624234f69b
This change extracts the scale parameters of the current transform to pass then to the font renderer. Rotation and perspective are applied to the generated mesh inside the vertex shader. This limits the number of glyphs we have to create in the font cache and thus reduces memory churn. Change-Id: Ic5b3bae2b2b0e0250a8ee723b071a1709725c749
83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
/*
|
|
* Copyright (C) 2011 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_LAYER_RENDERER_H
|
|
#define ANDROID_HWUI_LAYER_RENDERER_H
|
|
|
|
#include <cutils/compiler.h>
|
|
|
|
#include "OpenGLRenderer.h"
|
|
#include "Layer.h"
|
|
|
|
#include <SkBitmap.h>
|
|
|
|
namespace android {
|
|
namespace uirenderer {
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Defines
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
// Debug
|
|
#if DEBUG_LAYER_RENDERER
|
|
#define LAYER_RENDERER_LOGD(...) ALOGD(__VA_ARGS__)
|
|
#else
|
|
#define LAYER_RENDERER_LOGD(...)
|
|
#endif
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Renderer
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
class LayerRenderer: public OpenGLRenderer {
|
|
public:
|
|
ANDROID_API LayerRenderer(Layer* layer);
|
|
virtual ~LayerRenderer();
|
|
|
|
virtual void setViewport(int width, int height);
|
|
virtual status_t prepareDirty(float left, float top, float right, float bottom, bool opaque);
|
|
virtual status_t clear(float left, float top, float right, float bottom, bool opaque);
|
|
virtual void finish();
|
|
|
|
ANDROID_API static Layer* createTextureLayer(bool isOpaque);
|
|
ANDROID_API static Layer* createLayer(uint32_t width, uint32_t height, bool isOpaque = false);
|
|
ANDROID_API static bool resizeLayer(Layer* layer, uint32_t width, uint32_t height);
|
|
ANDROID_API static void updateTextureLayer(Layer* layer, uint32_t width, uint32_t height,
|
|
bool isOpaque, GLenum renderTarget, float* transform);
|
|
ANDROID_API static void destroyLayer(Layer* layer);
|
|
ANDROID_API static void destroyLayerDeferred(Layer* layer);
|
|
ANDROID_API static bool copyLayer(Layer* layer, SkBitmap* bitmap);
|
|
|
|
static void flushLayer(Layer* layer);
|
|
|
|
protected:
|
|
virtual void ensureStencilBuffer();
|
|
virtual bool hasLayer() const;
|
|
virtual Region* getRegion() const;
|
|
virtual GLint getTargetFbo() const;
|
|
virtual bool suppressErrorChecks() const;
|
|
|
|
private:
|
|
void generateMesh();
|
|
|
|
Layer* mLayer;
|
|
}; // class LayerRenderer
|
|
|
|
}; // namespace uirenderer
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_HWUI_LAYER_RENDERER_H
|