Method applyFixedFunctionParams

RenderSystems/GL/src/OgreGLRenderSystem.cpp:223–337

    }

    void GLRenderSystem::applyFixedFunctionParams(const GpuProgramParametersPtr& params, uint16 mask)
    {
        bool updateLightPos = false;

        // Autoconstant index is not a physical index
        for (const auto& ac : params->getAutoConstants())
        {
            // Only update needed slots
            if (ac.variability & mask)
            {
                const float* ptr = params->getFloatPointer(ac.physicalIndex);
                switch(ac.paramType)
                {
                case GpuProgramParameters::ACT_WORLD_MATRIX:
                    setWorldMatrix(Matrix4(ptr));
                    break;
                case GpuProgramParameters::ACT_VIEW_MATRIX:
                    // force light update
                    updateLightPos = true;
                    mask |= GPV_LIGHTS;
                    setViewMatrix(Matrix4(ptr));
                    break;
                case GpuProgramParameters::ACT_PROJECTION_MATRIX:
                    setProjectionMatrix(Matrix4(ptr));
                    break;
                case GpuProgramParameters::ACT_SURFACE_AMBIENT_COLOUR:
                    mStateCacheManager->setMaterialAmbient(ptr[0], ptr[1], ptr[2], ptr[3]);
                    break;
                case GpuProgramParameters::ACT_SURFACE_DIFFUSE_COLOUR:
                    mStateCacheManager->setMaterialDiffuse(ptr[0], ptr[1], ptr[2], ptr[3]);
                    break;
                case GpuProgramParameters::ACT_SURFACE_SPECULAR_COLOUR:
                    mStateCacheManager->setMaterialSpecular(ptr[0], ptr[1], ptr[2], ptr[3]);
                    break;
                case GpuProgramParameters::ACT_SURFACE_EMISSIVE_COLOUR:
                    mStateCacheManager->setMaterialEmissive(ptr[0], ptr[1], ptr[2], ptr[3]);
                    break;
                case GpuProgramParameters::ACT_SURFACE_SHININESS:
                    mStateCacheManager->setMaterialShininess(ptr[0]);
                    break;
                case GpuProgramParameters::ACT_POINT_PARAMS:
                    mStateCacheManager->setPointSize(ptr[0]);
                    mStateCacheManager->setPointParameters(ptr + 1);
                    break;
                case GpuProgramParameters::ACT_FOG_PARAMS:
                    glFogf(GL_FOG_DENSITY, ptr[0]);
                    glFogf(GL_FOG_START, ptr[1]);
                    glFogf(GL_FOG_END, ptr[2]);
                    break;
                case GpuProgramParameters::ACT_FOG_COLOUR:
                    glFogfv(GL_FOG_COLOR, ptr);
                    break;
                case GpuProgramParameters::ACT_AMBIENT_LIGHT_COLOUR:
                    mStateCacheManager->setLightAmbient(ptr[0], ptr[1], ptr[2]);
                    break;
                case GpuProgramParameters::ACT_LIGHT_DIFFUSE_COLOUR:
                    glLightfv(GL_LIGHT0 + ac.data, GL_DIFFUSE, ptr);
                    break;