diff options
| -rw-r--r-- | src/gpu/gl/GrGLGpu.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/gpu/gl/GrGLGpu.cpp b/src/gpu/gl/GrGLGpu.cpp index fb82a54448..179391f3d9 100644 --- a/src/gpu/gl/GrGLGpu.cpp +++ b/src/gpu/gl/GrGLGpu.cpp @@ -3367,6 +3367,14 @@ static inline bool can_blit_framebuffer_for_copy_surface( return true; } +static bool rt_has_msaa_render_buffer(const GrGLRenderTarget* rt, const GrGLCaps& glCaps) { + // A RT has a separate MSAA renderbuffer if: + // 1) It's multisampled + // 2) We're using an extension with separate MSAA renderbuffers + // 3) It's not FBO 0, which is special and always auto-resolves + return rt->numColorSamples() > 0 && glCaps.usesMSAARenderBuffers() && rt->renderFBOID() != 0; +} + static inline bool can_copy_texsubimage(const GrSurface* dst, GrSurfaceOrigin dstOrigin, const GrSurface* src, GrSurfaceOrigin srcOrigin, const GrGLGpu* gpu) { @@ -3380,13 +3388,13 @@ static inline bool can_copy_texsubimage(const GrSurface* dst, GrSurfaceOrigin ds const GrGLRenderTarget* dstRT = static_cast<const GrGLRenderTarget*>(dst->asRenderTarget()); // If dst is multisampled (and uses an extension where there is a separate MSAA renderbuffer) // then we don't want to copy to the texture but to the MSAA buffer. - if (dstRT && dstRT->renderFBOID() != dstRT->textureFBOID()) { + if (dstRT && rt_has_msaa_render_buffer(dstRT, gpu->glCaps())) { return false; } const GrGLRenderTarget* srcRT = static_cast<const GrGLRenderTarget*>(src->asRenderTarget()); // If the src is multisampled (and uses an extension where there is a separate MSAA // renderbuffer) then it is an invalid operation to call CopyTexSubImage - if (srcRT && srcRT->renderFBOID() != srcRT->textureFBOID()) { + if (srcRT && rt_has_msaa_render_buffer(srcRT, gpu->glCaps())) { return false; } |