Added getter methods to renderer for checking maximum uniform and transform feedback buffers.

src/libGLESv2/renderer/Renderer.h

@@ -161,6 +161,9 @@ class Renderer
     virtual unsigned int getMaxVertexUniformVectors() const = 0;
     virtual unsigned int getMaxFragmentUniformVectors() const = 0;
     virtual unsigned int getMaxVaryingVectors() const = 0;
+    virtual unsigned int getMaxVertexShaderUniformBuffers() const = 0;
+    virtual unsigned int getMaxFragmentShaderUniformBuffers() const = 0;
+    virtual unsigned int getMaxTransformFeedbackBuffers() const = 0;
     virtual bool getNonPower2TextureSupport() const = 0;
     virtual bool getDepthTextureSupport() const = 0;
     virtual bool getOcclusionQuerySupport() const = 0;

src/libGLESv2/renderer/Renderer11.cpp

@@ -2191,6 +2191,48 @@ unsigned int Renderer11::getMaxVaryingVectors() const
     }
 }
 
+unsigned int Renderer11::getMaxVertexShaderUniformBuffers() const
+{
+    switch (mFeatureLevel)
+    {
+      case D3D_FEATURE_LEVEL_11_0:
+        return D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT;
+      case D3D_FEATURE_LEVEL_10_1:
+      case D3D_FEATURE_LEVEL_10_0:
+        return D3D10_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT;
+      default: UNREACHABLE();
+        return 0;
+    }
+}
+
+unsigned int Renderer11::getMaxFragmentShaderUniformBuffers() const
+{
+    switch (mFeatureLevel)
+    {
+      case D3D_FEATURE_LEVEL_11_0:
+        return D3D11_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT;
+      case D3D_FEATURE_LEVEL_10_1:
+      case D3D_FEATURE_LEVEL_10_0:
+        return D3D10_COMMONSHADER_CONSTANT_BUFFER_API_SLOT_COUNT;
+      default: UNREACHABLE();
+        return 0;
+    }
+}
+
+unsigned int Renderer11::getMaxTransformFeedbackBuffers() const
+{
+    switch (mFeatureLevel)
+    {
+      case D3D_FEATURE_LEVEL_11_0:
+        return D3D11_SO_BUFFER_SLOT_COUNT;
+      case D3D_FEATURE_LEVEL_10_1:
+      case D3D_FEATURE_LEVEL_10_0:
+        return D3D10_SO_BUFFER_SLOT_COUNT;
+      default: UNREACHABLE();
+        return 0;
+    }
+}
+
 bool Renderer11::getNonPower2TextureSupport() const
 {
     switch (mFeatureLevel)

src/libGLESv2/renderer/Renderer11.h

@@ -108,6 +108,9 @@ class Renderer11 : public Renderer
     virtual unsigned int getMaxVertexUniformVectors() const;
     virtual unsigned int getMaxFragmentUniformVectors() const;
     virtual unsigned int getMaxVaryingVectors() const;
+    virtual unsigned int getMaxVertexShaderUniformBuffers() const;
+    virtual unsigned int getMaxFragmentShaderUniformBuffers() const;
+    virtual unsigned int getMaxTransformFeedbackBuffers() const;
     virtual bool getNonPower2TextureSupport() const;
     virtual bool getDepthTextureSupport() const;
     virtual bool getOcclusionQuerySupport() const;

src/libGLESv2/renderer/Renderer9.cpp

@@ -2316,6 +2316,21 @@ unsigned int Renderer9::getMaxVaryingVectors() const
     return (getMajorShaderModel() >= 3) ? MAX_VARYING_VECTORS_SM3 : MAX_VARYING_VECTORS_SM2;
 }
 
+unsigned int Renderer9::getMaxVertexShaderUniformBuffers() const
+{
+    return 0;
+}
+
+unsigned int Renderer9::getMaxFragmentShaderUniformBuffers() const
+{
+    return 0;
+}
+
+unsigned int Renderer9::getMaxTransformFeedbackBuffers() const
+{
+    return 0;
+}
+
 bool Renderer9::getNonPower2TextureSupport() const
 {
     return mSupportsNonPower2Textures;

src/libGLESv2/renderer/Renderer9.h

@@ -123,6 +123,9 @@ class Renderer9 : public Renderer
     virtual unsigned int getMaxVertexUniformVectors() const;
     virtual unsigned int getMaxFragmentUniformVectors() const;
     virtual unsigned int getMaxVaryingVectors() const;
+    virtual unsigned int getMaxVertexShaderUniformBuffers() const;
+    virtual unsigned int getMaxFragmentShaderUniformBuffers() const;
+    virtual unsigned int getMaxTransformFeedbackBuffers() const;
     virtual bool getNonPower2TextureSupport() const;
     virtual bool getDepthTextureSupport() const;
     virtual bool getOcclusionQuerySupport() const;