src/third_party/angle/tests/angle_tests/UniformTest.cpp

   1 #include "ANGLETest.h"
   2
   3 class UniformTest : public ANGLETest
   4 {
   5   protected:
   6     UniformTest()
   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
  20         const std::string &vertexShader = "void main() { gl_Position = vec4(1); }";
  21         const std::string &fragShader =
  22             "precision mediump float;\n"
  23             "uniform float uniF;\n"
  24             "uniform int uniI;\n"
  25             "void main() { gl_FragColor = vec4(uniF + float(uniI)); }";
  26
  27         mProgram = CompileProgram(vertexShader, fragShader);
  28         ASSERT_NE(mProgram, 0u);
  29
  30         mUniformFLocation = glGetUniformLocation(mProgram, "uniF");
  31         ASSERT_NE(mUniformFLocation, -1);
  32
  33         mUniformILocation = glGetUniformLocation(mProgram, "uniI");
  34         ASSERT_NE(mUniformILocation, -1);
  35
  36         ASSERT_GL_NO_ERROR();
  37     }
  38
  39     virtual void TearDown()
  40     {
  41         glDeleteProgram(mProgram);
  42         ANGLETest::TearDown();
  43     }
  44
  45     GLuint mProgram;
  46     GLint mUniformFLocation;
  47     GLint mUniformILocation;
  48 };
  49
  50 TEST_F(UniformTest, GetUniformNoCurrentProgram)
  51 {
  52     glUseProgram(mProgram);
  53     glUniform1f(mUniformFLocation, 1.0f);
  54     glUniform1i(mUniformILocation, 1);
  55     glUseProgram(0);
  56
  57     GLfloat f;
  58     glGetnUniformfvEXT(mProgram, mUniformFLocation, 4, &f);
  59     ASSERT_GL_NO_ERROR();
  60     EXPECT_EQ(1.0f, f);
  61
  62     glGetUniformfv(mProgram, mUniformFLocation, &f);
  63     ASSERT_GL_NO_ERROR();
  64     EXPECT_EQ(1.0f, f);
  65
  66     GLint i;
  67     glGetnUniformivEXT(mProgram, mUniformILocation, 4, &i);
  68     ASSERT_GL_NO_ERROR();
  69     EXPECT_EQ(1, i);
  70
  71     glGetUniformiv(mProgram, mUniformILocation, &i);
  72     ASSERT_GL_NO_ERROR();
  73     EXPECT_EQ(1, i);
  74 }