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//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of NVIDIA CORPORATION nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
#ifndef GLES2_RENDERER_H
#define GLES2_RENDERER_H
#include <RendererConfig.h>
#if defined(RENDERER_ENABLE_GLES2)
#if defined(RENDERER_ANDROID)
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <EGL/egl.h>
extern PFNGLMAPBUFFEROESPROC glMapBufferOES;
extern PFNGLUNMAPBUFFEROESPROC glUnmapBufferOES;
#elif defined(RENDERER_IOS)
#include <OpenGLES/ES2/gl.h>
#include <OpenGLES/ES2/glext.h>
#endif
#define GL_TEXTURE0_ARB GL_TEXTURE0
#define glBindBufferARB glBindBuffer
#define glBufferDataARB glBufferData
#define GL_ELEMENT_ARRAY_BUFFER_ARB GL_ELEMENT_ARRAY_BUFFER
#define GL_ARRAY_BUFFER_ARB GL_ARRAY_BUFFER
#define GL_STATIC_DRAW_ARB GL_STATIC_DRAW
#define GL_DYNAMIC_DRAW_ARB GL_DYNAMIC_DRAW
#define glGenBuffersARB glGenBuffers
#define glDeleteBuffersARB glDeleteBuffers
#define GL_CLAMP GL_CLAMP_TO_EDGE
#define GL_WRITE_ONLY GL_WRITE_ONLY_OES
#define GL_READ_WRITE GL_WRITE_ONLY_OES
extern bool GLEW_ARB_vertex_buffer_object;
#define glActiveTextureARB glActiveTexture
#define glClientActiveTextureARB(a)
/* GL_EXT_texture_compression_dxt1 */
#ifndef GL_EXT_texture_compression_dxt1
#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
#endif
/* GL_EXT_texture_compression_s3tc */
#ifndef GL_EXT_texture_compression_s3tc
/* GL_COMPRESSED_RGB_S3TC_DXT1_EXT defined in GL_EXT_texture_compression_dxt1 already. */
/* GL_COMPRESSED_RGBA_S3TC_DXT1_EXT defined in GL_EXT_texture_compression_dxt1 already. */
#define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
#endif
#define GL_RGBA8 GL_RGBA
#define GL_BGRA8 GL_BGRA
#include <Renderer.h>
namespace SampleFramework {
class SamplePlatform;
}
namespace SampleRenderer
{
class RendererVertexBuffer;
class RendererIndexBuffer;
class RendererMaterial;
void PxToGL(GLfloat *gl44, const physx::PxMat44 &mat);
void PxToGLColumnMajor(GLfloat *gl44, const physx::PxMat44 &mat);
void RenToGL(GLfloat *gl44, const RendererProjection &proj);
void RenToGLColumnMajor(GLfloat *gl44, const RendererProjection &proj);
class GLES2Renderer : public Renderer
{
public:
GLES2Renderer(const RendererDesc &desc, const char* assetDir);
virtual ~GLES2Renderer(void);
private:
bool begin(void);
void end(void);
void checkResize(void);
public:
// clears the offscreen buffers.
virtual void clearBuffers(void);
// presents the current color buffer to the screen.
virtual bool swapBuffers(void);
// get the device pointer (void * abstraction)
virtual void *getDevice();
virtual bool captureScreen(const char*);
virtual bool captureScreen(PxU32 &width, PxU32& height, PxU32& sizeInBytes, const void*& screenshotData);
// get the window size
void getWindowSize(PxU32 &width, PxU32 &height) const;
// copy common renderer variables to the material (like g_MVP, g_modelMatrix, etc)
virtual void setCommonRendererParameters();
virtual RendererVertexBuffer *createVertexBuffer( const RendererVertexBufferDesc &desc);
virtual RendererIndexBuffer *createIndexBuffer( const RendererIndexBufferDesc &desc);
virtual RendererInstanceBuffer *createInstanceBuffer(const RendererInstanceBufferDesc &desc);
virtual RendererTexture2D *createTexture2D( const RendererTexture2DDesc &desc);
virtual RendererTexture3D *createTexture3D( const RendererTexture3DDesc &desc);
virtual RendererTarget *createTarget( const RendererTargetDesc &desc);
virtual RendererMaterial *createMaterial( const RendererMaterialDesc &desc);
virtual RendererMesh *createMesh( const RendererMeshDesc &desc);
virtual RendererLight *createLight( const RendererLightDesc &desc);
void finalizeTextRender();
void finishRendering();
virtual void setVsync(bool on);
private:
virtual void bindViewProj(const physx::PxMat44 &inveye, const RendererProjection &proj);
virtual void bindFogState(const RendererColor &fogColor, float fogDistance);
virtual void bindAmbientState(const RendererColor &ambientColor);
virtual void bindDeferredState(void);
virtual void bindMeshContext(const RendererMeshContext &context);
virtual void beginMultiPass(void);
virtual void endMultiPass(void);
virtual void beginTransparentMultiPass(void);
virtual void endTransparentMultiPass(void);
virtual void renderDeferredLight(const RendererLight &light);
virtual PxU32 convertColor(const RendererColor& color) const;
virtual bool isOk(void) const;
virtual bool initTexter();
virtual void setupTextRenderStates();
virtual void resetTextRenderStates();
virtual void renderTextBuffer(const void* vertices, PxU32 nbVerts, const PxU16* indices, PxU32 nbIndices, SampleRenderer::RendererMaterial* material);
virtual void renderLines2D(const void* vertices, PxU32 nbVerts);
virtual void setupScreenquadRenderStates();
virtual void resetScreenquadRenderStates();
private:
SampleFramework::SamplePlatform* m_platform;
RendererVertexBuffer* m_textVertexBuffer;
RendererIndexBuffer* m_textIndexBuffer;
PxU32 m_textVertexBufferOffset;
PxU32 m_textIndexBufferOffset;
RendererMaterial* m_textMaterial;
RendererMesh* m_textMesh;
PxU32 m_displayWidth;
PxU32 m_displayHeight;
physx::PxMat44 m_viewMatrix;
GLfloat m_glProjectionMatrix[16], m_glProjectionMatrixC[16];
PxVec3 m_eyePosition;
PxVec3 m_eyeDirection;
GLfloat m_ambientColor[3];
GLfloat m_lightColor[3];
GLfloat m_intensity;
GLfloat m_lightDirection[3];
GLfloat m_fogColorAndDistance[4];
};
}
#endif // #if defined(RENDERER_ENABLE_GLES2)
#endif
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