diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_pixel.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_pixel.c | 492 |
1 files changed, 0 insertions, 492 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_pixel.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_pixel.c deleted file mode 100644 index adc6a2aa2..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_pixel.c +++ /dev/null @@ -1,492 +0,0 @@ -/* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_pixel.c,v 1.2 2002/12/16 16:18:54 dawes Exp $ */ -/* -Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. - -The Weather Channel (TM) funded Tungsten Graphics to develop the -initial release of the Radeon 8500 driver under the XFree86 license. -This notice must be preserved. - -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 (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 NONINFRINGEMENT. -IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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. -*/ - -/* - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ - -#include "glheader.h" -#include "enums.h" -#include "mtypes.h" -#include "macros.h" -#include "swrast/swrast.h" - -#include "r200_context.h" -#include "r200_ioctl.h" -#include "r200_pixel.h" -#include "r200_swtcl.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 ) -{ - r200ContextPtr rmesa = R200_CONTEXT(ctx); - GLuint cpp = rmesa->r200Screen->cpp; - - if (R200_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s\n", __FUNCTION__); - - if ( (pitch & 63) || - ctx->_ImageTransferState || - packing->SwapBytes || - packing->LsbFirst) { - if (R200_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 (R200_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s: passed 2\n", __FUNCTION__); - return GL_TRUE; - } - - if (R200_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 ) -{ - r200ContextPtr rmesa = R200_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) * rmesa->r200Screen->frontPitch + - (*x + *width - 1) * rmesa->r200Screen->cpp); - - return GL_TRUE; -} - -static GLboolean -r200TryReadPixels( GLcontext *ctx, - GLint x, GLint y, GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *pack, - GLvoid *pixels ) -{ - r200ContextPtr rmesa = R200_CONTEXT(ctx); - GLint pitch = pack->RowLength ? pack->RowLength : width; - GLint blit_format; - GLuint cpp = rmesa->r200Screen->cpp; - GLint size = width * height * cpp; - - if (R200_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s\n", __FUNCTION__); - - /* Only accelerate reading to GART buffers. - */ - if ( !r200IsGartMemory(rmesa, pixels, - pitch * height * rmesa->r200Screen->cpp ) ) { - if (R200_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s: dest not GART\n", __FUNCTION__); - return GL_FALSE; - } - - /* Need GL_PACK_INVERT_MESA to cope with upsidedown results from - * blitter: - */ - if (!pack->Invert) { - if (R200_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 ( rmesa->r200Screen->cpp ) { - case 4: - blit_format = R200_CP_COLOR_FORMAT_ARGB8888; - 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. - */ - LOCK_HARDWARE( rmesa ); - - if (rmesa->store.cmd_used) - r200FlushCmdBufLocked( rmesa, __FUNCTION__ ); - - if (!clip_pixelrect(ctx, ctx->ReadBuffer, &x, &y, &width, &height, - &size)) { - UNLOCK_HARDWARE( rmesa ); - if (R200_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s totally clipped -- nothing to do\n", - __FUNCTION__); - return GL_TRUE; - } - - { - __DRIdrawablePrivate *dPriv = rmesa->dri.drawable; - int nbox = dPriv->numClipRects; - int src_offset = rmesa->state.color.drawOffset - + rmesa->r200Screen->fbLocation; - int src_pitch = rmesa->state.color.drawPitch * rmesa->r200Screen->cpp; - int dst_offset = r200GartOffsetFromVirtual( rmesa, pixels ); - int dst_pitch = pitch * rmesa->r200Screen->cpp; - drm_clip_rect_t *box = dPriv->pClipRects; - int i; - - r200EmitWait( rmesa, RADEON_WAIT_3D ); - - y = dPriv->h - y - height; - x += dPriv->x; - y += dPriv->y; - - - if (R200_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "readpixel blit src_pitch %d dst_pitch %d\n", - src_pitch, dst_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; - - r200EmitBlit( rmesa, - blit_format, - src_pitch, src_offset, - dst_pitch, dst_offset, - bx, by, - bx - x, by - y, - bw, bh ); - } - - r200FlushCmdBufLocked( rmesa, __FUNCTION__ ); - } - UNLOCK_HARDWARE( rmesa ); - - r200Finish( ctx ); /* required by GL */ - - return GL_TRUE; -} - -static void -r200ReadPixels( GLcontext *ctx, - GLint x, GLint y, GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *pack, - GLvoid *pixels ) -{ - if (R200_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s\n", __FUNCTION__); - - if (!r200TryReadPixels( 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 planemask) -{ - r200ContextPtr rmesa = R200_CONTEXT(ctx); - __DRIdrawablePrivate *dPriv = rmesa->dri.drawable; - drm_clip_rect_t *box = dPriv->pClipRects; - int nbox = dPriv->numClipRects; - int i; - int blit_format; - int size; - int src_offset = r200GartOffsetFromVirtual( rmesa, pixels ); - int src_pitch = pitch * rmesa->r200Screen->cpp; - - if (R200_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s\n", __FUNCTION__); - - switch ( rmesa->r200Screen->cpp ) { - case 2: - blit_format = R200_CP_COLOR_FORMAT_RGB565; - break; - case 4: - blit_format = R200_CP_COLOR_FORMAT_ARGB8888; - break; - default: - return; - } - - - LOCK_HARDWARE( rmesa ); - - if (rmesa->store.cmd_used) - r200FlushCmdBufLocked( rmesa, __FUNCTION__ ); - - y -= height; /* cope with pixel zoom */ - - if (!clip_pixelrect(ctx, ctx->DrawBuffer, - &x, &y, &width, &height, - &size)) { - UNLOCK_HARDWARE( rmesa ); - return; - } - - y = dPriv->h - y - height; /* convert from gl to hardware coords */ - x += dPriv->x; - y += dPriv->y; - - - r200EmitWait( rmesa, RADEON_WAIT_3D ); - - 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; - - r200EmitBlit( rmesa, - blit_format, - src_pitch, src_offset, - rmesa->state.color.drawPitch * rmesa->r200Screen->cpp, - rmesa->state.color.drawOffset + rmesa->r200Screen->fbLocation, - bx - x, by - y, - bx, by, - bw, bh ); - } - - r200FlushCmdBufLocked( rmesa, __FUNCTION__ ); - r200WaitForIdleLocked( rmesa ); /* required by GL */ - UNLOCK_HARDWARE( rmesa ); -} - - - - -static GLboolean -r200TryDrawPixels( GLcontext *ctx, - GLint x, GLint y, GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid *pixels ) -{ - r200ContextPtr rmesa = R200_CONTEXT(ctx); - GLint pitch = unpack->RowLength ? unpack->RowLength : width; - GLuint planemask; - GLuint cpp = rmesa->r200Screen->cpp; - GLint size = width * pitch * cpp; - - if (R200_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s\n", __FUNCTION__); - - switch (format) { - case GL_RGB: - case GL_RGBA: - case GL_BGRA: - planemask = r200PackColor(cpp, - ctx->Color.ColorMask[RCOMP], - ctx->Color.ColorMask[GCOMP], - ctx->Color.ColorMask[BCOMP], - ctx->Color.ColorMask[ACOMP]); - - if (cpp == 2) - planemask |= planemask << 16; - - if (planemask != ~0) - return GL_FALSE; /* fix me -- should be possible */ - - /* Can't do conversions on GART reads/draws. - */ - if ( !r200IsGartMemory( rmesa, pixels, size ) ) { - if (R200_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s: not GART 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 ( r200IsGartMemory(rmesa, pixels, size) ) - { - do_draw_pix( ctx, x, y, width, height, pitch, pixels, planemask ); - return GL_TRUE; - } - else if (0) - { - /* Pixels is in regular memory -- get dma buffers and perform - * upload through them. - */ - } - else - return GL_FALSE; -} - -static void -r200DrawPixels( GLcontext *ctx, - GLint x, GLint y, GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid *pixels ) -{ - if (R200_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s\n", __FUNCTION__); - - if (!r200TryDrawPixels( ctx, x, y, width, height, format, type, - unpack, pixels )) - _swrast_DrawPixels( ctx, x, y, width, height, format, type, - unpack, pixels ); -} - - -static void -r200Bitmap( GLcontext *ctx, GLint px, GLint py, - GLsizei width, GLsizei height, - const struct gl_pixelstore_attrib *unpack, - const GLubyte *bitmap ) -{ - r200ContextPtr rmesa = R200_CONTEXT(ctx); - - if (rmesa->Fallback) - _swrast_Bitmap( ctx, px, py, width, height, unpack, bitmap ); - else - r200PointsBitmap( ctx, px, py, width, height, unpack, bitmap ); -} - - - -void r200InitPixelFuncs( GLcontext *ctx ) -{ - /* Pixel path fallbacks. - */ - ctx->Driver.Accum = _swrast_Accum; - ctx->Driver.Bitmap = _swrast_Bitmap; - ctx->Driver.CopyPixels = _swrast_CopyPixels; - ctx->Driver.DrawPixels = _swrast_DrawPixels; - ctx->Driver.ReadPixels = _swrast_ReadPixels; - - if (!getenv("R200_NO_BLITS") && R200_CONTEXT(ctx)->dri.drmMinor >= 6) { - ctx->Driver.ReadPixels = r200ReadPixels; - ctx->Driver.DrawPixels = r200DrawPixels; - if (getenv("R200_HW_BITMAP")) - ctx->Driver.Bitmap = r200Bitmap; - } -} |