Add an applyNativeWorkarounds context impl hook.

src/libANGLE/Context.cpp

@@ -2810,6 +2810,9 @@ void Context::updateCaps()
 
 void Context::initWorkarounds()
 {
+    // Apply back-end workarounds.
+    mImplementation->applyNativeWorkarounds(&mWorkarounds);
+
     // Lose the context upon out of memory error if the application is
     // expecting to watch for those events.
     mWorkarounds.loseContextOnOutOfMemory = (mResetStrategy == GL_LOSE_CONTEXT_ON_RESET_EXT);

src/libANGLE/renderer/ContextImpl.h

@@ -19,6 +19,7 @@
 namespace gl
 {
 class Path;
+struct Workarounds;
 }
 
 namespace rx
@@ -150,6 +151,8 @@ class ContextImpl : public GLImplFactory
     virtual const gl::Extensions &getNativeExtensions() const      = 0;
     virtual const gl::Limitations &getNativeLimitations() const    = 0;
 
+    virtual void applyNativeWorkarounds(gl::Workarounds *workarounds) const {}
+
     virtual gl::Error dispatchCompute(const gl::Context *context,
                                       GLuint numGroupsX,
                                       GLuint numGroupsY,

src/libANGLE/renderer/gl/ContextGL.cpp

@@ -380,6 +380,11 @@ const gl::Limitations &ContextGL::getNativeLimitations() const
     return mRenderer->getNativeLimitations();
 }
 
+void ContextGL::applyNativeWorkarounds(gl::Workarounds *workarounds) const
+{
+    return mRenderer->applyNativeWorkarounds(workarounds);
+}
+
 const FunctionsGL *ContextGL::getFunctions() const
 {
     return mRenderer->getFunctions();

src/libANGLE/renderer/gl/ContextGL.h

@@ -183,6 +183,8 @@ class ContextGL : public ContextImpl
     const gl::Extensions &getNativeExtensions() const override;
     const gl::Limitations &getNativeLimitations() const override;
 
+    void applyNativeWorkarounds(gl::Workarounds *workarounds) const override;
+
     // Handle helpers
     const FunctionsGL *getFunctions() const;
     StateManagerGL *getStateManager();

src/libANGLE/renderer/gl/RendererGL.cpp

@@ -655,6 +655,12 @@ const gl::Limitations &RendererGL::getNativeLimitations() const
     return mNativeLimitations;
 }
 
+void RendererGL::applyNativeWorkarounds(gl::Workarounds *workarounds) const
+{
+    ensureCapsInitialized();
+    nativegl_gl::ApplyWorkarounds(mFunctions, workarounds);
+}
+
 gl::Error RendererGL::dispatchCompute(const gl::Context *context,
                                       GLuint numGroupsX,
                                       GLuint numGroupsY,

src/libANGLE/renderer/gl/RendererGL.h

@@ -19,6 +19,7 @@ namespace gl
 class ContextState;
 struct IndexRange;
 class Path;
+struct Workarounds;
 }
 
 namespace egl
@@ -165,6 +166,7 @@ class RendererGL : angle::NonCopyable
     const gl::TextureCapsMap &getNativeTextureCaps() const;
     const gl::Extensions &getNativeExtensions() const;
     const gl::Limitations &getNativeLimitations() const;
+    void applyNativeWorkarounds(gl::Workarounds *workarounds) const;
 
     gl::Error dispatchCompute(const gl::Context *context,
                               GLuint numGroupsX,

src/libANGLE/renderer/gl/renderergl_utils.cpp

@@ -14,6 +14,7 @@
 #include "common/mathutil.h"
 #include "libANGLE/Buffer.h"
 #include "libANGLE/Caps.h"
+#include "libANGLE/Workarounds.h"
 #include "libANGLE/formatutils.h"
 #include "libANGLE/renderer/gl/FunctionsGL.h"
 #include "libANGLE/renderer/gl/QueryGL.h"
@@ -1030,6 +1031,11 @@ void GenerateWorkarounds(const FunctionsGL *functions, WorkaroundsGL *workaround
 #endif
 }
 
+void ApplyWorkarounds(const FunctionsGL *functions, gl::Workarounds *workarounds)
+{
+    // TODO(jmadill): Workarounds for GL.
+}
+
 }  // namespace nativegl_gl
 
 namespace nativegl

src/libANGLE/renderer/gl/renderergl_utils.h

@@ -25,6 +25,7 @@ struct Caps;
 class TextureCapsMap;
 struct Extensions;
 struct Version;
+struct Workarounds;
 }
 
 namespace rx
@@ -46,6 +47,7 @@ void GenerateCaps(const FunctionsGL *functions,
                   gl::Version *maxSupportedESVersion);
 
 void GenerateWorkarounds(const FunctionsGL *functions, WorkaroundsGL *workarounds);
+void ApplyWorkarounds(const FunctionsGL *functions, gl::Workarounds *workarounds);
 }
 
 namespace nativegl