46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
|
|
/*
|
|
* Copyright (C) 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 ANDROID_HWUI_SHADOW_TESSELLATOR_H
|
|
#define ANDROID_HWUI_SHADOW_TESSELLATOR_H
|
|
|
|
#include "Debug.h"
|
|
#include "Matrix.h"
|
|
|
|
namespace android {
|
|
namespace uirenderer {
|
|
|
|
class ShadowTessellator {
|
|
public:
|
|
static void tessellateAmbientShadow(float width, float height,
|
|
const mat4& casterTransform, VertexBuffer& shadowVertexBuffer);
|
|
|
|
static void tessellateSpotShadow(float width, float height,
|
|
int screenWidth, int screenHeight,
|
|
const mat4& casterTransform, VertexBuffer& shadowVertexBuffer);
|
|
|
|
private:
|
|
static void generateCasterPolygon(float width, float height,
|
|
const mat4& casterTransform, int vertexCount, Vector3* polygon);
|
|
|
|
}; // ShadowTessellator
|
|
|
|
}; // namespace uirenderer
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_HWUI_SHADOW_TESSELLATOR_H
|