Function test_renderbuffer_read

test_conformance/gl/test_renderbuffer.cpp:181–292

}

int test_renderbuffer_read(cl_device_id device, cl_context context,
                           cl_command_queue queue, int numElements)
{
    GLenum attachments[] = { GL_COLOR_ATTACHMENT0_EXT };

    struct
    {
        GLenum internal;
        GLenum format;
        GLenum datatype;
        ExplicitType type;

    } formats[] = {
        { GL_RGBA, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, kUChar },
        { GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, kUChar },
        { GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, kUChar },
        { GL_RGBA16, GL_RGBA, GL_UNSIGNED_SHORT, kUShort },

    // Renderbuffers with integer formats do not seem to work reliably across
    // platforms/implementations. Disabling this in version 1.0 of CL
    // conformance tests.

#ifdef TEST_INTEGER_FORMATS

        { GL_RGBA8I_EXT, GL_RGBA_INTEGER_EXT, GL_BYTE, kChar },
        { GL_RGBA16I_EXT, GL_RGBA_INTEGER_EXT, GL_SHORT, kShort },
        { GL_RGBA32I_EXT, GL_RGBA_INTEGER_EXT, GL_INT, kInt },
        { GL_RGBA8UI_EXT, GL_RGBA_INTEGER_EXT, GL_UNSIGNED_BYTE, kUChar },
        { GL_RGBA16UI_EXT, GL_RGBA_INTEGER_EXT, GL_UNSIGNED_SHORT, kUShort },
        { GL_RGBA32UI_EXT, GL_RGBA_INTEGER_EXT, GL_UNSIGNED_INT, kUInt },
#endif
        { GL_RGBA32F_ARB, GL_RGBA, GL_FLOAT, kFloat },
        { GL_RGBA16F_ARB, GL_RGBA, GL_HALF_FLOAT, kHalf }
    };

    size_t fmtIdx, attIdx;
    int error = 0;
#ifdef DEBUG
    size_t iter = 1;
#else
    size_t iter = 6;
#endif
    RandomSeed seed(gRandomSeed);

    // Check if images are supported
    if (checkForImageSupport(device))
    {
        log_info("Device does not support images. Skipping test.\n");
        return 0;
    }

    if (!gluCheckExtension((const GLubyte *)"GL_EXT_framebuffer_object",
                           glGetString(GL_EXTENSIONS)))
    {
        log_info("Renderbuffers are not supported by this OpenGL "
                 "implementation; skipping test\n");
        return 0;
    }