| /* |
| * Copyright 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef SF_RENDER_ENGINE_DESCRIPTION_H_ |
| #define SF_RENDER_ENGINE_DESCRIPTION_H_ |
| |
| #include <renderengine/Texture.h> |
| #include <ui/GraphicTypes.h> |
| |
| namespace android { |
| namespace renderengine { |
| |
| /* |
| * This is the structure that holds the state of the rendering engine. |
| * This class is used to generate a corresponding GLSL program and set the |
| * appropriate uniform. |
| */ |
| struct Description { |
| enum class TransferFunction : int { |
| LINEAR, |
| SRGB, |
| ST2084, |
| HLG, // Hybrid Log-Gamma for HDR. |
| }; |
| |
| static TransferFunction dataSpaceToTransferFunction(ui::Dataspace dataSpace); |
| |
| Description() = default; |
| ~Description() = default; |
| |
| bool hasInputTransformMatrix() const; |
| bool hasOutputTransformMatrix() const; |
| bool hasColorMatrix() const; |
| |
| // whether textures are premultiplied |
| bool isPremultipliedAlpha = false; |
| // whether this layer is marked as opaque |
| bool isOpaque = true; |
| |
| // corner radius of the layer |
| float cornerRadius = 0; |
| |
| // Size of the rounded rectangle we are cropping to |
| half2 cropSize; |
| |
| // Texture this layer uses |
| Texture texture; |
| bool textureEnabled = false; |
| |
| // color used when texturing is disabled or when setting alpha. |
| half4 color; |
| |
| // true if the sampled pixel values are in Y410/BT2020 rather than RGBA |
| bool isY410BT2020 = false; |
| |
| // transfer functions for the input/output |
| TransferFunction inputTransferFunction = TransferFunction::LINEAR; |
| TransferFunction outputTransferFunction = TransferFunction::LINEAR; |
| |
| float displayMaxLuminance; |
| float maxMasteringLuminance; |
| float maxContentLuminance; |
| |
| // projection matrix |
| mat4 projectionMatrix; |
| |
| // The color matrix will be applied in linear space right before OETF. |
| mat4 colorMatrix; |
| mat4 inputTransformMatrix; |
| mat4 outputTransformMatrix; |
| |
| // True if this layer will draw a shadow. |
| bool drawShadows = false; |
| }; |
| |
| } // namespace renderengine |
| } // namespace android |
| |
| #endif /* SF_RENDER_ENGINE_DESCRIPTION_H_ */ |