Move the internal format check for compressed subImage commands to the API layer

src/libGLESv2/Texture.cpp

@@ -1569,12 +1569,6 @@ bool Texture::subImageCompressed(GLint xoffset, GLint yoffset, GLsizei width, GL
         return false;
     }
 
-    if (format != getInternalFormat())
-    {
-        error(GL_INVALID_OPERATION);
-        return false;
-    }
-
     if (pixels != NULL)
     {
         image->loadCompressedData(xoffset, yoffset, width, height, pixels);

src/libGLESv2/libGLESv2.cpp

@@ -1094,7 +1094,7 @@ void __stdcall glCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffs
             if (target == GL_TEXTURE_2D)
             {
                 gl::Texture2D *texture = context->getTexture2D();
-                if (validateSubImageParams(true, width, height, xoffset, yoffset, level, GL_NONE, texture))
+                if (validateSubImageParams(true, width, height, xoffset, yoffset, level, format, texture))
                 {
                     texture->subImageCompressed(level, xoffset, yoffset, width, height, format, imageSize, data);
                 }
@@ -1102,7 +1102,7 @@ void __stdcall glCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffs
             else if (gl::IsCubemapTextureTarget(target))
             {
                 gl::TextureCubeMap *texture = context->getTextureCubeMap();
-                if (validateSubImageParams(true, width, height, xoffset, yoffset, level, GL_NONE, texture))
+                if (validateSubImageParams(true, width, height, xoffset, yoffset, level, format, texture))
                 {
                     texture->subImageCompressed(target, level, xoffset, yoffset, width, height, format, imageSize, data);
                 }