PutMonoValues = put_mono_values_LOOKUP8_ximage; - } - else { - xrb->Base.PutRow = put_row_LOOKUP_ximage; - xrb->Base.PutRowRGB = put_row_rgb_LOOKUP_ximage; - xrb->Base.PutMonoRow = put_mono_row_ximage; - xrb->Base.PutValues = put_values_LOOKUP_ximage; - xrb->Base.PutMonoValues = put_mono_values_ximage; - } - } - break; - case PF_Grayscale: - if (pixmap) { - xrb->Base.PutRow = put_row_GRAYSCALE_pixmap; - xrb->Base.PutRowRGB = put_row_rgb_GRAYSCALE_pixmap; - xrb->Base.PutMonoRow = put_mono_row_pixmap; - xrb->Base.PutValues = put_values_GRAYSCALE_pixmap; - xrb->Base.PutMonoValues = put_mono_values_pixmap; - } - else { - if (depth == 8) { - xrb->Base.PutRow = put_row_GRAYSCALE8_ximage; - xrb->Base.PutRowRGB = put_row_rgb_GRAYSCALE8_ximage; - xrb->Base.PutMonoRow = put_mono_row_GRAYSCALE8_ximage; - xrb->Base.PutValues = put_values_GRAYSCALE8_ximage; - xrb->Base.PutMonoValues = put_mono_values_GRAYSCALE8_ximage; - } - else { - xrb->Base.PutRow = put_row_GRAYSCALE_ximage; - xrb->Base.PutRowRGB = put_row_rgb_GRAYSCALE_ximage; - xrb->Base.PutMonoRow = put_mono_row_ximage; - xrb->Base.PutValues = put_values_GRAYSCALE_ximage; - xrb->Base.PutMonoValues = put_mono_values_ximage; - } - } - break; - default: - _mesa_problem(NULL, "Bad pixel format in xmesa_update_state (1)"); - return; - } - - - /* Get functions */ - if (pixelformat == PF_Index) { - xrb->Base.GetRow = get_row_ci; - xrb->Base.GetValues = get_values_ci; - } - else { - xrb->Base.GetRow = get_row_rgba; - xrb->Base.GetValues = get_values_rgba; - } -} - |