CompressedTextureTest.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/CompressedTextureTest.cpp
#include "ANGLETest.h"
#include "media/pixel.inl"

class CompressedTextureTest : public ANGLETest
{
protected:
    CompressedTextureTest()
    {
        setWindowWidth(512);
        setWindowHeight(512);
        setConfigRedBits(8);
        setConfigGreenBits(8);
        setConfigBlueBits(8);
        setConfigAlphaBits(8);
    }

    virtual void SetUp()
    {
        ANGLETest::SetUp();

        const std::string vsSource = SHADER_SOURCE
        (
            precision highp float;
            attribute vec4 position;
            varying vec2 texcoord;

            void main()
            {
                gl_Position = position;
                texcoord = (position.xy * 0.5) + 0.5;
                texcoord.y = 1.0 - texcoord.y;
            }
        );

        const std::string textureFSSource = SHADER_SOURCE
        (
            precision highp float;
            uniform sampler2D tex;
            varying vec2 texcoord;

            void main()
            {
                gl_FragColor = texture2D(tex, texcoord);
            }
        );

        mTextureProgram = compileProgram(vsSource, textureFSSource);
        if (mTextureProgram == 0)
        {
            FAIL() << "shader compilation failed.";
        }

        mTextureUniformLocation = glGetUniformLocation(mTextureProgram, "tex");

        ASSERT_GL_NO_ERROR();
    }

    virtual void TearDown()
    {
        glDeleteProgram(mTextureProgram);

        ANGLETest::TearDown();
    }

    GLuint mTextureProgram;
    GLint mTextureUniformLocation;
};

TEST_F(CompressedTextureTest, CompressedTexImage)
{
    if (getClientVersion() < 3 && !extensionEnabled("GL_EXT_texture_compression_dxt1"))
    {
        return;
    }

    GLuint texture;
    glGenTextures(1, &texture);
    glBindTexture(GL_TEXTURE_2D, texture);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);

    glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_width, pixel_0_height, 0, pixel_0_size, pixel_0_data);
    glCompressedTexImage2D(GL_TEXTURE_2D, 1, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_1_width, pixel_1_height, 0, pixel_1_size, pixel_1_data);
    glCompressedTexImage2D(GL_TEXTURE_2D, 2, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_2_width, pixel_2_height, 0, pixel_2_size, pixel_2_data);
    glCompressedTexImage2D(GL_TEXTURE_2D, 3, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_3_width, pixel_3_height, 0, pixel_3_size, pixel_3_data);
    glCompressedTexImage2D(GL_TEXTURE_2D, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_4_width, pixel_4_height, 0, pixel_4_size, pixel_4_data);
    glCompressedTexImage2D(GL_TEXTURE_2D, 5, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_5_width, pixel_5_height, 0, pixel_5_size, pixel_5_data);
    glCompressedTexImage2D(GL_TEXTURE_2D, 6, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_6_width, pixel_6_height, 0, pixel_6_size, pixel_6_data);
    glCompressedTexImage2D(GL_TEXTURE_2D, 7, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_7_width, pixel_7_height, 0, pixel_7_size, pixel_7_data);
    glCompressedTexImage2D(GL_TEXTURE_2D, 8, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_8_width, pixel_8_height, 0, pixel_8_size, pixel_8_data);
    glCompressedTexImage2D(GL_TEXTURE_2D, 9, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_9_width, pixel_9_height, 0, pixel_9_size, pixel_9_data);

    EXPECT_GL_NO_ERROR();

    glUseProgram(mTextureProgram);
    glUniform1i(mTextureUniformLocation, 0);

    drawQuad(mTextureProgram, "position", 0.5f);

    EXPECT_GL_NO_ERROR();

    glDeleteTextures(1, &texture);

    EXPECT_GL_NO_ERROR();
}

TEST_F(CompressedTextureTest, CompressedTexStorage)
{
    if (getClientVersion() < 3 && !extensionEnabled("GL_EXT_texture_compression_dxt1"))
    {
        return;
    }

    if (getClientVersion() < 3 && (!extensionEnabled("GL_EXT_texture_storage") || !extensionEnabled("GL_OES_rgb8_rgba8")))
    {
        return;
    }

    GLuint texture;
    glGenTextures(1, &texture);
    glBindTexture(GL_TEXTURE_2D, texture);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);

    if (getClientVersion() < 3)
    {
        glTexStorage2DEXT(GL_TEXTURE_2D, pixel_levels, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_width, pixel_0_height);
    }
    else
    {
        glTexStorage2D(GL_TEXTURE_2D, pixel_levels, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_width, pixel_0_height);
    }
    EXPECT_GL_NO_ERROR();

    glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, pixel_0_width, pixel_0_height, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_0_size, pixel_0_data);
    glCompressedTexSubImage2D(GL_TEXTURE_2D, 1, 0, 0, pixel_1_width, pixel_1_height, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_1_size, pixel_1_data);
    glCompressedTexSubImage2D(GL_TEXTURE_2D, 2, 0, 0, pixel_2_width, pixel_2_height, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_2_size, pixel_2_data);
    glCompressedTexSubImage2D(GL_TEXTURE_2D, 3, 0, 0, pixel_3_width, pixel_3_height, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_3_size, pixel_3_data);
    glCompressedTexSubImage2D(GL_TEXTURE_2D, 4, 0, 0, pixel_4_width, pixel_4_height, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_4_size, pixel_4_data);
    glCompressedTexSubImage2D(GL_TEXTURE_2D, 5, 0, 0, pixel_5_width, pixel_5_height, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_5_size, pixel_5_data);
    glCompressedTexSubImage2D(GL_TEXTURE_2D, 6, 0, 0, pixel_6_width, pixel_6_height, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_6_size, pixel_6_data);
    glCompressedTexSubImage2D(GL_TEXTURE_2D, 7, 0, 0, pixel_7_width, pixel_7_height, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_7_size, pixel_7_data);
    glCompressedTexSubImage2D(GL_TEXTURE_2D, 8, 0, 0, pixel_8_width, pixel_8_height, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_8_size, pixel_8_data);
    glCompressedTexSubImage2D(GL_TEXTURE_2D, 9, 0, 0, pixel_9_width, pixel_9_height, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, pixel_9_size, pixel_9_data);

    EXPECT_GL_NO_ERROR();

    glUseProgram(mTextureProgram);
    glUniform1i(mTextureUniformLocation, 0);

    drawQuad(mTextureProgram, "position", 0.5f);

    EXPECT_GL_NO_ERROR();

    glDeleteTextures(1, &texture);

    EXPECT_GL_NO_ERROR();
}
kc3-lang/angle/tests/angle_tests/CompressedTextureTest.cpp

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