diff options
Diffstat (limited to 'src/gpu/gl/GrGLGpu.h')
| -rw-r--r-- | src/gpu/gl/GrGLGpu.h | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/src/gpu/gl/GrGLGpu.h b/src/gpu/gl/GrGLGpu.h index 409aae8f43..4f3b37ee9d 100644 --- a/src/gpu/gl/GrGLGpu.h +++ b/src/gpu/gl/GrGLGpu.h @@ -153,7 +153,7 @@ private: GrRenderTarget* onWrapBackendRenderTarget(const GrBackendRenderTargetDesc&, GrWrapOwnership) override; // Given a GrPixelConfig return the index into the stencil format array on GrGLCaps to a - // compatible stencil format. + // compatible stencil format, or negative if there is no compatible stencil format. int getCompatibleStencilIndex(GrPixelConfig config); void onClear(GrRenderTarget*, const SkIRect& rect, GrColor color) override; @@ -541,18 +541,27 @@ private: struct ConfigEntry { // Default constructor inits to known bad GL enum values. - ConfigEntry() { memset(this, 0xAB, sizeof(ConfigEntry)); } + ConfigEntry() { + memset(this, 0xAB, sizeof(ConfigEntry)); + fStencilFormatIndex = kUnknown_StencilIndex; + } GrGLenum fBaseInternalFormat; GrGLenum fSizedInternalFormat; GrGLenum fExternalFormat; GrGLenum fExternalType; - }; - ConfigEntry fConfigTable[kLast_GrPixelConfig + 1]; + // Index into GrGLCaps's list of stencil formats. Support is determined experimentally and + // lazily. + int fStencilFormatIndex; + enum { + // This indicates that a stencil format has not yet been determined for the config. + kUnknown_StencilIndex = -1, + // This indicates that there is no supported stencil format for the config. + kUnsupported_StencilFormatIndex = -2 + }; + }; - // Mapping of pixel configs to known supported stencil formats to be used - // when adding a stencil buffer to a framebuffer. - int fPixelConfigToStencilIndex[kGrPixelConfigCnt]; + ConfigEntry fConfigTable[kGrPixelConfigCnt]; typedef GrGpu INHERITED; friend class GrGLPathRendering; // For accessing setTextureUnit. |