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

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• Author : Yuly Novikov
  Date : 2021-03-02 19:04:57
  Hash : a6b16d29
  Message : Suppress UNINSTANTIATED_PARAMETERIZED_TEST failures on Ozone We only support ES2 on Ozone, so tests that depend on ES3 or ES31 support are not instantiated there. Bug: chromium:1183147 Change-Id: Id58bcd9b44a5b9a70b5ae8115e27c44f5dc81226 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2726550 Reviewed-by: Jonah Ryan-Davis <jonahr@google.com> Commit-Queue: Yuly Novikov <ynovikov@chromium.org>

• src/tests/gl_tests/WEBGLVideoTextureTest.cpp

• //
  // Copyright 2019 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;
  
  namespace
  {
  
  class WEBGLVideoTextureTest : public ANGLETest
  {
    protected:
      WEBGLVideoTextureTest()
      {
          setWindowWidth(128);
          setWindowHeight(128);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
      }
  };
  
  class WEBGLVideoTextureES300Test : public ANGLETest
  {
    protected:
      WEBGLVideoTextureES300Test()
      {
          setWindowWidth(128);
          setWindowHeight(128);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
      }
  };
  
  // Test to verify samplerVideoWEBGL works fine when extension is enabled.
  TEST_P(WEBGLVideoTextureTest, VerifySamplerVideoWEBGL)
  {
      ANGLE_SKIP_TEST_IF(!EnsureGLExtensionEnabled("GL_WEBGL_video_texture"));
  
      constexpr char kVS[] = R"(
  attribute vec2 position;
  varying mediump vec2 texCoord;
  void main()
  {
      gl_Position = vec4(position, 0, 1);
      texCoord = position * 0.5 + vec2(0.5);
  })";
  
      constexpr char kFS[] = R"(
  
  #extension GL_WEBGL_video_texture : require
  precision mediump float;
  varying mediump vec2 texCoord;
  uniform mediump samplerVideoWEBGL s;
  void main()
  {
      gl_FragColor = textureVideoWEBGL(s, texCoord);
  })";
  
      ANGLE_GL_PROGRAM(program, kVS, kFS);
      // Initialize basic red texture.
      const std::vector<GLColor> redColors(4, GLColor::red);
      GLTexture texture;
      glBindTexture(GL_TEXTURE_VIDEO_IMAGE_WEBGL, texture);
      glTexImage2D(GL_TEXTURE_VIDEO_IMAGE_WEBGL, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                   redColors.data());
      glTexParameteri(GL_TEXTURE_VIDEO_IMAGE_WEBGL, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
      glTexParameteri(GL_TEXTURE_VIDEO_IMAGE_WEBGL, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
  
      ASSERT_GL_NO_ERROR();
  
      drawQuad(program, "position", 0.0f);
      EXPECT_PIXEL_RECT_EQ(0, 0, getWindowWidth(), getWindowHeight(), GLColor::red);
      glBindTexture(GL_TEXTURE_VIDEO_IMAGE_WEBGL, 0);
      ASSERT_GL_NO_ERROR();
  }
  
  // Test to verify samplerVideoWEBGL works fine as parameter of user defined function
  // when extension is enabled.
  TEST_P(WEBGLVideoTextureTest, VerifySamplerVideoWEBGLAsParameter)
  {
      ANGLE_SKIP_TEST_IF(!EnsureGLExtensionEnabled("GL_WEBGL_video_texture"));
  
      constexpr char kVS[] = R"(
  attribute vec2 position;
  varying mediump vec2 texCoord;
  void main()
  {
      gl_Position = vec4(position, 0, 1);
      texCoord = position * 0.5 + vec2(0.5);
  })";
  
      constexpr char kFS[] = R"(
  
  #extension GL_WEBGL_video_texture : require
  precision mediump float;
  varying mediump vec2 texCoord;
  uniform mediump samplerVideoWEBGL s;
  
  vec4 wrapTextureVideoWEBGL(samplerVideoWEBGL sampler, vec2 coord)
  {
      return textureVideoWEBGL(sampler, coord);
  }
  
  void main()
  {
      gl_FragColor = wrapTextureVideoWEBGL(s, texCoord);
  })";
  
      ANGLE_GL_PROGRAM(program, kVS, kFS);
      // Initialize basic red texture.
      const std::vector<GLColor> redColors(4, GLColor::red);
      GLTexture texture;
      glBindTexture(GL_TEXTURE_VIDEO_IMAGE_WEBGL, texture);
      glTexImage2D(GL_TEXTURE_VIDEO_IMAGE_WEBGL, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                   redColors.data());
      glTexParameteri(GL_TEXTURE_VIDEO_IMAGE_WEBGL, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
      glTexParameteri(GL_TEXTURE_VIDEO_IMAGE_WEBGL, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
      ASSERT_GL_NO_ERROR();
  
      drawQuad(program, "position", 0.0f);
      EXPECT_PIXEL_RECT_EQ(0, 0, getWindowWidth(), getWindowHeight(), GLColor::red);
      glBindTexture(GL_TEXTURE_VIDEO_IMAGE_WEBGL, 0);
      ASSERT_GL_NO_ERROR();
  }
  
  // Test to ensure ANGLE state manager knows the change when binding VideoImage
  // and can handle it correctly based on the program.
  TEST_P(WEBGLVideoTextureTest, VerifyStateManagerKnowsBindingVideoImage)
  {
      ANGLE_SKIP_TEST_IF(!EnsureGLExtensionEnabled("GL_WEBGL_video_texture"));
  
      constexpr char kVS[] = R"(
  attribute vec2 position;
  varying mediump vec2 texCoord;
  void main()
  {
      gl_Position = vec4(position, 0, 1);
      texCoord = position * 0.5 + vec2(0.5);
  })";
  
      constexpr char kFS2D[] = R"(
  
  precision mediump float;
  varying mediump vec2 texCoord;
  uniform mediump sampler2D s;
  
  void main()
  {
      gl_FragColor = texture2D(s, texCoord);
  })";
  
      constexpr char kFSVideoImage[] = R"(
  
  #extension GL_WEBGL_video_texture : require
  precision mediump float;
  varying mediump vec2 texCoord;
  uniform mediump samplerVideoWEBGL s;
  
  void main()
  {
      gl_FragColor = textureVideoWEBGL(s, texCoord);
  })";
  
      ANGLE_GL_PROGRAM(program2D, kVS, kFS2D);
      ANGLE_GL_PROGRAM(programVideoImage, kVS, kFSVideoImage);
      // Initialize basic red texture.
      const std::vector<GLColor> redColors(4, GLColor::red);
      const std::vector<GLColor> greenColors(4, GLColor::green);
      GLTexture texture2D;
      GLTexture textureVideoImage;
      glBindTexture(GL_TEXTURE_2D, texture2D);
      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE, redColors.data());
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
      ASSERT_GL_NO_ERROR();
  
      // This should unbind the native TEXTURE_2D
      glBindTexture(GL_TEXTURE_VIDEO_IMAGE_WEBGL, textureVideoImage);
      glTexImage2D(GL_TEXTURE_VIDEO_IMAGE_WEBGL, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                   greenColors.data());
      glTexParameteri(GL_TEXTURE_VIDEO_IMAGE_WEBGL, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
      glTexParameteri(GL_TEXTURE_VIDEO_IMAGE_WEBGL, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
      ASSERT_GL_NO_ERROR();
  
      // ANGLE will check state change and apply changes through state manager. If state manager
      // is aware of the unbind, it will bind the correct texture back in native and the draw should
      // work fine.
      drawQuad(program2D, "position", 0.0f);
      EXPECT_PIXEL_RECT_EQ(0, 0, getWindowWidth(), getWindowHeight(), GLColor::red);
      drawQuad(programVideoImage, "position", 0.0f);
      EXPECT_PIXEL_RECT_EQ(0, 0, getWindowWidth(), getWindowHeight(), GLColor::green);
      drawQuad(program2D, "position", 0.0f);
      EXPECT_PIXEL_RECT_EQ(0, 0, getWindowWidth(), getWindowHeight(), GLColor::red);
  
      glBindTexture(GL_TEXTURE_VIDEO_IMAGE_WEBGL, 0);
      glBindTexture(GL_TEXTURE_2D, 0);
      ASSERT_GL_NO_ERROR();
  }
  
  // Test to verify samplerVideoWEBGL works fine in ES300 when extension is enabled.
  TEST_P(WEBGLVideoTextureES300Test, VerifySamplerVideoWEBGLInES300)
  {
      ANGLE_SKIP_TEST_IF(!EnsureGLExtensionEnabled("GL_WEBGL_video_texture"));
  
      constexpr char kVS[] = R"(#version 300 es
  in vec2 position;
  out mediump vec2 texCoord;
  
  void main()
  {
      gl_Position = vec4(position, 0, 1);
      texCoord = position * 0.5 + vec2(0.5);
  })";
  
      constexpr char kFS[] = R"(#version 300 es
  #extension GL_WEBGL_video_texture : require
  precision mediump float;
  in mediump vec2 texCoord;
  uniform mediump samplerVideoWEBGL s;
  out vec4 my_FragColor;
  void main()
  {
      my_FragColor = texture(s, texCoord);
  })";
  
      ANGLE_GL_PROGRAM(program, kVS, kFS);
      // Initialize basic red texture.
      const std::vector<GLColor> redColors(4, GLColor::red);
      GLTexture texture;
      glBindTexture(GL_TEXTURE_VIDEO_IMAGE_WEBGL, texture);
      glTexImage2D(GL_TEXTURE_VIDEO_IMAGE_WEBGL, 0, GL_RGBA, 2, 2, 0, GL_RGBA, GL_UNSIGNED_BYTE,
                   redColors.data());
      glTexParameteri(GL_TEXTURE_VIDEO_IMAGE_WEBGL, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
      glTexParameteri(GL_TEXTURE_VIDEO_IMAGE_WEBGL, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
      ASSERT_GL_NO_ERROR();
  
      drawQuad(program, "position", 0.0f);
      EXPECT_PIXEL_RECT_EQ(0, 0, getWindowWidth(), getWindowHeight(), GLColor::red);
      glBindTexture(GL_TEXTURE_VIDEO_IMAGE_WEBGL, 0);
      ASSERT_GL_NO_ERROR();
  }
  
  ANGLE_INSTANTIATE_TEST_ES2_AND_ES3(WEBGLVideoTextureTest);
  
  GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(WEBGLVideoTextureES300Test);
  ANGLE_INSTANTIATE_TEST_ES3(WEBGLVideoTextureES300Test);
  }  // namespace