kc3-lang/angle/src/tests/gl_tests/ComputeShaderTest.cpp

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• Hash : 1f679cc6
  Author :
  Date : 2017-11-29T18:06:00
  

  Code refactoring for angle::BitSet and EXPECT_GL_TRUE/FALSE.
  
  This change refactors two style issues to make it be consistent.
  1) This CL uses "using" to replace "typedef" for all angle::BitSet<...>.
  2) This CL uses EXPECT_GL_TRUE/FALSE to replace EXPECT_EQ for bool comparison.
  
  BUG=angleproject:2005
  
  Change-Id: I4afad92313ea2457bbfedf80f917a5873d7f29ee
  Reviewed-on: https://chromium-review.googlesource.com/795871
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/tests/gl_tests/ComputeShaderTest.cpp

• //
  // Copyright 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.
  //
  // ComputeShaderTest:
  //   Compute shader specific tests.
  
  #include "test_utils/ANGLETest.h"
  #include "test_utils/gl_raii.h"
  #include <vector>
  
  using namespace angle;
  
  namespace
  {
  
  class ComputeShaderTest : public ANGLETest
  {
    protected:
      ComputeShaderTest() {}
  };
  
  class ComputeShaderTestES3 : public ANGLETest
  {
    protected:
      ComputeShaderTestES3() {}
  };
  
  // link a simple compute program. It should be successful.
  TEST_P(ComputeShaderTest, LinkComputeProgram)
  {
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=1) in;
          void main()
          {\
          })";
  
      ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
  
      EXPECT_GL_NO_ERROR();
  }
  
  // Link a simple compute program. Then detach the shader and dispatch compute.
  // It should be successful.
  TEST_P(ComputeShaderTest, DetachShaderAfterLinkSuccess)
  {
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=1) in;
          void main()
          {
          })";
  
      GLuint program = glCreateProgram();
  
      GLuint cs = CompileShader(GL_COMPUTE_SHADER, csSource);
      EXPECT_NE(0u, cs);
  
      glAttachShader(program, cs);
      glDeleteShader(cs);
  
      glLinkProgram(program);
      GLint linkStatus;
      glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
      EXPECT_GL_TRUE(linkStatus);
  
      glDetachShader(program, cs);
      EXPECT_GL_NO_ERROR();
  
      glUseProgram(program);
      glDispatchCompute(8, 4, 2);
      EXPECT_GL_NO_ERROR();
  }
  
  // link a simple compute program. There is no local size and linking should fail.
  TEST_P(ComputeShaderTest, LinkComputeProgramNoLocalSizeLinkError)
  {
      const std::string csSource =
          R"(#version 310 es
          void main()
          {
          })";
  
      GLuint program = CompileComputeProgram(csSource, false);
      EXPECT_EQ(0u, program);
  
      glDeleteProgram(program);
  
      EXPECT_GL_NO_ERROR();
  }
  
  // link a simple compute program.
  // make sure that uniforms and uniform samplers get recorded
  TEST_P(ComputeShaderTest, LinkComputeProgramWithUniforms)
  {
      const std::string csSource =
          R"(#version 310 es
          precision mediump sampler2D;
          layout(local_size_x=1) in;
          uniform int myUniformInt;
          uniform sampler2D myUniformSampler;
          layout(rgba32i) uniform highp writeonly iimage2D imageOut;
          void main()
          {
              int q = myUniformInt;
              vec4 v = textureLod(myUniformSampler, vec2(0.0), 0.0);
              imageStore(imageOut, ivec2(0), ivec4(v) * q);
          })";
  
      ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
  
      GLint uniformLoc = glGetUniformLocation(program.get(), "myUniformInt");
      EXPECT_NE(-1, uniformLoc);
  
      uniformLoc = glGetUniformLocation(program.get(), "myUniformSampler");
      EXPECT_NE(-1, uniformLoc);
  
      EXPECT_GL_NO_ERROR();
  }
  
  // Attach both compute and non-compute shaders. A link time error should occur.
  // OpenGL ES 3.10, 7.3 Program Objects
  TEST_P(ComputeShaderTest, AttachMultipleShaders)
  {
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=1) in;
          void main()
          {
          })";
  
      const std::string vsSource =
          R"(#version 310 es
          void main()
          {
          })";
  
      const std::string fsSource =
          R"(#version 310 es
          void main()
          {
          })";
  
      GLuint program = glCreateProgram();
  
      GLuint vs = CompileShader(GL_VERTEX_SHADER, vsSource);
      GLuint fs = CompileShader(GL_FRAGMENT_SHADER, fsSource);
      GLuint cs = CompileShader(GL_COMPUTE_SHADER, csSource);
  
      EXPECT_NE(0u, vs);
      EXPECT_NE(0u, fs);
      EXPECT_NE(0u, cs);
  
      glAttachShader(program, vs);
      glDeleteShader(vs);
  
      glAttachShader(program, fs);
      glDeleteShader(fs);
  
      glAttachShader(program, cs);
      glDeleteShader(cs);
  
      glLinkProgram(program);
  
      GLint linkStatus;
      glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
  
      EXPECT_GL_FALSE(linkStatus);
  
      EXPECT_GL_NO_ERROR();
  }
  
  // Attach a vertex, fragment and compute shader.
  // Query for the number of attached shaders and check the count.
  TEST_P(ComputeShaderTest, AttachmentCount)
  {
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=1) in;
          void main()
          {
          })";
  
      const std::string vsSource =
          R"(#version 310 es
          void main()
          {
          })";
  
      const std::string fsSource =
          R"(#version 310 es
          void main()
          {
          })";
  
      GLuint program = glCreateProgram();
  
      GLuint vs = CompileShader(GL_VERTEX_SHADER, vsSource);
      GLuint fs = CompileShader(GL_FRAGMENT_SHADER, fsSource);
      GLuint cs = CompileShader(GL_COMPUTE_SHADER, csSource);
  
      EXPECT_NE(0u, vs);
      EXPECT_NE(0u, fs);
      EXPECT_NE(0u, cs);
  
      glAttachShader(program, vs);
      glDeleteShader(vs);
  
      glAttachShader(program, fs);
      glDeleteShader(fs);
  
      glAttachShader(program, cs);
      glDeleteShader(cs);
  
      GLint numAttachedShaders;
      glGetProgramiv(program, GL_ATTACHED_SHADERS, &numAttachedShaders);
  
      EXPECT_EQ(3, numAttachedShaders);
  
      glDeleteProgram(program);
  
      EXPECT_GL_NO_ERROR();
  }
  
  // Attach a compute shader and link, but start rendering.
  TEST_P(ComputeShaderTest, StartRenderingWithComputeProgram)
  {
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=1) in;
          void main()
          {
          })";
  
      ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
      EXPECT_GL_NO_ERROR();
  
      glUseProgram(program);
      glDrawArrays(GL_POINTS, 0, 2);
      EXPECT_GL_ERROR(GL_INVALID_OPERATION);
  }
  
  // Attach a vertex and fragment shader and link, but dispatch compute.
  TEST_P(ComputeShaderTest, DispatchComputeWithRenderingProgram)
  {
      const std::string vsSource =
          R"(#version 310 es
          void main()
          {
          })";
  
      const std::string fsSource =
          R"(#version 310 es
          void main()
          {
          })";
  
      GLuint program = glCreateProgram();
  
      GLuint vs = CompileShader(GL_VERTEX_SHADER, vsSource);
      GLuint fs = CompileShader(GL_FRAGMENT_SHADER, fsSource);
  
      EXPECT_NE(0u, vs);
      EXPECT_NE(0u, fs);
  
      glAttachShader(program, vs);
      glDeleteShader(vs);
  
      glAttachShader(program, fs);
      glDeleteShader(fs);
  
      glLinkProgram(program);
  
      GLint linkStatus;
      glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
      EXPECT_GL_TRUE(linkStatus);
  
      EXPECT_GL_NO_ERROR();
  
      glUseProgram(program);
      glDispatchCompute(8, 4, 2);
      EXPECT_GL_ERROR(GL_INVALID_OPERATION);
  }
  
  // Access all compute shader special variables.
  TEST_P(ComputeShaderTest, AccessAllSpecialVariables)
  {
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=4, local_size_y=3, local_size_z=2) in;
          layout(rgba32ui) uniform highp writeonly uimage2D imageOut;
          void main()
          {
              uvec3 temp1 = gl_NumWorkGroups;
              uvec3 temp2 = gl_WorkGroupSize;
              uvec3 temp3 = gl_WorkGroupID;
              uvec3 temp4 = gl_LocalInvocationID;
              uvec3 temp5 = gl_GlobalInvocationID;
              uint  temp6 = gl_LocalInvocationIndex;
              imageStore(imageOut, ivec2(gl_LocalInvocationIndex, 0), uvec4(temp1 + temp2 + temp3 + temp4 + temp5, temp6));
          })";
  
      ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
  }
  
  // Access part compute shader special variables.
  TEST_P(ComputeShaderTest, AccessPartSpecialVariables)
  {
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=4, local_size_y=3, local_size_z=2) in;
          layout(rgba32ui) uniform highp writeonly uimage2D imageOut;
          void main()
          {
              uvec3 temp1 = gl_WorkGroupSize;
              uvec3 temp2 = gl_WorkGroupID;
              uint  temp3 = gl_LocalInvocationIndex;
              imageStore(imageOut, ivec2(gl_LocalInvocationIndex, 0), uvec4(temp1 + temp2, temp3));
          })";
  
      ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
  }
  
  // Use glDispatchCompute to define work group count.
  TEST_P(ComputeShaderTest, DispatchCompute)
  {
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=4, local_size_y=3, local_size_z=2) in;
          layout(rgba32ui) uniform highp writeonly uimage2D imageOut;
          void main()
          {
              uvec3 temp = gl_NumWorkGroups;
              imageStore(imageOut, ivec2(0), uvec4(temp, 0u));
          })";
  
      ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
  
      glUseProgram(program.get());
      glDispatchCompute(8, 4, 2);
      EXPECT_GL_NO_ERROR();
  }
  
  // Use image uniform to write texture in compute shader, and verify the content is expected.
  TEST_P(ComputeShaderTest, BindImageTexture)
  {
      ANGLE_SKIP_TEST_IF(IsD3D11());
  
      GLTexture mTexture[2];
      GLFramebuffer mFramebuffer;
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=2, local_size_y=2, local_size_z=1) in;
          layout(r32ui, binding = 0) writeonly uniform highp uimage2D uImage[2];
          void main()
          {
              imageStore(uImage[0], ivec2(gl_LocalInvocationIndex, gl_WorkGroupID.x), uvec4(100, 0,
          0, 0));
              imageStore(uImage[1], ivec2(gl_LocalInvocationIndex, gl_WorkGroupID.x), uvec4(100, 0,
          0, 0));
          })";
  
      ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
      glUseProgram(program.get());
      int width = 4, height = 2;
      GLuint inputValues[] = {200, 200, 200, 200, 200, 200, 200, 200};
  
      glBindTexture(GL_TEXTURE_2D, mTexture[0]);
      glTexStorage2D(GL_TEXTURE_2D, 1, GL_R32UI, width, height);
      glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, GL_RED_INTEGER, GL_UNSIGNED_INT,
                      inputValues);
      EXPECT_GL_NO_ERROR();
  
      glBindImageTexture(0, mTexture[0], 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_R32UI);
      EXPECT_GL_NO_ERROR();
  
      glBindTexture(GL_TEXTURE_2D, mTexture[1]);
      glTexStorage2D(GL_TEXTURE_2D, 1, GL_R32UI, width, height);
      glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, GL_RED_INTEGER, GL_UNSIGNED_INT,
                      inputValues);
      EXPECT_GL_NO_ERROR();
  
      glBindImageTexture(1, mTexture[1], 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_R32UI);
      EXPECT_GL_NO_ERROR();
  
      glDispatchCompute(2, 1, 1);
      EXPECT_GL_NO_ERROR();
  
      glUseProgram(0);
      GLuint outputValues[2][8];
      GLuint expectedValue = 100;
      glBindFramebuffer(GL_READ_FRAMEBUFFER, mFramebuffer);
  
      glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mTexture[0],
                             0);
      EXPECT_GL_NO_ERROR();
      glReadPixels(0, 0, width, height, GL_RED_INTEGER, GL_UNSIGNED_INT, outputValues[0]);
      EXPECT_GL_NO_ERROR();
  
      glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mTexture[1],
                             0);
      EXPECT_GL_NO_ERROR();
      glReadPixels(0, 0, width, height, GL_RED_INTEGER, GL_UNSIGNED_INT, outputValues[1]);
      EXPECT_GL_NO_ERROR();
  
      for (int i = 0; i < width * height; i++)
      {
          EXPECT_EQ(expectedValue, outputValues[0][i]);
          EXPECT_EQ(expectedValue, outputValues[1][i]);
      }
  }
  
  // When declare a image array without a binding qualifier, all elements are bound to unit zero.
  TEST_P(ComputeShaderTest, ImageArrayWithoutBindingQualifier)
  {
      ANGLE_SKIP_TEST_IF(IsD3D11());
  
      // TODO(xinghua.cao@intel.com): On AMD desktop OpenGL, bind two image variables to unit 0,
      // only one variable is valid.
      ANGLE_SKIP_TEST_IF(IsAMD() && IsDesktopOpenGL());
  
      GLTexture mTexture;
      GLFramebuffer mFramebuffer;
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=2, local_size_y=2, local_size_z=1) in;
          layout(r32ui) writeonly uniform highp uimage2D uImage[2];
          void main()
          {
              imageStore(uImage[0], ivec2(gl_LocalInvocationIndex, 0), uvec4(100, 0, 0, 0));
              imageStore(uImage[1], ivec2(gl_LocalInvocationIndex, 1), uvec4(100, 0, 0, 0));
          })";
  
      ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
      glUseProgram(program.get());
      constexpr int kTextureWidth = 4, kTextureHeight = 2;
      GLuint inputValues[] = {200, 200, 200, 200, 200, 200, 200, 200};
  
      glBindTexture(GL_TEXTURE_2D, mTexture);
      glTexStorage2D(GL_TEXTURE_2D, 1, GL_R32UI, kTextureWidth, kTextureHeight);
      glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, kTextureWidth, kTextureHeight, GL_RED_INTEGER,
                      GL_UNSIGNED_INT, inputValues);
      EXPECT_GL_NO_ERROR();
  
      glBindImageTexture(0, mTexture, 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_R32UI);
      glDispatchCompute(1, 1, 1);
      EXPECT_GL_NO_ERROR();
  
      glUseProgram(0);
      glBindFramebuffer(GL_READ_FRAMEBUFFER, mFramebuffer);
  
      glFramebufferTexture2D(GL_READ_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, mTexture, 0);
      GLuint outputValues[8];
      glReadPixels(0, 0, kTextureWidth, kTextureHeight, GL_RED_INTEGER, GL_UNSIGNED_INT,
                   outputValues);
      EXPECT_GL_NO_ERROR();
  
      GLuint expectedValue = 100;
      for (int i = 0; i < kTextureWidth * kTextureHeight; i++)
      {
          EXPECT_EQ(expectedValue, outputValues[i]);
      }
  }
  
  // imageLoad functions
  TEST_P(ComputeShaderTest, ImageLoad)
  {
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=8) in;
          layout(rgba8) uniform highp readonly image2D mImage2DInput;
          layout(rgba16i) uniform highp readonly iimageCube mImageCubeInput;
          layout(rgba32ui) uniform highp readonly uimage3D mImage3DInput;
          layout(r32i) uniform highp writeonly iimage2D imageOut;
          void main()
          {
              vec4 result2d = imageLoad(mImage2DInput, ivec2(gl_LocalInvocationID.xy));
              ivec4 resultCube = imageLoad(mImageCubeInput, ivec3(gl_LocalInvocationID.xyz));
              uvec4 result3d = imageLoad(mImage3DInput, ivec3(gl_LocalInvocationID.xyz));
              imageStore(imageOut, ivec2(gl_LocalInvocationIndex, 0), ivec4(result2d) + resultCube + ivec4(result3d));
          })";
  
      ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
      EXPECT_GL_NO_ERROR();
  }
  
  // imageStore functions
  TEST_P(ComputeShaderTest, ImageStore)
  {
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=8) in;
          layout(rgba16f) uniform highp writeonly imageCube mImageCubeOutput;
          layout(r32f) uniform highp writeonly image3D mImage3DOutput;
          layout(rgba8ui) uniform highp writeonly uimage2DArray mImage2DArrayOutput;
          void main()
          {
              imageStore(mImageCubeOutput, ivec3(gl_LocalInvocationID.xyz), vec4(0.0));
              imageStore(mImage3DOutput, ivec3(gl_LocalInvocationID.xyz), vec4(0.0));
              imageStore(mImage2DArrayOutput, ivec3(gl_LocalInvocationID.xyz), uvec4(0));
          })";
  
      ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
      EXPECT_GL_NO_ERROR();
  }
  
  // imageSize functions
  TEST_P(ComputeShaderTest, ImageSize)
  {
      const std::string csSource =
          R"(#version 310 es
          layout(local_size_x=8) in;
          layout(rgba8) uniform highp readonly imageCube mImageCubeInput;
          layout(r32i) uniform highp readonly iimage2D mImage2DInput;
          layout(rgba16ui) uniform highp readonly uimage2DArray mImage2DArrayInput;
          layout(r32i) uniform highp writeonly iimage2D imageOut;
          void main()
          {
              ivec2 sizeCube = imageSize(mImageCubeInput);
              ivec2 size2D = imageSize(mImage2DInput);
              ivec3 size2DArray = imageSize(mImage2DArrayInput);
              imageStore(imageOut, ivec2(gl_LocalInvocationIndex, 0), ivec4(sizeCube, size2D.x, size2DArray.x));
          })";
  
      ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
      EXPECT_GL_NO_ERROR();
  }
  
  // Check that it is not possible to create a compute shader when the context does not support ES
  // 3.10
  TEST_P(ComputeShaderTestES3, NotSupported)
  {
      GLuint computeShaderHandle = glCreateShader(GL_COMPUTE_SHADER);
      EXPECT_EQ(0u, computeShaderHandle);
      EXPECT_GL_ERROR(GL_INVALID_ENUM);
  }
  
  ANGLE_INSTANTIATE_TEST(ComputeShaderTest, ES31_OPENGL(), ES31_OPENGLES(), ES31_D3D11());
  ANGLE_INSTANTIATE_TEST(ComputeShaderTestES3, ES3_OPENGL(), ES3_OPENGLES());
  
  }  // namespace
  

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