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author | Liang Qi <liang.qi@qt.io> | 2018-10-26 10:28:24 +0000 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2018-10-26 10:28:24 +0000 |
commit | 00b2e45a97205975ee91aa43f00e3dbef1a8907b (patch) | |
tree | ed44e50bc893e87434d72470c2c809b1fb34de72 /src/3rdparty/angle/src/compiler/translator/EmulateGLFragColorBroadcast.h | |
parent | 9cd527bc1f384926985d63c741641316a66f17a4 (diff) | |
parent | e28e91ae99b8c3859899e04cc9370534c7c7b86d (diff) |
Merge "Merge remote-tracking branch 'origin/5.12' into dev" into refs/staging/dev
Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/EmulateGLFragColorBroadcast.h')
-rw-r--r-- | src/3rdparty/angle/src/compiler/translator/EmulateGLFragColorBroadcast.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/EmulateGLFragColorBroadcast.h b/src/3rdparty/angle/src/compiler/translator/EmulateGLFragColorBroadcast.h new file mode 100644 index 0000000000..e652b7e07e --- /dev/null +++ b/src/3rdparty/angle/src/compiler/translator/EmulateGLFragColorBroadcast.h @@ -0,0 +1,31 @@ +// +// 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. +// + +#ifndef COMPILER_TRANSLATOR_EMULATEGLFRAGCOLORBROADCAST_H_ +#define COMPILER_TRANSLATOR_EMULATEGLFRAGCOLORBROADCAST_H_ + +#include <vector> + +namespace sh +{ +struct OutputVariable; +class TIntermBlock; +class TSymbolTable; + +// 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, + TSymbolTable *symbolTable, + int shaderVersion); +} + +#endif // COMPILER_TRANSLATOR_EMULATEGLFRAGCOLORBROADCAST_H_ |