1 #include "ANGLETest.h" 2 3 class TextureTest : public ANGLETest 4 { 5 protected: 6 TextureTest() 7 { 8 setWindowWidth(128); 9 setWindowHeight(128); 10 setConfigRedBits(8); 11 setConfigGreenBits(8); 12 setConfigBlueBits(8); 13 setConfigAlphaBits(8); 14 } 15 16 virtual void SetUp() 17 { 18 ANGLETest::SetUp(); 19 glGenTextures(1, &mTexture); 20 21 glBindTexture(GL_TEXTURE_2D, mTexture); 22 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); 23 EXPECT_GL_NO_ERROR(); 24 25 ASSERT_GL_NO_ERROR(); 26 27 const std::string vertexShaderSource = SHADER_SOURCE 28 ( 29 precision highp float; 30 attribute vec4 position; 31 varying vec2 texcoord; 32 33 void main() 34 { 35 gl_Position = position; 36 texcoord = (position.xy * 0.5) + 0.5; 37 } 38 ); 39 40 const std::string fragmentShaderSource = SHADER_SOURCE 41 ( 42 precision highp float; 43 uniform sampler2D tex; 44 varying vec2 texcoord; 45 46 void main() 47 { 48 gl_FragColor = texture2D(tex, texcoord); 49 } 50 ); 51 52 mProgram = compileProgram(vertexShaderSource, fragmentShaderSource); 53 if (mProgram == 0) 54 { 55 FAIL() << "shader compilation failed."; 56 } 57 58 mTextureUniformLocation = glGetUniformLocation(mProgram, "tex"); 59 } 60 61 virtual void TearDown() 62 { 63 glDeleteTextures(1, &mTexture); 64 glDeleteProgram(mProgram); 65 66 ANGLETest::TearDown(); 67 } 68 69 GLuint mTexture; 70 71 GLuint mProgram; 72 GLint mTextureUniformLocation; 73 }; 74 75 TEST_F(TextureTest, negative_api_subimage) 76 { 77 glBindTexture(GL_TEXTURE_2D, mTexture); 78 EXPECT_GL_ERROR(GL_NO_ERROR); 79 80 const GLubyte *pixels[20] = { 0 }; 81 glTexSubImage2D(GL_TEXTURE_2D, 0, 1, 1, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixels); 82 EXPECT_GL_ERROR(GL_INVALID_VALUE); 83 } 84 85 TEST_F(TextureTest, zero_sized_uploads) 86 { 87 glBindTexture(GL_TEXTURE_2D, mTexture); 88 EXPECT_GL_ERROR(GL_NO_ERROR); 89 90 // Use the texture first to make sure it's in video memory 91 glUseProgram(mProgram); 92 glUniform1i(mTextureUniformLocation, 0); 93 drawQuad(mProgram, "position", 0.5f); 94 95 const GLubyte *pixel[4] = { 0 }; 96 97 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixel); 98 EXPECT_GL_NO_ERROR(); 99 100 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel); 101 EXPECT_GL_NO_ERROR(); 102 103 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixel); 104 EXPECT_GL_NO_ERROR(); 105 } 106
