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Diffstat (limited to 'src/graphics/OGLHelper.h')
| -rw-r--r-- | src/graphics/OGLHelper.h | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/src/graphics/OGLHelper.h b/src/graphics/OGLHelper.h new file mode 100644 index 0000000..25531d6 --- /dev/null +++ b/src/graphics/OGLHelper.h @@ -0,0 +1,253 @@ +// +// libavg - Media Playback Engine. +// Copyright (C) 2003-2014 Ulrich von Zadow +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// +// Current versions can be found at www.libavg.de +// + +#ifndef _OGLHelper_H_ +#define _OGLHelper_H_ + +#include "../api.h" +#include "../avgconfigwrapper.h" + +#ifdef _WIN32 + #include <windows.h> + #undef ERROR + #undef WARNING + #include <GL/gl.h> + #include <GL/glu.h> + #include "GL/glext.h" + #include "GL/wglext.h" +#else + #ifdef AVG_ENABLE_EGL + #define EGL_EGLEXT_PROTOTYPES + #include <EGL/egl.h> + #include <GLES2/gl2.h> + #include <GLES2/gl2ext.h> + #else + #include "GL/gl.h" + #include "GL/glu.h" + #include "GL/glext.h" + #endif +#endif +#if defined(linux) && !defined(AVG_ENABLE_EGL) + #define GLX_GLXEXT_PROTOTYPES + #ifndef __GLXextFuncPtr + typedef void (*__GLXextFuncPtr)(void); + #endif + #include "GL/glx.h" +#endif + +#ifdef linux + #ifndef GLX_CONTEXT_ES2_PROFILE_BIT_EXT + #define GLX_CONTEXT_ES2_PROFILE_BIT_EXT 0x00000004 + #endif +#endif + +// For NVX_gpu_memory_info +#ifndef GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX + #define GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX 0x9047 + #define GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX 0x9048 + #define GPU_MEMORY_INFO_CURRENT_AVAILABLE_VIDMEM_NVX 0x9049 + #define GPU_MEMORY_INFO_EVICTION_COUNT_NVX 0x904A + #define GPU_MEMORY_INFO_EVICTED_MEMORY_NVX 0x904B +#endif + +#include <string> + +#ifndef APIENTRY +#define APIENTRY +#endif + +namespace avg { + +bool AVG_API queryOGLExtension(const char* extName); +bool AVG_API queryGLXExtension(const char* extName); +std::string AVG_API oglModeToString(int mode); + +enum OGLMemoryMode { + MM_OGL, // Standard OpenGL + MM_PBO // pixel buffer objects +}; + +std::string oglMemoryMode2String(OGLMemoryMode mode); + +void AVG_API clearGLBuffers(GLbitfield mask, bool bOpaque); + +typedef void (*GLfunction)(); +GLfunction AVG_API getFuzzyProcAddress(const char * psz); +#ifdef linux +GLfunction getglXProcAddress(const char * psz); +#endif + +#ifdef AVG_ENABLE_EGL +#define GL_WRITE_ONLY GL_WRITE_ONLY_OES +#define GL_DYNAMIC_READ 0x88E9 +#define GL_BGRA 0x80E1 + +typedef void (GL_APIENTRYP PFNGLGENBUFFERSPROC) (GLsizei n, GLuint *buffers); +typedef void (GL_APIENTRYP PFNGLBUFFERDATAPROC) (GLenum target, GLsizeiptr size, + const GLvoid* data, GLenum usage); +typedef void (APIENTRY* DEBUGCALLBACKPROC) (GLenum source, GLenum type, GLuint id, + GLenum severity, GLsizei length, const GLchar* message, GLvoid* userParam); +typedef void (GL_APIENTRYP PFNGLDEBUGMESSAGECALLBACKPROC) (DEBUGCALLBACKPROC callback, + void* userParam); +typedef void (GL_APIENTRYP PFNGLDELETEBUFFERSPROC) (GLsizei n, const GLuint* buffers); +typedef void (GL_APIENTRYP PFNGLBINDBUFFERPROC) (GLenum target, GLuint buffer); +typedef void* (GL_APIENTRYP PFNGLMAPBUFFERPROC) (GLenum target, GLenum access); +typedef GLboolean (GL_APIENTRYP PFNGLUNMAPBUFFERPROC) (GLenum target); +typedef GLuint (GL_APIENTRYP PFNGLCREATESHADERPROC) (GLenum type); +typedef void (GL_APIENTRYP PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count, + const GLchar** string, const GLint* length); +typedef void (GL_APIENTRYP PFNGLCOMPILESHADERPROC) (GLuint shader); +typedef GLuint (GL_APIENTRYP PFNGLCREATEPROGRAMPROC) (void); +typedef void (GL_APIENTRYP PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader); +typedef void (GL_APIENTRYP PFNGLLINKPROGRAMPROC) (GLuint program); +typedef void (GL_APIENTRYP PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, + GLint* params); +typedef void (GL_APIENTRYP PFNGLGETPROGRAMIVPROC) (GLuint program, GLenum pname, + GLint* params); +typedef void (GL_APIENTRYP PFNGLGETSHADERINFOLOGPROC) (GLuint shader, GLsizei bufsize, + GLsizei* length, GLchar* infolog); +typedef void (GL_APIENTRYP PFNGLGETPROGRAMINFOLOGPROC) (GLuint shader, GLsizei bufsize, + GLsizei* length, GLchar* infolog); +typedef void (GL_APIENTRYP PFNGLUSEPROGRAMPROC) (GLuint program); +typedef int (GL_APIENTRYP PFNGLGETUNIFORMLOCATIONPROC) (GLuint program, + const GLchar* name); +typedef void (GL_APIENTRYP PFNGLUNIFORM1IPROC) (GLint location, GLint x); +typedef void (GL_APIENTRYP PFNGLUNIFORM1FPROC) (GLint location, GLfloat x); +typedef void (GL_APIENTRYP PFNGLUNIFORM2FPROC) (GLint location, GLfloat x, GLfloat y); +typedef void (GL_APIENTRYP PFNGLUNIFORM3FPROC) (GLint location, GLfloat x, GLfloat y, + GLfloat z); +typedef void (GL_APIENTRYP PFNGLUNIFORM4FPROC) (GLint location, GLfloat x, GLfloat y, + GLfloat z, GLfloat w); +typedef void (GL_APIENTRYP PFNGLUNIFORM1FVPROC) (GLint location, GLsizei count, + const GLfloat* v); +typedef void (GL_APIENTRYP PFNGLUNIFORMMATRIX4FVPROC) (GLint location, GLsizei count, + GLboolean transpose, const GLfloat* value); +typedef void (GL_APIENTRYP PFNGLBLENDFUNCSEPARATEPROC) (GLenum srcRGB, GLenum dstRGB, + GLenum srcAlpha, GLenum dstAlpha); +typedef void (GL_APIENTRYP PFNGLBLENDEQUATIONPROC) ( GLenum mode ); +typedef void (GL_APIENTRYP PFNGLBLENDCOLORPROC) (GLclampf red, GLclampf green, + GLclampf blue, GLclampf alpha); +typedef void (GL_APIENTRYP PFNGLACTIVETEXTUREPROC) (GLenum texture); +typedef void (GL_APIENTRYP PFNGLGENERATEMIPMAPPROC) (GLenum target); +typedef GLenum (GL_APIENTRYP PFNGLCHECKFRAMEBUFFERSTATUSPROC) (GLenum target); +typedef void (GL_APIENTRYP PFNGLGENFRAMEBUFFERSPROC) (GLsizei n, GLuint* framebuffers); +typedef void (GL_APIENTRYP PFNGLBINDFRAMEBUFFERPROC) (GLenum target, GLuint framebuffer); +typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERTEXTURE2DPROC) (GLenum target, + GLenum attachment, GLenum textarget, GLuint texture, GLint level); +typedef void (GL_APIENTRYP PFNGLDELETEFRAMEBUFFERSPROC) (GLsizei n, + const GLuint* framebuffers); +typedef void (GL_APIENTRYP PFNGLGENRENDERBUFFERSPROC) (GLsizei n, GLuint* renderbuffers); +typedef void (GL_APIENTRYP PFNGLBINDRENDERBUFFERPROC) (GLenum target, + GLuint renderbuffer); +typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEPROC) (GLenum target, + GLenum internalformat, GLsizei width, GLsizei height); +typedef void (GL_APIENTRYP PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC) (GLenum target, + GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height); +typedef void (GL_APIENTRYP PFNGLFRAMEBUFFERRENDERBUFFERPROC) (GLenum target, + GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer); +//TODO: BLITFRAMEBUFFER +typedef void (GL_APIENTRYP PFNGLDELETERENDERBUFFERSPROC) (GLsizei n, + const GLuint* renderbuffers); +typedef void (GL_APIENTRYP PFNGLVERTEXATTRIBPOINTERPROC) (GLuint indx, GLint size, + GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr); +typedef void (GL_APIENTRYP PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index); +typedef void (GL_APIENTRYP PFNGLBINDATTRIBLOCATIONPROC) (GLuint program, GLuint index, + const GLchar* name); +#else +#define PFNGLDEBUGMESSAGECALLBACKPROC PFNGLDEBUGMESSAGECALLBACKARBPROC +#endif + +namespace glproc { + extern AVG_API PFNGLGENBUFFERSPROC GenBuffers; + extern AVG_API PFNGLBUFFERDATAPROC BufferData; +#ifndef AVG_ENABLE_EGL + extern AVG_API PFNGLBUFFERSUBDATAPROC BufferSubData; + extern AVG_API PFNGLGETBUFFERSUBDATAPROC GetBufferSubData; + extern AVG_API PFNGLDRAWBUFFERSPROC DrawBuffers; + extern AVG_API PFNGLDRAWRANGEELEMENTSPROC DrawRangeElements; + extern AVG_API PFNGLBLITFRAMEBUFFERPROC BlitFramebuffer; + extern AVG_API PFNGLGETOBJECTPARAMETERIVARBPROC GetObjectParameteriv; +#endif + extern AVG_API PFNGLDEBUGMESSAGECALLBACKPROC DebugMessageCallback; + extern AVG_API PFNGLDELETEBUFFERSPROC DeleteBuffers; + extern AVG_API PFNGLBINDBUFFERPROC BindBuffer; + extern AVG_API PFNGLMAPBUFFERPROC MapBuffer; + extern AVG_API PFNGLUNMAPBUFFERPROC UnmapBuffer; + + extern AVG_API PFNGLCREATESHADERPROC CreateShader; + extern AVG_API PFNGLSHADERSOURCEPROC ShaderSource; + extern AVG_API PFNGLCOMPILESHADERPROC CompileShader; + extern AVG_API PFNGLCREATEPROGRAMPROC CreateProgram; + extern AVG_API PFNGLATTACHSHADERPROC AttachShader; + extern AVG_API PFNGLLINKPROGRAMPROC LinkProgram; + extern AVG_API PFNGLGETSHADERIVPROC GetShaderiv; + extern AVG_API PFNGLGETPROGRAMIVPROC GetProgramiv; + extern AVG_API PFNGLGETSHADERINFOLOGPROC GetShaderInfoLog; + extern AVG_API PFNGLGETPROGRAMINFOLOGPROC GetProgramInfoLog; + extern AVG_API PFNGLUSEPROGRAMPROC UseProgram; + extern AVG_API PFNGLGETUNIFORMLOCATIONPROC GetUniformLocation; + extern AVG_API PFNGLUNIFORM1IPROC Uniform1i; + extern AVG_API PFNGLUNIFORM1FPROC Uniform1f; + extern AVG_API PFNGLUNIFORM2FPROC Uniform2f; + extern AVG_API PFNGLUNIFORM3FPROC Uniform3f; + extern AVG_API PFNGLUNIFORM4FPROC Uniform4f; + extern AVG_API PFNGLUNIFORM1FVPROC Uniform1fv; + extern AVG_API PFNGLUNIFORMMATRIX4FVPROC UniformMatrix4fv; + + extern AVG_API PFNGLBLENDFUNCSEPARATEPROC BlendFuncSeparate; + extern AVG_API PFNGLBLENDEQUATIONPROC BlendEquation; + extern AVG_API PFNGLBLENDCOLORPROC BlendColor; + extern AVG_API PFNGLACTIVETEXTUREPROC ActiveTexture; + extern AVG_API PFNGLGENERATEMIPMAPPROC GenerateMipmap; + + extern AVG_API PFNGLCHECKFRAMEBUFFERSTATUSPROC CheckFramebufferStatus; + extern AVG_API PFNGLGENFRAMEBUFFERSPROC GenFramebuffers; + extern AVG_API PFNGLBINDFRAMEBUFFERPROC BindFramebuffer; + extern AVG_API PFNGLFRAMEBUFFERTEXTURE2DPROC FramebufferTexture2D; + extern AVG_API PFNGLDELETEFRAMEBUFFERSPROC DeleteFramebuffers; + extern AVG_API PFNGLGENRENDERBUFFERSPROC GenRenderbuffers; + extern AVG_API PFNGLBINDRENDERBUFFERPROC BindRenderbuffer; + extern AVG_API PFNGLRENDERBUFFERSTORAGEPROC RenderbufferStorage; + extern AVG_API PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC + RenderbufferStorageMultisample; + extern AVG_API PFNGLFRAMEBUFFERRENDERBUFFERPROC FramebufferRenderbuffer; + extern AVG_API PFNGLDELETERENDERBUFFERSPROC DeleteRenderbuffers; + + extern AVG_API PFNGLVERTEXATTRIBPOINTERPROC VertexAttribPointer; + extern AVG_API PFNGLENABLEVERTEXATTRIBARRAYPROC EnableVertexAttribArray; + extern AVG_API PFNGLBINDATTRIBLOCATIONPROC BindAttribLocation; +#if defined(linux) && !defined(AVG_ENABLE_EGL) + extern PFNGLXSWAPINTERVALEXTPROC SwapIntervalEXT; +#endif +#ifdef _WIN32 + extern AVG_API PFNWGLGETEXTENSIONSSTRINGARBPROC GetExtensionsStringARB; + extern AVG_API PFNWGLGETSWAPINTERVALEXTPROC GetSwapIntervalEXT; + extern AVG_API PFNWGLSWAPINTERVALEXTPROC SwapIntervalEXT; +#endif + void init(); + + extern void * s_hGLLib; +} + +} + +#endif + |