kc3-lang/angle/src/tests/compiler_tests/SamplerMultisample_test.cpp

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• Author : JiangYizhou
  Date : 2016-12-09 09:50:51
  Hash : 4021932f
  Message : translator: Add ES3.1 multisample texture support. Implement shader objects, [iu]sampler2DMS, textureSize(gsampler2DMS). as well as texelFetch(gsampler2DMS,P,sample) for the glsl. BUG=angleproject:1590 TEST=angle_unittests TEST=angle_end2end_tests Change-Id: I781023f7bec34ad0264af69f34bb182b50bd1fbd Reviewed-on: https://chromium-review.googlesource.com/423175 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Olli Etuaho <oetuaho@nvidia.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>

• src/tests/compiler_tests/SamplerMultisample_test.cpp

• //
  // Copyright (c) 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.
  //
  // SamplerMultisample_test.cpp:
  // Tests compiling shaders that use gsampler2DMS types
  //
  
  #include "angle_gl.h"
  #include "gtest/gtest.h"
  #include "GLSLANG/ShaderLang.h"
  #include "tests/test_utils/ShaderCompileTreeTest.h"
  
  using namespace sh;
  
  class SamplerMultisampleTest : public ShaderCompileTreeTest
  {
    public:
      SamplerMultisampleTest() {}
  
    protected:
      ::GLenum getShaderType() const override { return GL_FRAGMENT_SHADER; }
      ShShaderSpec getShaderSpec() const override { return SH_GLES3_1_SPEC; }
  };
  
  // checks whether compiler has parsed the gsampler2DMS, texelfetch qualifiers correctly
  TEST_F(SamplerMultisampleTest, TexelFetchSampler2DMSQualifier)
  {
      const std::string &shaderString =
          "#version 310 es\n"
          "precision highp float;\n"
          "uniform highp sampler2DMS s;\n"
          "uniform highp isampler2DMS is;\n"
          "uniform highp usampler2DMS us;\n"
          ""
          "void main() {\n"
          "    vec4 tex1 = texelFetch(s, ivec2(0, 0), 0);\n"
          "    ivec4 tex2 = texelFetch(is, ivec2(0, 0), 0);\n"
          "    uvec4 tex3 = texelFetch(us, ivec2(0, 0), 0);\n"
          "}\n";
  
      if (!compile(shaderString))
      {
          FAIL() << "Shader compilation failed, expecting success:\n" << mInfoLog;
      }
  }
  
  // checks whether compiler has parsed the gsampler2DMS, texturesize qualifiers correctly
  TEST_F(SamplerMultisampleTest, TextureSizeSampler2DMSQualifier)
  {
      const std::string &shaderString =
          "#version 310 es\n"
          "precision highp float;\n"
          "uniform highp sampler2DMS s;\n"
          "uniform highp isampler2DMS is;\n"
          "uniform highp usampler2DMS us;\n"
          ""
          "void main() {\n"
          "    ivec2 size = textureSize(s);\n"
          "    size = textureSize(is);\n"
          "    size = textureSize(us);\n"
          "}\n";
  
      if (!compile(shaderString))
      {
          FAIL() << "Shader compilation failed, expecting success:\n" << mInfoLog;
      }
  }
  
  // checks gsampler2DMS has no default precision
  TEST_F(SamplerMultisampleTest, NoPrecisionSampler2DMS)
  {
      const std::string &shaderString =
          "#version 310 es\n"
          "precision highp float;\n"
          "uniform sampler2DMS s;\n"
          "uniform isampler2DMS is;\n"
          "uniform usampler2DMS us;\n"
          ""
          "void main() {}\n";
  
      if (compile(shaderString))
      {
          FAIL() << "Shader compilation succeeded, expecting failure:\n" << mInfoLog;
      }
  }