Added a Renderer::getMaxSupportedFormatSamples method to query the max support samples for a specific internal texture format.

TRAC #23212

Signed-off-by: Jamie Madill
Signed-off-by: Shannon Woods
Author: Geoff Lang
diff --git a/src/libGLESv2/renderer/Renderer.h b/src/libGLESv2/renderer/Renderer.h
index e37c966..5d0b9d7 100644
--- a/src/libGLESv2/renderer/Renderer.h
+++ b/src/libGLESv2/renderer/Renderer.h
@@ -201,6 +201,7 @@
     virtual int getMaxSwapInterval() const = 0;
 
     virtual GLsizei getMaxSupportedSamples() const = 0;
+    virtual GLsizei getMaxSupportedFormatSamples(GLint internalFormat) const = 0;
 
     virtual unsigned int getMaxRenderTargets() const = 0;