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

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• Hash : ed01473e
  Author :
  Date : 2020-09-12T13:01:05
  

  Vulkan: Fix blendEnable-02023 VU
  
  Enable BlendIntegerTest
  Add DrawBuffersTest.BlendWithGaps test
  Add BlendPackedTest
  
  Bug: angleproject:4548
  Bug: angleproject:4571
  Bug: angleproject:4583
  Change-Id: I139183099b26f0fe1ac9e43f96d18b8ccb134a2f
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2407772
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/tests/gl_tests/BlendIntegerTest.cpp

• //
  // Copyright 2020 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.
  //
  
  #include "test_utils/ANGLETest.h"
  #include "test_utils/gl_raii.h"
  
  using namespace angle;
  
  class BlendIntegerTest : public ANGLETest
  {
    protected:
      BlendIntegerTest()
      {
          setWindowWidth(128);
          setWindowHeight(128);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
      }
  
      template <typename T, GLuint components>
      void compareValue(const T *value, const char *name)
      {
          T pixel[4];
          glReadBuffer(GL_COLOR_ATTACHMENT0);
          glReadPixels(0, 0, 1, 1, GL_RGBA_INTEGER,
                       std::is_same<T, int32_t>::value ? GL_INT : GL_UNSIGNED_INT, pixel);
          for (size_t componentIdx = 0; componentIdx < components; componentIdx++)
          {
              EXPECT_EQ(value[componentIdx], pixel[componentIdx])
                  << " componentIdx=" << componentIdx << std::endl
                  << " " << name << "[0]=" << value[0] << " pixel[0]=" << pixel[0] << std::endl
                  << " " << name << "[1]=" << value[1] << " pixel[1]=" << pixel[1] << std::endl
                  << " " << name << "[2]=" << value[2] << " pixel[2]=" << pixel[2] << std::endl
                  << " " << name << "[3]=" << value[3] << " pixel[3]=" << pixel[3];
          }
      }
  
      template <GLenum internalformat, GLuint components, bool isSigned>
      void runTest()
      {
          constexpr char kFsui[] =
              "#version 300 es\n"
              "out highp uvec4 o_drawBuffer0;\n"
              "void main(void)\n"
              "{\n"
              "    o_drawBuffer0 = uvec4(1, 1, 1, 1);\n"
              "}\n";
  
          constexpr char kFssi[] =
              "#version 300 es\n"
              "out highp ivec4 o_drawBuffer0;\n"
              "void main(void)\n"
              "{\n"
              "    o_drawBuffer0 = ivec4(-1, -1, -1, -1);\n"
              "}\n";
  
          ANGLE_GL_PROGRAM(program, essl3_shaders::vs::Simple(), isSigned ? kFssi : kFsui);
          glUseProgram(program);
  
          GLFramebuffer framebuffer;
          glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
  
          GLRenderbuffer colorRenderbuffer;
          glBindRenderbuffer(GL_RENDERBUFFER, colorRenderbuffer);
          glRenderbufferStorage(GL_RENDERBUFFER, internalformat, getWindowWidth(), getWindowHeight());
          glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER,
                                    colorRenderbuffer);
  
          if (isSigned)
          {
              const int32_t clearValueSigned[4] = {-128, -128, -128, -128};
              glClearBufferiv(GL_COLOR, 0, clearValueSigned);
              ASSERT_GL_NO_ERROR();
              compareValue<int32_t, components>(clearValueSigned, "clearValueSigned");
          }
          else
          {
              const uint32_t clearValueUnsigned[4] = {127, 127, 127, 3};
              glClearBufferuiv(GL_COLOR, 0, clearValueUnsigned);
              ASSERT_GL_NO_ERROR();
              compareValue<uint32_t, components>(clearValueUnsigned, "clearValueUnsigned");
          }
  
          glEnable(GL_BLEND);
          glBlendEquation(GL_FUNC_ADD);
          glBlendFunc(GL_ONE, GL_ONE);
  
          drawQuad(program, essl3_shaders::PositionAttrib(), 0.5f);
  
          ASSERT_GL_NO_ERROR();
  
          // Enabled blending must be ignored for integer color attachment.
          if (isSigned)
          {
              const int32_t colorValueSigned[4] = {-1, -1, -1, -1};
              compareValue<int32_t, components>(colorValueSigned, "colorValueSigned");
          }
          else
          {
              const uint32_t colorValueUnsigned[4] = {1, 1, 1, 1};
              compareValue<uint32_t, components>(colorValueUnsigned, "colorValueUnsigned");
          }
      }
  };
  
  // Test that blending is not applied to signed integer attachments.
  TEST_P(BlendIntegerTest, R8I)
  {
      runTest<GL_R8I, 1, true>();
  }
  
  TEST_P(BlendIntegerTest, R16I)
  {
      runTest<GL_R16I, 1, true>();
  }
  
  TEST_P(BlendIntegerTest, R32I)
  {
      runTest<GL_R32I, 1, true>();
  }
  
  TEST_P(BlendIntegerTest, RG8I)
  {
      runTest<GL_RG8I, 2, true>();
  }
  
  TEST_P(BlendIntegerTest, RG16I)
  {
      runTest<GL_RG16I, 2, true>();
  }
  
  TEST_P(BlendIntegerTest, RG32I)
  {
      runTest<GL_RG32I, 2, true>();
  }
  
  TEST_P(BlendIntegerTest, RGBA8I)
  {
      runTest<GL_RGBA8I, 4, true>();
  }
  
  TEST_P(BlendIntegerTest, RGBA16I)
  {
      runTest<GL_RGBA16I, 4, true>();
  }
  
  TEST_P(BlendIntegerTest, RGBA32I)
  {
      runTest<GL_RGBA32I, 4, true>();
  }
  
  // Test that blending is not applied to unsigned integer attachments.
  TEST_P(BlendIntegerTest, R8UI)
  {
      runTest<GL_R8UI, 1, false>();
  }
  
  TEST_P(BlendIntegerTest, R16UI)
  {
      runTest<GL_R16UI, 1, false>();
  }
  
  TEST_P(BlendIntegerTest, R32UI)
  {
      runTest<GL_R32UI, 1, false>();
  }
  
  TEST_P(BlendIntegerTest, RG8UI)
  {
      runTest<GL_RG8UI, 2, false>();
  }
  
  TEST_P(BlendIntegerTest, RG16UI)
  {
      runTest<GL_RG16UI, 2, false>();
  }
  
  TEST_P(BlendIntegerTest, RG32UI)
  {
      runTest<GL_RG32UI, 2, false>();
  }
  
  TEST_P(BlendIntegerTest, RGBA8UI)
  {
      runTest<GL_RGBA8UI, 4, false>();
  }
  
  TEST_P(BlendIntegerTest, RGBA16UI)
  {
      runTest<GL_RGBA16UI, 4, false>();
  }
  
  TEST_P(BlendIntegerTest, RGBA32UI)
  {
      runTest<GL_RGBA32UI, 4, false>();
  }
  
  TEST_P(BlendIntegerTest, RGB10_A2UI)
  {
      runTest<GL_RGB10_A2UI, 4, false>();
  }
  
  // Use this to select which configurations (e.g. which renderer, which GLES major version) these
  // tests should be run against.
  ANGLE_INSTANTIATE_TEST_ES3(BlendIntegerTest);
  

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