kc3-lang/angle/tests/angle_tests/TextureTest.cpp

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• Author : Jamie Madill
  Date : 2014-08-26 13:16:39
  Hash : 5599c8f6
  Message : Use shared compile helpers in the ANGLE tests. BUG=angle:730 Change-Id: Ib3bd646c73355449105e6cf79bdcf0a14b391fd2 Reviewed-on: https://chromium-review.googlesource.com/213550 Tested-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>

• tests/angle_tests/TextureTest.cpp

• #include "ANGLETest.h"
  
  class TextureTest : public ANGLETest
  {
  protected:
      TextureTest()
      {
          setWindowWidth(128);
          setWindowHeight(128);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
      }
  
      virtual void SetUp()
      {
          ANGLETest::SetUp();
          glGenTextures(1, &mTexture2D);
          glGenTextures(1, &mTextureCube);
  
          glBindTexture(GL_TEXTURE_2D, mTexture2D);
          glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
          EXPECT_GL_NO_ERROR();
  
          glBindTexture(GL_TEXTURE_CUBE_MAP, mTextureCube);
          glTexStorage2DEXT(GL_TEXTURE_CUBE_MAP, 1, GL_RGBA8, 1, 1);
          EXPECT_GL_NO_ERROR();
  
          ASSERT_GL_NO_ERROR();
  
          const std::string vertexShaderSource = SHADER_SOURCE
          (
              precision highp float;
              attribute vec4 position;
              varying vec2 texcoord;
  
              void main()
              {
                  gl_Position = position;
                  texcoord = (position.xy * 0.5) + 0.5;
              }
          );
  
          const std::string fragmentShaderSource2D = SHADER_SOURCE
          (
              precision highp float;
              uniform sampler2D tex;
              varying vec2 texcoord;
  
              void main()
              {
                  gl_FragColor = texture2D(tex, texcoord);
              }
          );
  
          const std::string fragmentShaderSourceCube = SHADER_SOURCE
          (
              precision highp float;
              uniform sampler2D tex2D;
              uniform samplerCube texCube;
              varying vec2 texcoord;
  
              void main()
              {
                  gl_FragColor = texture2D(tex2D, texcoord);
                  gl_FragColor += textureCube(texCube, vec3(texcoord, 0));
              }
          );
  
          m2DProgram = CompileProgram(vertexShaderSource, fragmentShaderSource2D);
          mCubeProgram = CompileProgram(vertexShaderSource, fragmentShaderSourceCube);
          if (m2DProgram == 0 || mCubeProgram == 0)
          {
              FAIL() << "shader compilation failed.";
          }
  
          mTexture2DUniformLocation = glGetUniformLocation(m2DProgram, "tex");
      }
  
      virtual void TearDown()
      {
          glDeleteTextures(1, &mTexture2D);
          glDeleteTextures(1, &mTextureCube);
          glDeleteProgram(m2DProgram);
          glDeleteProgram(mCubeProgram);
  
          ANGLETest::TearDown();
      }
  
      GLuint mTexture2D;
      GLuint mTextureCube;
  
      GLuint m2DProgram;
      GLuint mCubeProgram;
      GLint mTexture2DUniformLocation;
  };
  
  TEST_F(TextureTest, NegativeAPISubImage)
  {
      glBindTexture(GL_TEXTURE_2D, mTexture2D);
      EXPECT_GL_ERROR(GL_NO_ERROR);
  
      const GLubyte *pixels[20] = { 0 };
      glTexSubImage2D(GL_TEXTURE_2D, 0, 1, 1, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
      EXPECT_GL_ERROR(GL_INVALID_VALUE);
  }
  
  TEST_F(TextureTest, ZeroSizedUploads)
  {
      glBindTexture(GL_TEXTURE_2D, mTexture2D);
      EXPECT_GL_ERROR(GL_NO_ERROR);
  
      // Use the texture first to make sure it's in video memory
      glUseProgram(m2DProgram);
      glUniform1i(mTexture2DUniformLocation, 0);
      drawQuad(m2DProgram, "position", 0.5f);
  
      const GLubyte *pixel[4] = { 0 };
  
      glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
      EXPECT_GL_NO_ERROR();
  
      glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
      EXPECT_GL_NO_ERROR();
  
      glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixel);
      EXPECT_GL_NO_ERROR();
  }
  
  // Test drawing with two texture types, to trigger an ANGLE bug in validation
  TEST_F(TextureTest, CubeMapBug)
  {
      glActiveTexture(GL_TEXTURE0);
      glBindTexture(GL_TEXTURE_2D, mTexture2D);
      glActiveTexture(GL_TEXTURE1);
      glBindTexture(GL_TEXTURE_CUBE_MAP, mTextureCube);
      EXPECT_GL_ERROR(GL_NO_ERROR);
  
      glUseProgram(mCubeProgram);
      GLint tex2DUniformLocation = glGetUniformLocation(mCubeProgram, "tex2D");
      GLint texCubeUniformLocation = glGetUniformLocation(mCubeProgram, "texCube");
      EXPECT_NE(-1, tex2DUniformLocation);
      EXPECT_NE(-1, texCubeUniformLocation);
      glUniform1i(tex2DUniformLocation, 0);
      glUniform1i(texCubeUniformLocation, 1);
      drawQuad(mCubeProgram, "position", 0.5f);
      EXPECT_GL_NO_ERROR();
  }