Merge "Cache shaders for rounded corners and window transition."

    // Prime for sRGB->P3 conversion

    if (useColorManagement) {

        Key shaderKey;

        shaderKey.set(Key::BLEND_MASK | Key::TEXTURE_MASK | Key::OUTPUT_TRANSFORM_MATRIX_MASK |

                              Key::INPUT_TF_MASK | Key::OUTPUT_TF_MASK,

                      Key::BLEND_PREMULT | Key::TEXTURE_EXT | Key::OUTPUT_TRANSFORM_MATRIX_ON |

                              Key::INPUT_TF_SRGB | Key::OUTPUT_TF_SRGB);

        for (int i = 0; i < 4; i++) {

        shaderKey.set(Key::BLEND_MASK | Key::OUTPUT_TRANSFORM_MATRIX_MASK | Key::INPUT_TF_MASK |

                              Key::OUTPUT_TF_MASK,

                      Key::BLEND_PREMULT | Key::OUTPUT_TRANSFORM_MATRIX_ON | Key::INPUT_TF_SRGB |

                              Key::OUTPUT_TF_SRGB);

        for (int i = 0; i < 16; i++) {

            shaderKey.set(Key::OPACITY_MASK,

                          (i & 1) ? Key::OPACITY_OPAQUE : Key::OPACITY_TRANSLUCENT);

            shaderKey.set(Key::ALPHA_MASK, (i & 2) ? Key::ALPHA_LT_ONE : Key::ALPHA_EQ_ONE);

            // Cache rounded corners

            shaderKey.set(Key::ROUNDED_CORNERS_MASK,

                          (i & 4) ? Key::ROUNDED_CORNERS_ON : Key::ROUNDED_CORNERS_OFF);

            // Cache texture off option for window transition

            shaderKey.set(Key::TEXTURE_MASK, (i & 8) ? Key::TEXTURE_EXT : Key::TEXTURE_OFF);

            if (cache.count(shaderKey) == 0) {

                cache.emplace(shaderKey, generateProgram(shaderKey));

                shaderCount++;