Cleanup.

src/bgfx.cpp

@@ -1496,7 +1496,7 @@ namespace bgfx
 
 			case CommandBuffer::DestroyProgram:
 				{
-					FragmentShaderHandle handle;
+					ProgramHandle handle;
 					_cmdbuf.read(handle);
 
 					rendererDestroyProgram(handle);

src/bgfx_p.h

@@ -2637,7 +2637,7 @@ namespace bgfx
 		void rendererCreateFragmentShader(FragmentShaderHandle _handle, Memory* _mem);
 		void rendererDestroyFragmentShader(FragmentShaderHandle _handle);
 		void rendererCreateProgram(ProgramHandle _handle, VertexShaderHandle _vsh, FragmentShaderHandle _fsh);
-		void rendererDestroyProgram(FragmentShaderHandle _handle);
+		void rendererDestroyProgram(ProgramHandle _handle);
 		void rendererCreateTexture(TextureHandle _handle, Memory* _mem, uint32_t _flags, uint8_t _skip);
 		void rendererUpdateTextureBegin(TextureHandle _handle, uint8_t _side, uint8_t _mip);
 		void rendererUpdateTexture(TextureHandle _handle, uint8_t _side, uint8_t _mip, const Rect& _rect, uint16_t _z, uint16_t _depth, uint16_t _pitch, const Memory* _mem);

src/renderer_d3d11.cpp

@@ -2248,7 +2248,7 @@ namespace bgfx
 		s_renderCtx->m_program[_handle.idx].create(s_renderCtx->m_vertexShaders[_vsh.idx], s_renderCtx->m_fragmentShaders[_fsh.idx]);
 	}
 
-	void Context::rendererDestroyProgram(FragmentShaderHandle _handle)
+	void Context::rendererDestroyProgram(ProgramHandle _handle)
 	{
 		s_renderCtx->m_program[_handle.idx].destroy();
 	}

src/renderer_gl.cpp

@@ -293,6 +293,7 @@ namespace bgfx
 			MOZ_WEBGL_compressed_texture_s3tc,
 			MOZ_WEBGL_depth_texture,
 
+			NV_draw_buffers,
 			NVX_gpu_memory_info,
 
 			OES_compressed_ETC1_RGB8_texture,
@@ -423,6 +424,7 @@ namespace bgfx
 		{ "MOZ_WEBGL_compressed_texture_s3tc",     false,                             true  },
 		{ "MOZ_WEBGL_depth_texture",               false,                             true  },
 
+		{ "NV_draw_buffers",                       false,                             true  }, // GLES2 extension.
 		{ "NVX_gpu_memory_info",                   false,                             true  },
 
 		{ "OES_compressed_ETC1_RGB8_texture",      false,                             true  },
@@ -3225,7 +3227,7 @@ namespace bgfx
 		s_renderCtx->m_program[_handle.idx].create(s_renderCtx->m_vertexShaders[_vsh.idx], isValid(_fsh) ? s_renderCtx->m_fragmentShaders[_fsh.idx] : dummyFragmentShader);
 	}
 
-	void Context::rendererDestroyProgram(FragmentShaderHandle _handle)
+	void Context::rendererDestroyProgram(ProgramHandle _handle)
 	{
 		s_renderCtx->m_program[_handle.idx].destroy();
 	}

src/renderer_null.cpp

@@ -101,7 +101,7 @@ namespace bgfx
 	{
 	}
 
-	void Context::rendererDestroyProgram(FragmentShaderHandle /*_handle*/)
+	void Context::rendererDestroyProgram(ProgramHandle /*_handle*/)
 	{
 	}