diff options
| -rw-r--r-- | src/gpu/gl/GrGLGpu.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/gpu/gl/GrGLGpu.cpp b/src/gpu/gl/GrGLGpu.cpp index b7901400fb..51fc42b995 100644 --- a/src/gpu/gl/GrGLGpu.cpp +++ b/src/gpu/gl/GrGLGpu.cpp @@ -1210,8 +1210,27 @@ bool GrGLGpu::createStencilBufferForRenderTarget(GrRenderTarget* rt, int width, } GL_CALL(ClearStencil(0)); + // At least some versions of the SGX 54x driver can't handle clearing a stencil + // buffer without a color buffer and will crash. + GrGLuint tempRB = 0; + if (kPowerVR54x_GrGLRenderer == this->ctxInfo().renderer()) { + GL_CALL(GenRenderbuffers(1, &tempRB)); + GL_CALL(BindRenderbuffer(GR_GL_RENDERBUFFER, tempRB)); + GL_CALL(RenderbufferStorage(GR_GL_RENDERBUFFER, GR_GL_RGBA8, width, height)); + GL_CALL(FramebufferRenderbuffer(fboTarget, + GR_GL_COLOR_ATTACHMENT0, + GR_GL_RENDERBUFFER, tempRB)); + } + GL_CALL(Clear(GR_GL_STENCIL_BUFFER_BIT)); + if (tempRB) { + GL_CALL(FramebufferRenderbuffer(fboTarget, + GR_GL_COLOR_ATTACHMENT0, + GR_GL_RENDERBUFFER, 0)); + GL_CALL(DeleteRenderbuffers(1, &tempRB)); + } + // Unbind the SB from the FBO so that we don't keep it alive. GL_CALL(FramebufferRenderbuffer(fboTarget, GR_GL_STENCIL_ATTACHMENT, |