mirror of
https://github.com/bulletphysics/bullet3
synced 2024-12-14 22:00:05 +00:00
138 lines
4.9 KiB
C++
138 lines
4.9 KiB
C++
/*
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Copyright (c) 2012 Advanced Micro Devices, Inc.
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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//Originally written by Erwin Coumans
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#ifndef GL_INSTANCING_RENDERER_H
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#define GL_INSTANCING_RENDERER_H
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#include "Bullet3Common/b3AlignedObjectArray.h"
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#include "../CommonInterfaces/CommonRenderInterface.h"
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#include "SimpleCamera.h"
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class GLInstancingRenderer : public CommonRenderInterface
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{
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b3AlignedObjectArray<struct b3GraphicsInstance*> m_graphicsInstances;
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struct InternalDataRenderer* m_data;
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bool m_textureenabled;
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bool m_textureinitialized;
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int m_screenWidth;
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int m_screenHeight;
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int m_upAxis;
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bool m_enableBlend;
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void renderSceneInternal(int renderMode=B3_DEFAULT_RENDERMODE);
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public:
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GLInstancingRenderer(int m_maxObjectCapacity, int maxShapeCapacityInBytes = 56*1024*1024);
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virtual ~GLInstancingRenderer();
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virtual void init();
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virtual void renderScene();
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void InitShaders();
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void CleanupShaders();
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virtual void removeAllInstances();
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virtual void updateShape(int shapeIndex, const float* vertices);
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///vertices must be in the format x,y,z, nx,ny,nz, u,v
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virtual int registerShape(const float* vertices, int numvertices, const int* indices, int numIndices, int primitiveType=B3_GL_TRIANGLES, int textureIndex=-1);
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virtual int registerTexture(const unsigned char* texels, int width, int height);
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virtual void updateTexture(int textureIndex, const unsigned char* texels);
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virtual void activateTexture(int textureIndex);
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///position x,y,z, quaternion x,y,z,w, color r,g,b,a, scaling x,y,z
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virtual int registerGraphicsInstance(int shapeIndex, const float* position, const float* quaternion, const float* color, const float* scaling);
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virtual int registerGraphicsInstance(int shapeIndex, const double* position, const double* quaternion, const double* color, const double* scaling);
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void writeTransforms();
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virtual void writeSingleInstanceTransformToCPU(const float* position, const float* orientation, int srcIndex);
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virtual void writeSingleInstanceTransformToCPU(const double* position, const double* orientation, int srcIndex)
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{
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float pos[4];
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float orn[4];
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pos[0] = (float)position[0];
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pos[1] = (float)position[1];
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pos[2] = (float)position[2];
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pos[3] = (float)position[3];
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orn[0] =(float)orientation[0];
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orn[1] =(float)orientation[1];
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orn[2] =(float)orientation[2];
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orn[3] =(float)orientation[3];
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writeSingleInstanceTransformToCPU(pos,orn,srcIndex);
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}
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virtual void writeSingleInstanceTransformToGPU(float* position, float* orientation, int srcIndex);
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virtual void writeSingleInstanceColorToCPU(float* color, int srcIndex);
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virtual void writeSingleInstanceColorToCPU(double* color, int srcIndex);
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virtual struct GLInstanceRendererInternalData* getInternalData();
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virtual void drawLine(const float from[4], const float to[4], const float color[4], float lineWidth=1);
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virtual void drawLine(const double from[4], const double to[4], const double color[4], double lineWidth=1);
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virtual void drawLines(const float* positions, const float color[4], int numPoints, int pointStrideInBytes, const unsigned int* indices, int numIndices, float pointDrawSize);
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virtual void drawPoints(const float* positions, const float color[4], int numPoints, int pointStrideInBytes, float pointDrawSize);
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virtual void drawPoint(const float* position, const float color[4], float pointSize=1);
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virtual void drawPoint(const double* position, const double color[4], double pointDrawSize=1);
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virtual void updateCamera(int upAxis=1);
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virtual const CommonCameraInterface* getActiveCamera() const;
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virtual CommonCameraInterface* getActiveCamera();
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virtual void setActiveCamera(CommonCameraInterface* cam);
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virtual void resize(int width, int height);
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virtual int getScreenWidth()
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{
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return m_screenWidth;
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}
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virtual int getScreenHeight()
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{
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return m_screenHeight;
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}
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virtual int getMaxShapeCapacity() const;
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virtual int getInstanceCapacity() const;
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virtual void enableShadowMap();
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virtual void enableBlend(bool blend)
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{
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m_enableBlend = blend;
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}
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virtual void clearZBuffer();
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};
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#endif //GL_INSTANCING_RENDERER_H
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