| // |
| // Copyright 2015 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. |
| // |
| // Pack_Unpack_test.cpp: |
| // Tests for the emulating pack_unpack functions for GLSL. |
| // |
| |
| #include "GLSLANG/ShaderLang.h" |
| #include "angle_gl.h" |
| #include "gtest/gtest.h" |
| #include "tests/test_utils/compiler_test.h" |
| |
| using namespace sh; |
| |
| namespace |
| { |
| |
| class PackUnpackTest : public MatchOutputCodeTest |
| { |
| public: |
| PackUnpackTest() : MatchOutputCodeTest(GL_FRAGMENT_SHADER, 0, SH_GLSL_400_CORE_OUTPUT) {} |
| }; |
| |
| // Check if PackSnorm2x16 Emulation for GLSL < 4.2 compile correctly. |
| TEST_F(PackUnpackTest, PackSnorm2x16Emulation) |
| { |
| const std::string &shaderString = |
| R"(#version 300 es |
| precision mediump float; |
| layout(location = 0) out mediump vec4 fragColor; |
| void main() |
| { |
| vec2 v; |
| uint u = packSnorm2x16(v); |
| fragColor = vec4(u); |
| })"; |
| compile(shaderString); |
| ASSERT_TRUE(foundInCode("uint packSnorm2x16_emu(vec2 v)")); |
| } |
| |
| // Check if UnpackSnorm2x16 Emulation for GLSL < 4.2 compile correctly. |
| TEST_F(PackUnpackTest, UnpackSnorm2x16Emulation) |
| { |
| const std::string &shaderString = |
| R"(#version 300 es |
| precision mediump float; |
| layout(location = 0) out mediump vec4 fragColor; |
| void main() |
| { |
| uint u; |
| vec2 v = unpackSnorm2x16(u); |
| fragColor = vec4(v, 0.0, 0.0); |
| })"; |
| compile(shaderString); |
| ASSERT_TRUE(foundInCode("vec2 unpackSnorm2x16_emu(uint u)")); |
| } |
| |
| // Check if PackUnorm2x16 Emulation for GLSL < 4.1 compiles correctly. |
| TEST_F(PackUnpackTest, PackUnorm2x16Emulation) |
| { |
| const std::string &shaderString = |
| R"(#version 300 es |
| precision mediump float; |
| layout(location = 0) out mediump vec4 fragColor; |
| void main() |
| { |
| vec2 v; |
| uint u = packUnorm2x16(v); |
| fragColor = vec4(u); |
| })"; |
| compile(shaderString); |
| ASSERT_TRUE(foundInCode("uint packUnorm2x16_emu(vec2 v)")); |
| } |
| |
| // Check if UnpackSnorm2x16 Emulation for GLSL < 4.1 compiles correctly. |
| TEST_F(PackUnpackTest, UnpackUnorm2x16Emulation) |
| { |
| const std::string &shaderString = |
| R"(#version 300 es |
| precision mediump float; |
| layout(location = 0) out mediump vec4 fragColor; |
| void main() |
| { |
| uint u; |
| vec2 v = unpackUnorm2x16(u); |
| fragColor = vec4(v, 0.0, 0.0); |
| })"; |
| compile(shaderString); |
| ASSERT_TRUE(foundInCode("vec2 unpackUnorm2x16_emu(uint u)")); |
| } |
| |
| // Check if PackHalf2x16 Emulation for GLSL < 4.2 compiles correctly. |
| TEST_F(PackUnpackTest, PackHalf2x16Emulation) |
| { |
| const std::string &shaderString = |
| R"(#version 300 es |
| precision mediump float; |
| layout(location = 0) out mediump vec4 fragColor; |
| void main() |
| { |
| vec2 v; |
| uint u = packHalf2x16(v); |
| fragColor = vec4(u); |
| })"; |
| compile(shaderString); |
| ASSERT_TRUE(foundInCode("uint packHalf2x16_emu(vec2 v)")); |
| } |
| |
| // Check if UnpackHalf2x16 Emulation for GLSL < 4.2 compiles correctly. |
| TEST_F(PackUnpackTest, UnpackHalf2x16Emulation) |
| { |
| const std::string &shaderString = |
| R"(#version 300 es |
| precision mediump float; |
| layout(location = 0) out mediump vec4 fragColor; |
| void main() |
| { |
| uint u; |
| vec2 v = unpackHalf2x16(u); |
| fragColor = vec4(v, 0.0, 0.0); |
| })"; |
| compile(shaderString); |
| ASSERT_TRUE(foundInCode("vec2 unpackHalf2x16_emu(uint u)")); |
| } |
| |
| } // namespace |