replicant-frameworks_native/services/surfaceflinger/RenderEngine/RenderEngine.h
Mathias Agopian 875d8e1323 Refactor SF. Move all GL operations in their own class.
this is the first step to add support for GLES 2.x, this
change breaks the dependency of SF on GLES 1.x by moving
all operation into their own class.

Bug: 8679321

Change-Id: I0d2741eca2cefe67dfd9cf837cac10c4d126928b
2013-07-03 14:39:27 -07:00

79 lines
2.5 KiB
C++

/*
* 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_RENDERENGINE_H_
#define SF_RENDERENGINE_H_
#include <stdint.h>
#include <sys/types.h>
#include <EGL/egl.h>
// ---------------------------------------------------------------------------
namespace android {
// ---------------------------------------------------------------------------
class String8;
class RenderEngine {
enum GlesVersion {
GLES_VERSION_1_0 = 0x10000,
GLES_VERSION_1_1 = 0x10001,
GLES_VERSION_2_0 = 0x20000,
GLES_VERSION_3_0 = 0x30000,
};
static GlesVersion parseGlesVersion(const char* str);
EGLContext mEGLContext;
void setEGLContext(EGLContext ctxt);
protected:
RenderEngine();
virtual ~RenderEngine() = 0;
public:
static RenderEngine* create(EGLDisplay display, EGLConfig config);
virtual void checkErrors() const;
virtual void dump(String8& result) = 0;
virtual void setViewportAndProjection(size_t w, size_t h) = 0;
virtual void setupLayerBlending(bool premultipliedAlpha, bool opaque, int alpha) = 0;
virtual void setupDimLayerBlending(int alpha) = 0;
virtual void setupLayerTexturing(size_t textureName, bool useFiltering, const float* textureMatrix) = 0;
virtual void setupLayerBlackedOut() = 0;
virtual void disableTexturing() = 0;
virtual void disableBlending() = 0;
virtual void clearWithColor(const float vertices[][2], size_t count,
float red, float green, float blue, float alpha) = 0;
virtual void drawMesh2D(const float vertices[][2], const float texCoords[][2], size_t count) = 0;
virtual size_t getMaxTextureSize() const = 0;
virtual size_t getMaxViewportDims() const = 0;
EGLContext getEGLContext() const;
};
// ---------------------------------------------------------------------------
}; // namespace android
// ---------------------------------------------------------------------------
#endif /* SF_RENDERENGINE_H_ */