#include "main/imports.h"
#include "main/image.h"
#include "main/macros.h"
-#include "main/texformat.h"
#include "shader/program.h"
-#include "shader/prog_parameter.h"
-#include "shader/prog_print.h"
#include "st_context.h"
-#include "st_program.h"
+#include "st_texture.h"
#include "st_cb_blit.h"
#include "st_cb_fbo.h"
#include "util/u_blit.h"
-
-#include "cso_cache/cso_context.h"
+#include "util/u_inlines.h"
void
}
+#if FEATURE_EXT_framebuffer_blit
static void
st_BlitFramebuffer(GLcontext *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 = ctx->st;
-
+ struct pipe_context *pipe = st->pipe;
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 st_renderbuffer *srcRb =
- st_renderbuffer(ctx->ReadBuffer->_ColorReadBuffer);
- struct st_renderbuffer *dstRb =
- st_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0]);
- struct pipe_surface *srcSurf = srcRb->surface;
- struct pipe_surface *dstSurf = dstRb->surface;
-
- if (st_fb_orientation(ctx->DrawBuffer) == Y_0_TOP) {
- /* invert Y */
- srcY0 = srcRb->Base.Height - srcY0;
- srcY1 = srcRb->Base.Height - srcY1;
-
- dstY0 = dstRb->Base.Height - dstY0;
- dstY1 = dstRb->Base.Height - dstY1;
+ struct gl_renderbuffer_attachment *srcAtt =
+ &readFB->Attachment[readFB->_ColorReadBufferIndex];
+
+ if(srcAtt->Type == GL_TEXTURE) {
+ struct pipe_screen *screen = pipe->screen;
+ struct st_texture_object *srcObj =
+ st_texture_object(srcAtt->Texture);
+ struct st_renderbuffer *dstRb =
+ st_renderbuffer(drawFB->_ColorDrawBuffers[0]);
+ struct pipe_surface *srcSurf;
+ struct pipe_surface *dstSurf = dstRb->surface;
+
+ if (!srcObj->pt)
+ return;
+
+ srcSurf = screen->get_tex_surface(screen,
+ srcObj->pt,
+ srcAtt->CubeMapFace,
+ srcAtt->TextureLevel,
+ srcAtt->Zoffset,
+ PIPE_BUFFER_USAGE_GPU_READ);
+ if(!srcSurf)
+ return;
+
+ util_blit_pixels(st->blit,
+ srcSurf, st_get_stobj_sampler_view(srcObj),
+ srcX0, srcY0, srcX1, srcY1,
+ dstSurf, dstX0, dstY0, dstX1, dstY1,
+ 0.0, pFilter);
+
+ pipe_surface_reference(&srcSurf, NULL);
}
+ 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_sampler_view *srcView = st_renderbuffer_get_sampler_view(srcRb, pipe);
+ struct pipe_surface *dstSurf = dstRb->surface;
+
+ util_blit_pixels(st->blit,
+ srcSurf, srcView, srcX0, srcY0, srcX1, srcY1,
+ dstSurf, dstX0, dstY0, dstX1, dstY1,
+ 0.0, pFilter);
+ }
+ }
- util_blit_pixels(st->blit,
- srcSurf, srcX0, srcY0, srcX1, srcY1,
- dstSurf, dstX0, dstY0, dstX1, dstY1,
- 0.0, pFilter);
-
+ if (mask & depthStencil) {
+ /* depth and/or stencil blit */
+
+ /* get src/dst depth surfaces */
+ 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 *srcDepthSurf =
+ srcDepthRb ? srcDepthRb->surface : NULL;
+ struct pipe_surface *dstDepthSurf =
+ dstDepthRb ? dstDepthRb->surface : NULL;
+
+ /* get src/dst stencil surfaces */
+ struct st_renderbuffer *srcStencilRb =
+ st_renderbuffer(readFB->Attachment[BUFFER_STENCIL].Renderbuffer);
+ struct st_renderbuffer *dstStencilRb =
+ st_renderbuffer(drawFB->Attachment[BUFFER_STENCIL].Renderbuffer);
+ struct pipe_surface *srcStencilSurf =
+ srcStencilRb ? srcStencilRb->surface : NULL;
+ struct pipe_surface *dstStencilSurf =
+ dstStencilRb ? dstStencilRb->surface : NULL;
+
+ if ((mask & depthStencil) == depthStencil &&
+ srcDepthSurf == srcStencilSurf &&
+ dstDepthSurf == dstStencilSurf) {
+ struct pipe_sampler_view *srcView = st_renderbuffer_get_sampler_view(srcDepthRb, pipe);
+
+ /* Blitting depth and stencil values between combined
+ * depth/stencil buffers. This is the ideal case for such buffers.
+ */
+ util_blit_pixels(st->blit,
+ srcDepthSurf, srcView, srcX0, srcY0, srcX1, srcY1,
+ dstDepthSurf, dstX0, dstY0, dstX1, dstY1,
+ 0.0, pFilter);
+ }
+ else {
+ /* blitting depth and stencil separately */
+
+ if (mask & GL_DEPTH_BUFFER_BIT) {
+ /* blit Z only */
+ _mesa_problem(ctx, "st_BlitFramebuffer(DEPTH) not completed");
+ }
+
+ if (mask & GL_STENCIL_BUFFER_BIT) {
+ /* blit stencil only */
+ _mesa_problem(ctx, "st_BlitFramebuffer(STENCIL) not completed");
+ }
+ }
}
}
+#endif /* FEATURE_EXT_framebuffer_blit */
projects / mesa.git / blobdiff