diff options
Diffstat (limited to 'src/mesa/state_tracker/st_cb_fbo.c')
| -rw-r--r-- | src/mesa/state_tracker/st_cb_fbo.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c index e55281a430..b1a56f3ca6 100644 --- a/src/mesa/state_tracker/st_cb_fbo.c +++ b/src/mesa/state_tracker/st_cb_fbo.c @@ -127,14 +127,37 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb, pipeFormat, flags); if (ret || !strb->surface->buffer) { - return GL_FALSE; /* out of memory, try s/w buffer? */ + if (pipeFormat == DEFAULT_ACCUM_PIPE_FORMAT) { + /* Accum buffer. Try a different surface format. Since accum + * buffers are s/w only for now, the surface pixel format doesn't + * really matter, only that the buffer is large enough. + */ + int sz, mult; + enum pipe_format accum_format; + + /* allocate a buffer of (typically) double height to get 64bpp */ + accum_format = st_choose_renderbuffer_format(pipe, GL_RGBA); + sz = pf_get_size(accum_format); + mult = pf_get_size(DEFAULT_ACCUM_PIPE_FORMAT) / sz; + + ret = pipe->winsys->surface_alloc_storage(pipe->winsys, + strb->surface, + width, height * mult, + accum_format, flags); + if (ret) + return GL_FALSE; /* we've _really_ failed */ + + } + else { + return GL_FALSE; /* out of memory, try s/w buffer? */ + } } ASSERT(strb->surface->buffer); ASSERT(strb->surface->format); ASSERT(strb->surface->cpp); ASSERT(strb->surface->width == width); - ASSERT(strb->surface->height == height); + /*ASSERT(strb->surface->height == height);*/ ASSERT(strb->surface->pitch); strb->Base.Width = width; @@ -252,7 +275,7 @@ st_new_renderbuffer_fb(enum pipe_format format) strb->Base.InternalFormat = GL_STENCIL_INDEX8_EXT; strb->Base._BaseFormat = GL_STENCIL_INDEX; break; - case PIPE_FORMAT_R16G16B16A16_SNORM: + case DEFAULT_ACCUM_PIPE_FORMAT: /*PIPE_FORMAT_R16G16B16A16_SNORM*/ strb->Base.InternalFormat = GL_RGBA16; strb->Base._BaseFormat = GL_RGBA; break; |