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 | 446 |
1 files changed, 223 insertions, 223 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_blit.c b/mesalib/src/mesa/state_tracker/st_cb_blit.c index 416be194d..282f84ec7 100644 --- a/mesalib/src/mesa/state_tracker/st_cb_blit.c +++ b/mesalib/src/mesa/state_tracker/st_cb_blit.c @@ -1,223 +1,223 @@ -/************************************************************************** - * - * 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; - } - - /* Disable conditional rendering. */ - if (st->render_condition) { - st->pipe->render_condition(st->pipe, NULL, 0); - } - - 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) - goto done; - - 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"); - } - } - } - -done: - /* Restore conditional rendering state. */ - if (st->render_condition) { - st->pipe->render_condition(st->pipe, st->render_condition, - st->condition_mode); - } -} - - -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;
+ }
+
+ /* Disable conditional rendering. */
+ if (st->render_condition) {
+ st->pipe->render_condition(st->pipe, NULL, 0);
+ }
+
+ 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)
+ goto done;
+
+ 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");
+ }
+ }
+ }
+
+done:
+ /* Restore conditional rendering state. */
+ if (st->render_condition) {
+ st->pipe->render_condition(st->pipe, st->render_condition,
+ st->condition_mode);
+ }
+}
+
+
+void
+st_init_blit_functions(struct dd_function_table *functions)
+{
+ functions->BlitFramebuffer = st_BlitFramebuffer;
+}
+
+#endif /* FEATURE_EXT_framebuffer_blit */
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