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

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  • Author : Jamie Madill
    Date : 2014-07-17 10:40:49
    Hash : b759a748
    Message : Fix test class names to reflect their class-ness. Style guide dictates a camel case scheme for classes. Since the tests are actually classes, update their names to reflect that. Change-Id: Ib7422b6d8c5de8414765439704fc103eae8b2d63 Reviewed-on: https://chromium-review.googlesource.com/208680 Tested-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Zhenyao Mo <zmo@chromium.org>

  • tests/angle_tests/FramebufferFormatsTest.cpp
  • #include "ANGLETest.h"
    
    class FramebufferFormatsTest : public ANGLETest
    {
    protected:
        FramebufferFormatsTest()
        {
            setWindowWidth(128);
            setWindowHeight(128);
            setConfigRedBits(8);
            setConfigGreenBits(8);
            setConfigBlueBits(8);
            setConfigAlphaBits(8);
        }
    
        void checkBitCount(GLuint fbo, GLenum channel, GLint minBits)
        {
            glBindFramebuffer(GL_FRAMEBUFFER, fbo);
    
            GLint bits = 0;
            glGetIntegerv(channel, &bits);
    
            if (minBits == 0)
            {
                EXPECT_EQ(minBits, bits);
            }
            else
            {
                EXPECT_GE(bits, minBits);
            }
        }
    
        void testBitCounts(GLuint fbo, GLint minRedBits, GLint minGreenBits, GLint minBlueBits,
                           GLint minAlphaBits, GLint minDepthBits, GLint minStencilBits)
        {
            checkBitCount(fbo, GL_RED_BITS, minRedBits);
            checkBitCount(fbo, GL_GREEN_BITS, minGreenBits);
            checkBitCount(fbo, GL_BLUE_BITS, minBlueBits);
            checkBitCount(fbo, GL_ALPHA_BITS, minAlphaBits);
            checkBitCount(fbo, GL_DEPTH_BITS, minDepthBits);
            checkBitCount(fbo, GL_STENCIL_BITS, minStencilBits);
        }
    
        void testTextureFormat(GLenum internalFormat, GLint minRedBits, GLint minGreenBits, GLint minBlueBits,
                               GLint minAlphaBits)
        {
            GLuint tex = 0;
            glGenTextures(1, &tex);
            glBindTexture(GL_TEXTURE_2D, tex);
            glTexStorage2DEXT(GL_TEXTURE_2D, 1, internalFormat, 1, 1);
    
            GLuint fbo = 0;
            glGenFramebuffers(1, &fbo);
            glBindFramebuffer(GL_FRAMEBUFFER, fbo);
            glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tex, 0);
    
            testBitCounts(fbo, minRedBits, minGreenBits, minBlueBits, minAlphaBits, 0, 0);
    
            glDeleteTextures(1, &tex);
            glDeleteFramebuffers(1, &fbo);
        }
    
        virtual void SetUp()
        {
            ANGLETest::SetUp();
        }
    
        virtual void TearDown()
        {
            ANGLETest::TearDown();
        }
    };
    
    TEST_F(FramebufferFormatsTest, RGBA4)
    {
        testTextureFormat(GL_RGBA4, 4, 4, 4, 4);
    }
    
    TEST_F(FramebufferFormatsTest, RGB565)
    {
        testTextureFormat(GL_RGB565, 5, 6, 5, 0);
    }
    
    TEST_F(FramebufferFormatsTest, RGB8)
    {
        testTextureFormat(GL_RGB8_OES, 8, 8, 8, 0);
    }
    
    TEST_F(FramebufferFormatsTest, BGRA8)
    {
        testTextureFormat(GL_BGRA8_EXT, 8, 8, 8, 8);
    }
    
    TEST_F(FramebufferFormatsTest, RGBA8)
    {
        testTextureFormat(GL_RGBA8_OES, 8, 8, 8, 8);
    }