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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_pixel.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_pixel.c490
1 files changed, 0 insertions, 490 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_pixel.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_pixel.c
deleted file mode 100644
index e56e46b4d..000000000
--- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_pixel.c
+++ /dev/null
@@ -1,490 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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, sub license, 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 (including the
- * next paragraph) 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 "glheader.h"
-#include "enums.h"
-#include "mtypes.h"
-#include "macros.h"
-#include "swrast/swrast.h"
-
-#include "intel_screen.h"
-#include "intel_context.h"
-#include "intel_ioctl.h"
-#include "intel_batchbuffer.h"
-
-
-
-static GLboolean
-check_color( const GLcontext *ctx, GLenum type, GLenum format,
- const struct gl_pixelstore_attrib *packing,
- const void *pixels, GLint sz, GLint pitch )
-{
- intelContextPtr intel = INTEL_CONTEXT(ctx);
- GLuint cpp = intel->intelScreen->cpp;
-
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- if ( (pitch & 63) ||
- ctx->_ImageTransferState ||
- packing->SwapBytes ||
- packing->LsbFirst) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s: failed 1\n", __FUNCTION__);
- return GL_FALSE;
- }
-
- if ( type == GL_UNSIGNED_INT_8_8_8_8_REV &&
- cpp == 4 &&
- format == GL_BGRA ) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s: passed 2\n", __FUNCTION__);
- return GL_TRUE;
- }
-
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s: failed\n", __FUNCTION__);
-
- return GL_FALSE;
-}
-
-static GLboolean
-check_color_per_fragment_ops( const GLcontext *ctx )
-{
- int result;
- result = (!( ctx->Color.AlphaEnabled ||
- ctx->Depth.Test ||
- ctx->Fog.Enabled ||
- ctx->Scissor.Enabled ||
- ctx->Stencil.Enabled ||
- !ctx->Color.ColorMask[0] ||
- !ctx->Color.ColorMask[1] ||
- !ctx->Color.ColorMask[2] ||
- !ctx->Color.ColorMask[3] ||
- ctx->Color.ColorLogicOpEnabled ||
- ctx->Texture._EnabledUnits ||
- ctx->Depth.OcclusionTest
- ) &&
- ctx->Current.RasterPosValid);
-
- return result;
-}
-
-
-
-static GLboolean
-clip_pixelrect( const GLcontext *ctx,
- const GLframebuffer *buffer,
- GLint *x, GLint *y,
- GLsizei *width, GLsizei *height,
- GLint *size )
-{
- intelContextPtr intel = INTEL_CONTEXT(ctx);
-
- /* left clipping */
- if (*x < buffer->_Xmin) {
- *width -= (buffer->_Xmin - *x);
- *x = buffer->_Xmin;
- }
-
- /* right clipping */
- if (*x + *width > buffer->_Xmax)
- *width -= (*x + *width - buffer->_Xmax - 1);
-
- if (*width <= 0)
- return GL_FALSE;
-
- /* bottom clipping */
- if (*y < buffer->_Ymin) {
- *height -= (buffer->_Ymin - *y);
- *y = buffer->_Ymin;
- }
-
- /* top clipping */
- if (*y + *height > buffer->_Ymax)
- *height -= (*y + *height - buffer->_Ymax - 1);
-
- if (*height <= 0)
- return GL_FALSE;
-
- *size = ((*y + *height - 1) * intel->intelScreen->frontPitch +
- (*x + *width - 1) * intel->intelScreen->cpp);
-
- return GL_TRUE;
-}
-
-static GLboolean
-intelTryReadPixels( GLcontext *ctx,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const struct gl_pixelstore_attrib *pack,
- GLvoid *pixels )
-{
- intelContextPtr intel = INTEL_CONTEXT(ctx);
- GLint size = 0;
- GLint pitch = pack->RowLength ? pack->RowLength : width;
-
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- /* Only accelerate reading to agp buffers.
- */
- if ( !intelIsAgpMemory(intel, pixels,
- pitch * height * intel->intelScreen->cpp ) ) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s: dest not agp\n", __FUNCTION__);
- return GL_FALSE;
- }
-
- /* Need GL_PACK_INVERT_MESA to cope with upsidedown results from
- * blitter:
- */
- if (!pack->Invert) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s: MESA_PACK_INVERT not set\n", __FUNCTION__);
- return GL_FALSE;
- }
-
- if (!check_color(ctx, type, format, pack, pixels, size, pitch))
- return GL_FALSE;
-
- switch ( intel->intelScreen->cpp ) {
- case 4:
- break;
- default:
- return GL_FALSE;
- }
-
-
- /* Although the blits go on the command buffer, need to do this and
- * fire with lock held to guarentee cliprects and drawOffset are
- * correct.
- *
- * This is an unusual situation however, as the code which flushes
- * a full command buffer expects to be called unlocked. As a
- * workaround, immediately flush the buffer on aquiring the lock.
- */
- intelFlush( &intel->ctx );
- LOCK_HARDWARE( intel );
- {
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- int nbox = dPriv->numClipRects;
- int src_offset = intel->drawOffset;
- int src_pitch = intel->intelScreen->frontPitch;
- int dst_offset = intelAgpOffsetFromVirtual( intel, pixels);
- drm_clip_rect_t *box = dPriv->pClipRects;
- int i;
-
- if (!clip_pixelrect(ctx, ctx->ReadBuffer, &x, &y, &width, &height,
- &size)) {
- UNLOCK_HARDWARE( intel );
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s totally clipped -- nothing to do\n",
- __FUNCTION__);
- return GL_TRUE;
- }
-
-
- y = dPriv->h - y - height;
- x += dPriv->x;
- y += dPriv->y;
-
-
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "readpixel blit src_pitch %d dst_pitch %d\n",
- src_pitch, pitch);
-
- for (i = 0 ; i < nbox ; i++)
- {
- GLint bx = box[i].x1;
- GLint by = box[i].y1;
- GLint bw = box[i].x2 - bx;
- GLint bh = box[i].y2 - by;
-
- if (bx < x) bw -= x - bx, bx = x;
- if (by < y) bh -= y - by, by = y;
- if (bx + bw > x + width) bw = x + width - bx;
- if (by + bh > y + height) bh = y + height - by;
- if (bw <= 0) continue;
- if (bh <= 0) continue;
-
- intelEmitCopyBlitLocked( intel,
- intel->intelScreen->cpp,
- src_pitch, src_offset,
- pitch, dst_offset,
- bx, by,
- bx - x, by - y,
- bw, bh );
- }
- }
- UNLOCK_HARDWARE( intel );
- intelFinish( &intel->ctx );
-
- return GL_TRUE;
-}
-
-static void
-intelReadPixels( GLcontext *ctx,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const struct gl_pixelstore_attrib *pack,
- GLvoid *pixels )
-{
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- if (!intelTryReadPixels( ctx, x, y, width, height, format, type, pack,
- pixels))
- _swrast_ReadPixels( ctx, x, y, width, height, format, type, pack,
- pixels);
-}
-
-
-
-
-static void do_draw_pix( GLcontext *ctx,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLint pitch,
- const void *pixels,
- GLuint dest )
-{
- intelContextPtr intel = INTEL_CONTEXT(ctx);
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- drm_clip_rect_t *box = dPriv->pClipRects;
- int nbox = dPriv->numClipRects;
- int i;
- int size;
- int src_offset = intelAgpOffsetFromVirtual( intel, pixels);
- int src_pitch = pitch;
-
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- intelFlush( &intel->ctx );
- LOCK_HARDWARE( intel );
- if (ctx->DrawBuffer)
- {
- y -= height; /* cope with pixel zoom */
-
- if (!clip_pixelrect(ctx, ctx->DrawBuffer,
- &x, &y, &width, &height,
- &size)) {
- UNLOCK_HARDWARE( intel );
- return;
- }
-
- y = dPriv->h - y - height; /* convert from gl to hardware coords */
- x += dPriv->x;
- y += dPriv->y;
-
-
- for (i = 0 ; i < nbox ; i++ )
- {
- GLint bx = box[i].x1;
- GLint by = box[i].y1;
- GLint bw = box[i].x2 - bx;
- GLint bh = box[i].y2 - by;
-
- if (bx < x) bw -= x - bx, bx = x;
- if (by < y) bh -= y - by, by = y;
- if (bx + bw > x + width) bw = x + width - bx;
- if (by + bh > y + height) bh = y + height - by;
- if (bw <= 0) continue;
- if (bh <= 0) continue;
-
- intelEmitCopyBlitLocked( intel,
- intel->intelScreen->cpp,
- src_pitch, src_offset,
- intel->intelScreen->frontPitch,
- intel->drawOffset,
- bx - x, by - y,
- bx, by,
- bw, bh );
- }
- }
- UNLOCK_HARDWARE( intel );
- intelFinish( &intel->ctx );
-}
-
-
-
-
-static GLboolean
-intelTryDrawPixels( GLcontext *ctx,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const struct gl_pixelstore_attrib *unpack,
- const GLvoid *pixels )
-{
- intelContextPtr intel = INTEL_CONTEXT(ctx);
- GLint pitch = unpack->RowLength ? unpack->RowLength : width;
- GLuint dest;
- GLuint cpp = intel->intelScreen->cpp;
- GLint size = width * pitch * cpp;
-
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- switch (format) {
- case GL_RGB:
- case GL_RGBA:
- case GL_BGRA:
- dest = intel->drawOffset;
-
- /* Planemask doesn't have full support in blits.
- */
- if (!ctx->Color.ColorMask[RCOMP] ||
- !ctx->Color.ColorMask[GCOMP] ||
- !ctx->Color.ColorMask[BCOMP] ||
- !ctx->Color.ColorMask[ACOMP]) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s: planemask\n", __FUNCTION__);
- return GL_FALSE;
- }
-
- /* Can't do conversions on agp reads/draws.
- */
- if ( !intelIsAgpMemory( intel, pixels, size ) ) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s: not agp memory\n", __FUNCTION__);
- return GL_FALSE;
- }
-
- if (!check_color(ctx, type, format, unpack, pixels, size, pitch)) {
- return GL_FALSE;
- }
- if (!check_color_per_fragment_ops(ctx)) {
- return GL_FALSE;
- }
-
- if (ctx->Pixel.ZoomX != 1.0F ||
- ctx->Pixel.ZoomY != -1.0F)
- return GL_FALSE;
- break;
-
- default:
- return GL_FALSE;
- }
-
- if ( intelIsAgpMemory(intel, pixels, size) )
- {
- do_draw_pix( ctx, x, y, width, height, pitch, pixels,
- dest );
- return GL_TRUE;
- }
- else if (0)
- {
- /* Pixels is in regular memory -- get dma buffers and perform
- * upload through them. No point doing this for regular uploads
- * but once we remove some of the restrictions above (colormask,
- * pixelformat conversion, zoom?, etc), this could be a win.
- */
- }
- else
- return GL_FALSE;
-}
-
-static void
-intelDrawPixels( GLcontext *ctx,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const struct gl_pixelstore_attrib *unpack,
- const GLvoid *pixels )
-{
- if (INTEL_DEBUG & DEBUG_PIXEL)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
- if (!intelTryDrawPixels( ctx, x, y, width, height, format, type,
- unpack, pixels ))
- _swrast_DrawPixels( ctx, x, y, width, height, format, type,
- unpack, pixels );
-}
-
-
-
-
-/**
- * Implement glCopyPixels for the front color buffer (or back buffer Pixmap)
- * for the color buffer. Don't support zooming, pixel transfer, etc.
- * We do support copying from one window to another, ala glXMakeCurrentRead.
- */
-static void
-intelCopyPixels( GLcontext *ctx,
- GLint srcx, GLint srcy, GLsizei width, GLsizei height,
- GLint destx, GLint desty, GLenum type )
-{
-#if 0
- const XMesaContext xmesa = XMESA_CONTEXT(ctx);
- const SWcontext *swrast = SWRAST_CONTEXT( ctx );
- XMesaDisplay *dpy = xmesa->xm_visual->display;
- const XMesaDrawable drawBuffer = xmesa->xm_draw_buffer->buffer;
- const XMesaDrawable readBuffer = xmesa->xm_read_buffer->buffer;
- const XMesaGC gc = xmesa->xm_draw_buffer->gc;
-
- ASSERT(dpy);
- ASSERT(gc);
-
- if (drawBuffer && /* buffer != 0 means it's a Window or Pixmap */
- readBuffer &&
- type == GL_COLOR &&
- (swrast->_RasterMask & ~CLIP_BIT) == 0 && /* no blend, z-test, etc */
- ctx->_ImageTransferState == 0 && /* no color tables, scale/bias, etc */
- ctx->Pixel.ZoomX == 1.0 && /* no zooming */
- ctx->Pixel.ZoomY == 1.0) {
- /* Note: we don't do any special clipping work here. We could,
- * but X will do it for us.
- */
- srcy = FLIP(xmesa->xm_read_buffer, srcy) - height + 1;
- desty = FLIP(xmesa->xm_draw_buffer, desty) - height + 1;
- XCopyArea(dpy, readBuffer, drawBuffer, gc,
- srcx, srcy, width, height, destx, desty);
- }
-#else
- _swrast_CopyPixels(ctx, srcx, srcy, width, height, destx, desty, type );
-#endif
-}
-
-
-
-
-void intelInitPixelFuncs( struct dd_function_table *functions )
-{
- /* Pixel path fallbacks.
- */
- functions->Accum = _swrast_Accum;
- functions->Bitmap = _swrast_Bitmap;
- functions->CopyPixels = intelCopyPixels;
-
- if (!getenv("INTEL_NO_BLITS")) {
- functions->ReadPixels = intelReadPixels;
- functions->DrawPixels = intelDrawPixels;
- }
- else {
- functions->ReadPixels = _swrast_ReadPixels;
- functions->DrawPixels = _swrast_DrawPixels;
- }
-}
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