| #include "ANGLETest.h" |
| |
| class ProgramBinaryTest : public ANGLETest |
| { |
| protected: |
| ProgramBinaryTest() |
| { |
| setWindowWidth(128); |
| setWindowHeight(128); |
| setConfigRedBits(8); |
| setConfigGreenBits(8); |
| setConfigBlueBits(8); |
| setConfigAlphaBits(8); |
| } |
| |
| virtual void SetUp() |
| { |
| ANGLETest::SetUp(); |
| |
| const std::string vertexShaderSource = SHADER_SOURCE |
| ( |
| attribute vec4 inputAttribute; |
| void main() |
| { |
| gl_Position = inputAttribute; |
| } |
| ); |
| |
| const std::string fragmentShaderSource = SHADER_SOURCE |
| ( |
| void main() |
| { |
| gl_FragColor = vec4(1,0,0,1); |
| } |
| ); |
| |
| mProgram = compileProgram(vertexShaderSource, fragmentShaderSource); |
| if (mProgram == 0) |
| { |
| FAIL() << "shader compilation failed."; |
| } |
| |
| glGenBuffers(1, &mBuffer); |
| glBindBuffer(GL_ARRAY_BUFFER, mBuffer); |
| glBufferData(GL_ARRAY_BUFFER, 128, NULL, GL_STATIC_DRAW); |
| glBindBuffer(GL_ARRAY_BUFFER, 0); |
| |
| ASSERT_GL_NO_ERROR(); |
| } |
| |
| virtual void TearDown() |
| { |
| glDeleteProgram(mProgram); |
| glDeleteBuffers(1, &mBuffer); |
| |
| ANGLETest::TearDown(); |
| } |
| |
| GLuint mProgram; |
| GLuint mBuffer; |
| }; |
| |
| // This tests the assumption that float attribs of different size |
| // should not internally cause a vertex shader recompile (for conversion). |
| TEST_F(ProgramBinaryTest, float_dynamic_shader_size) |
| { |
| glUseProgram(mProgram); |
| glBindBuffer(GL_ARRAY_BUFFER, mBuffer); |
| |
| glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 8, NULL); |
| glEnableVertexAttribArray(0); |
| glDrawArrays(GL_POINTS, 0, 1); |
| |
| GLint programLength; |
| glGetProgramiv(mProgram, GL_PROGRAM_BINARY_LENGTH_OES, &programLength); |
| |
| EXPECT_GL_NO_ERROR(); |
| |
| for (GLsizei size = 1; size <= 3; size++) |
| { |
| glVertexAttribPointer(0, size, GL_FLOAT, GL_FALSE, 8, NULL); |
| glEnableVertexAttribArray(0); |
| glDrawArrays(GL_POINTS, 0, 1); |
| |
| GLint newProgramLength; |
| glGetProgramiv(mProgram, GL_PROGRAM_BINARY_LENGTH_OES, &newProgramLength); |
| EXPECT_GL_NO_ERROR(); |
| EXPECT_EQ(programLength, newProgramLength); |
| } |
| } |