diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_blit.c')
| -rw-r--r-- | mesalib/src/mesa/state_tracker/st_cb_blit.c | 419 |
1 files changed, 211 insertions, 208 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_blit.c b/mesalib/src/mesa/state_tracker/st_cb_blit.c index 39499450d..25c95c7b9 100644 --- a/mesalib/src/mesa/state_tracker/st_cb_blit.c +++ b/mesalib/src/mesa/state_tracker/st_cb_blit.c @@ -1,208 +1,211 @@ -/**************************************************************************
- *
- * Copyright 2007 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.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Brian Paul
- */
-
-#include "main/imports.h"
-#include "main/image.h"
-#include "main/macros.h"
-#include "main/mfeatures.h"
-
-#include "st_context.h"
-#include "st_texture.h"
-#include "st_cb_blit.h"
-#include "st_cb_fbo.h"
-
-#include "util/u_blit.h"
-
-
-void
-st_init_blit(struct st_context *st)
-{
- st->blit = util_create_blit(st->pipe, st->cso_context);
-}
-
-
-void
-st_destroy_blit(struct st_context *st)
-{
- util_destroy_blit(st->blit);
- st->blit = NULL;
-}
-
-
-#if FEATURE_EXT_framebuffer_blit
-
-static void
-st_BlitFramebuffer(struct gl_context *ctx,
- GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
- GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
- GLbitfield mask, GLenum filter)
-{
- const GLbitfield depthStencil = (GL_DEPTH_BUFFER_BIT |
- GL_STENCIL_BUFFER_BIT);
- struct st_context *st = st_context(ctx);
- const uint pFilter = ((filter == GL_NEAREST)
- ? PIPE_TEX_MIPFILTER_NEAREST
- : PIPE_TEX_MIPFILTER_LINEAR);
- struct gl_framebuffer *readFB = ctx->ReadBuffer;
- struct gl_framebuffer *drawFB = ctx->DrawBuffer;
-
- if (!_mesa_clip_blit(ctx, &srcX0, &srcY0, &srcX1, &srcY1,
- &dstX0, &dstY0, &dstX1, &dstY1)) {
- return; /* nothing to draw/blit */
- }
-
- if (st_fb_orientation(drawFB) == Y_0_TOP) {
- /* invert Y for dest */
- dstY0 = drawFB->Height - dstY0;
- dstY1 = drawFB->Height - dstY1;
- }
-
- if (st_fb_orientation(readFB) == Y_0_TOP) {
- /* invert Y for src */
- srcY0 = readFB->Height - srcY0;
- srcY1 = readFB->Height - srcY1;
- }
-
- if (srcY0 > srcY1 && dstY0 > dstY1) {
- /* Both src and dst are upside down. Swap Y to make it
- * right-side up to increase odds of using a fast path.
- * Recall that all Gallium raster coords have Y=0=top.
- */
- GLint tmp;
- tmp = srcY0;
- srcY0 = srcY1;
- srcY1 = tmp;
- tmp = dstY0;
- dstY0 = dstY1;
- dstY1 = tmp;
- }
-
- if (mask & GL_COLOR_BUFFER_BIT) {
- struct gl_renderbuffer_attachment *srcAtt =
- &readFB->Attachment[readFB->_ColorReadBufferIndex];
-
- if(srcAtt->Type == GL_TEXTURE) {
- struct st_texture_object *srcObj =
- st_texture_object(srcAtt->Texture);
- struct st_renderbuffer *dstRb =
- st_renderbuffer(drawFB->_ColorDrawBuffers[0]);
- struct pipe_surface *dstSurf = dstRb->surface;
-
- if (!srcObj->pt)
- return;
-
- util_blit_pixels(st->blit, srcObj->pt, srcAtt->TextureLevel,
- srcX0, srcY0, srcX1, srcY1,
- srcAtt->Zoffset + srcAtt->CubeMapFace,
- dstSurf, dstX0, dstY0, dstX1, dstY1,
- 0.0, pFilter);
- }
- else {
- struct st_renderbuffer *srcRb =
- st_renderbuffer(readFB->_ColorReadBuffer);
- struct st_renderbuffer *dstRb =
- st_renderbuffer(drawFB->_ColorDrawBuffers[0]);
- struct pipe_surface *srcSurf = srcRb->surface;
- struct pipe_surface *dstSurf = dstRb->surface;
-
- util_blit_pixels(st->blit,
- srcRb->texture, srcSurf->u.tex.level,
- srcX0, srcY0, srcX1, srcY1,
- srcSurf->u.tex.first_layer,
- dstSurf, dstX0, dstY0, dstX1, dstY1,
- 0.0, pFilter);
- }
- }
-
- if (mask & depthStencil) {
- /* depth and/or stencil blit */
-
- /* get src/dst depth surfaces */
- struct gl_renderbuffer_attachment *srcDepth =
- &readFB->Attachment[BUFFER_DEPTH];
- struct gl_renderbuffer_attachment *dstDepth =
- &drawFB->Attachment[BUFFER_DEPTH];
- struct gl_renderbuffer_attachment *srcStencil =
- &readFB->Attachment[BUFFER_STENCIL];
- struct gl_renderbuffer_attachment *dstStencil =
- &drawFB->Attachment[BUFFER_STENCIL];
-
- struct st_renderbuffer *srcDepthRb =
- st_renderbuffer(readFB->Attachment[BUFFER_DEPTH].Renderbuffer);
- struct st_renderbuffer *dstDepthRb =
- st_renderbuffer(drawFB->Attachment[BUFFER_DEPTH].Renderbuffer);
- struct pipe_surface *dstDepthSurf =
- dstDepthRb ? dstDepthRb->surface : NULL;
-
- if ((mask & depthStencil) == depthStencil &&
- st_is_depth_stencil_combined(srcDepth, srcStencil) &&
- st_is_depth_stencil_combined(dstDepth, dstStencil)) {
-
- /* Blitting depth and stencil values between combined
- * depth/stencil buffers. This is the ideal case for such buffers.
- */
- util_blit_pixels(st->blit,
- srcDepthRb->texture,
- srcDepthRb->surface->u.tex.level,
- srcX0, srcY0, srcX1, srcY1,
- srcDepthRb->surface->u.tex.first_layer,
- dstDepthSurf, dstX0, dstY0, dstX1, dstY1,
- 0.0, pFilter);
- }
- else {
- /* blitting depth and stencil separately */
-
- if (mask & GL_DEPTH_BUFFER_BIT) {
- util_blit_pixels(st->blit, srcDepthRb->texture,
- srcDepthRb->surface->u.tex.level,
- srcX0, srcY0, srcX1, srcY1,
- srcDepthRb->surface->u.tex.first_layer,
- dstDepthSurf, dstX0, dstY0, dstX1, dstY1,
- 0.0, pFilter);
- }
-
- if (mask & GL_STENCIL_BUFFER_BIT) {
- /* blit stencil only */
- _mesa_problem(ctx, "st_BlitFramebuffer(STENCIL) not completed");
- }
- }
- }
-}
-
-
-void
-st_init_blit_functions(struct dd_function_table *functions)
-{
- functions->BlitFramebuffer = st_BlitFramebuffer;
-}
-
-#endif /* FEATURE_EXT_framebuffer_blit */
+/************************************************************************** + * + * Copyright 2007 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. + * + **************************************************************************/ + + /* + * Authors: + * Brian Paul + */ + +#include "main/imports.h" +#include "main/image.h" +#include "main/macros.h" +#include "main/mfeatures.h" + +#include "st_context.h" +#include "st_texture.h" +#include "st_cb_blit.h" +#include "st_cb_fbo.h" +#include "st_atom.h" + +#include "util/u_blit.h" + + +void +st_init_blit(struct st_context *st) +{ + st->blit = util_create_blit(st->pipe, st->cso_context); +} + + +void +st_destroy_blit(struct st_context *st) +{ + util_destroy_blit(st->blit); + st->blit = NULL; +} + + +#if FEATURE_EXT_framebuffer_blit + +static void +st_BlitFramebuffer(struct gl_context *ctx, + GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, + GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter) +{ + const GLbitfield depthStencil = (GL_DEPTH_BUFFER_BIT | + GL_STENCIL_BUFFER_BIT); + struct st_context *st = st_context(ctx); + const uint pFilter = ((filter == GL_NEAREST) + ? PIPE_TEX_MIPFILTER_NEAREST + : PIPE_TEX_MIPFILTER_LINEAR); + struct gl_framebuffer *readFB = ctx->ReadBuffer; + struct gl_framebuffer *drawFB = ctx->DrawBuffer; + + st_validate_state(st); + + if (!_mesa_clip_blit(ctx, &srcX0, &srcY0, &srcX1, &srcY1, + &dstX0, &dstY0, &dstX1, &dstY1)) { + return; /* nothing to draw/blit */ + } + + if (st_fb_orientation(drawFB) == Y_0_TOP) { + /* invert Y for dest */ + dstY0 = drawFB->Height - dstY0; + dstY1 = drawFB->Height - dstY1; + } + + if (st_fb_orientation(readFB) == Y_0_TOP) { + /* invert Y for src */ + srcY0 = readFB->Height - srcY0; + srcY1 = readFB->Height - srcY1; + } + + if (srcY0 > srcY1 && dstY0 > dstY1) { + /* Both src and dst are upside down. Swap Y to make it + * right-side up to increase odds of using a fast path. + * Recall that all Gallium raster coords have Y=0=top. + */ + GLint tmp; + tmp = srcY0; + srcY0 = srcY1; + srcY1 = tmp; + tmp = dstY0; + dstY0 = dstY1; + dstY1 = tmp; + } + + if (mask & GL_COLOR_BUFFER_BIT) { + struct gl_renderbuffer_attachment *srcAtt = + &readFB->Attachment[readFB->_ColorReadBufferIndex]; + + if(srcAtt->Type == GL_TEXTURE) { + struct st_texture_object *srcObj = + st_texture_object(srcAtt->Texture); + struct st_renderbuffer *dstRb = + st_renderbuffer(drawFB->_ColorDrawBuffers[0]); + struct pipe_surface *dstSurf = dstRb->surface; + + if (!srcObj->pt) + return; + + util_blit_pixels(st->blit, srcObj->pt, srcAtt->TextureLevel, + srcX0, srcY0, srcX1, srcY1, + srcAtt->Zoffset + srcAtt->CubeMapFace, + dstSurf, dstX0, dstY0, dstX1, dstY1, + 0.0, pFilter); + } + else { + struct st_renderbuffer *srcRb = + st_renderbuffer(readFB->_ColorReadBuffer); + struct st_renderbuffer *dstRb = + st_renderbuffer(drawFB->_ColorDrawBuffers[0]); + struct pipe_surface *srcSurf = srcRb->surface; + struct pipe_surface *dstSurf = dstRb->surface; + + util_blit_pixels(st->blit, + srcRb->texture, srcSurf->u.tex.level, + srcX0, srcY0, srcX1, srcY1, + srcSurf->u.tex.first_layer, + dstSurf, dstX0, dstY0, dstX1, dstY1, + 0.0, pFilter); + } + } + + if (mask & depthStencil) { + /* depth and/or stencil blit */ + + /* get src/dst depth surfaces */ + struct gl_renderbuffer_attachment *srcDepth = + &readFB->Attachment[BUFFER_DEPTH]; + struct gl_renderbuffer_attachment *dstDepth = + &drawFB->Attachment[BUFFER_DEPTH]; + struct gl_renderbuffer_attachment *srcStencil = + &readFB->Attachment[BUFFER_STENCIL]; + struct gl_renderbuffer_attachment *dstStencil = + &drawFB->Attachment[BUFFER_STENCIL]; + + struct st_renderbuffer *srcDepthRb = + st_renderbuffer(readFB->Attachment[BUFFER_DEPTH].Renderbuffer); + struct st_renderbuffer *dstDepthRb = + st_renderbuffer(drawFB->Attachment[BUFFER_DEPTH].Renderbuffer); + struct pipe_surface *dstDepthSurf = + dstDepthRb ? dstDepthRb->surface : NULL; + + if ((mask & depthStencil) == depthStencil && + st_is_depth_stencil_combined(srcDepth, srcStencil) && + st_is_depth_stencil_combined(dstDepth, dstStencil)) { + + /* Blitting depth and stencil values between combined + * depth/stencil buffers. This is the ideal case for such buffers. + */ + util_blit_pixels(st->blit, + srcDepthRb->texture, + srcDepthRb->surface->u.tex.level, + srcX0, srcY0, srcX1, srcY1, + srcDepthRb->surface->u.tex.first_layer, + dstDepthSurf, dstX0, dstY0, dstX1, dstY1, + 0.0, pFilter); + } + else { + /* blitting depth and stencil separately */ + + if (mask & GL_DEPTH_BUFFER_BIT) { + util_blit_pixels(st->blit, srcDepthRb->texture, + srcDepthRb->surface->u.tex.level, + srcX0, srcY0, srcX1, srcY1, + srcDepthRb->surface->u.tex.first_layer, + dstDepthSurf, dstX0, dstY0, dstX1, dstY1, + 0.0, pFilter); + } + + if (mask & GL_STENCIL_BUFFER_BIT) { + /* blit stencil only */ + _mesa_problem(ctx, "st_BlitFramebuffer(STENCIL) not completed"); + } + } + } +} + + +void +st_init_blit_functions(struct dd_function_table *functions) +{ + functions->BlitFramebuffer = st_BlitFramebuffer; +} + +#endif /* FEATURE_EXT_framebuffer_blit */ |