blob: f14ee70558e3dd29a230696c93655fdf16a44003 [file] [log] [blame]
// Copyright (c) 2002-2016 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Emulate gl_FragColor broadcast behaviors in ES2 where
// GL_EXT_draw_buffers is explicitly enabled in a fragment shader.
#include <vector>
namespace sh
struct OutputVariable;
class TIntermBlock;
// Replace all gl_FragColor with gl_FragData[0], and in the end of main() function,
// assign gl_FragData[1] ... gl_FragData[maxDrawBuffers - 1] with gl_FragData[0].
// If gl_FragColor is in outputVariables, it is replaced by gl_FragData.
void EmulateGLFragColorBroadcast(TIntermBlock *root,
int maxDrawBuffers,
std::vector<OutputVariable> *outputVariables);