#include "quakedef.h" #ifdef GLQUAKE #include "glquake.h" #include "gl_draw.h" #include "shader.h" //standard 1.1 opengl calls void (APIENTRY *qglAlphaFunc) (GLenum func, GLclampf ref); void (APIENTRY *qglBegin) (GLenum mode); void (APIENTRY *qglBlendFunc) (GLenum sfactor, GLenum dfactor); void (APIENTRY *qglCallList) (GLuint list); void (APIENTRY *qglClear) (GLbitfield mask); void (APIENTRY *qglClearColor) (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha); void (APIENTRY *qglClearDepth) (GLclampd depth); void (APIENTRY *qglClearStencil) (GLint s); void (APIENTRY *qglClipPlane) (GLenum plane, const GLdouble *equation); void (APIENTRY *qglColor3f) (GLfloat red, GLfloat green, GLfloat blue); void (APIENTRY *qglColor3ub) (GLubyte red, GLubyte green, GLubyte blue); void (APIENTRY *qglColor4f) (GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha); void (APIENTRY *qglColor4fv) (const GLfloat *v); void (APIENTRY *qglColor4ub) (GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha); void (APIENTRY *qglColor4ubv) (const GLubyte *v); void (APIENTRY *qglColorMask) (GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha); void (APIENTRY *qglCopyTexImage2D) (GLenum target, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border); void (APIENTRY *qglCopyTexSubImage2D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height); void (APIENTRY *qglCullFace) (GLenum mode); void (APIENTRY *qglDepthFunc) (GLenum func); void (APIENTRY *qglDepthMask) (GLboolean flag); void (APIENTRY *qglDepthRange) (GLclampd zNear, GLclampd zFar); void (APIENTRY *qglDisable) (GLenum cap); void (APIENTRY *qglDrawBuffer) (GLenum mode); void (APIENTRY *qglDrawPixels) (GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels); void (APIENTRY *qglEnable) (GLenum cap); void (APIENTRY *qglEnd) (void); void (APIENTRY *qglEndList) (void); void (APIENTRY *qglFinish) (void); void (APIENTRY *qglFlush) (void); void (APIENTRY *qglFrustum) (GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble zNear, GLdouble zFar); GLuint (APIENTRY *qglGenLists) (GLsizei range); void (APIENTRY *qglGenTextures) (GLsizei n, GLuint *textures); GLenum (APIENTRY *qglGetError) (void); void (APIENTRY *qglGetFloatv) (GLenum pname, GLfloat *params); void (APIENTRY *qglGetIntegerv) (GLenum pname, GLint *params); const GLubyte * (APIENTRY *qglGetString) (GLenum name); void (APIENTRY *qglHint) (GLenum target, GLenum mode); void (APIENTRY *qglLoadIdentity) (void); void (APIENTRY *qglLoadMatrixf) (const GLfloat *m); void (APIENTRY *qglNormal3f) (GLfloat nx, GLfloat ny, GLfloat nz); void (APIENTRY *qglNormal3fv) (const GLfloat *v); void (APIENTRY *qglMatrixMode) (GLenum mode); void (APIENTRY *qglMultMatrixf) (const GLfloat *m); void (APIENTRY *qglNewList) (GLuint list, GLenum mode); void (APIENTRY *qglOrtho) (GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble zNear, GLdouble zFar); void (APIENTRY *qglPolygonMode) (GLenum face, GLenum mode); void (APIENTRY *qglPolygonOffset) (GLfloat factor, GLfloat units); void (APIENTRY *qglPopMatrix) (void); void (APIENTRY *qglPushMatrix) (void); void (APIENTRY *qglReadBuffer) (GLenum mode); void (APIENTRY *qglReadPixels) (GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels); void (APIENTRY *qglRotatef) (GLfloat angle, GLfloat x, GLfloat y, GLfloat z); void (APIENTRY *qglScalef) (GLfloat x, GLfloat y, GLfloat z); void (APIENTRY *qglShadeModel) (GLenum mode); void (APIENTRY *qglTexCoord1f) (GLfloat s); void (APIENTRY *qglTexCoord2f) (GLfloat s, GLfloat t); void (APIENTRY *qglTexCoord2fv) (const GLfloat *v); void (APIENTRY *qglTexEnvf) (GLenum target, GLenum pname, GLfloat param); void (APIENTRY *qglTexEnvfv) (GLenum target, GLenum pname, const GLfloat *param); void (APIENTRY *qglTexEnvi) (GLenum target, GLenum pname, GLint param); void (APIENTRY *qglTexGeni) (GLenum coord, GLenum pname, GLint param); void (APIENTRY *qglTexGenfv) (GLenum coord, GLenum pname, const GLfloat *param); void (APIENTRY *qglTexImage2D) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels); void (APIENTRY *qglTexImage3D) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels); void (APIENTRY *qglTexParameteri) (GLenum target, GLenum pname, GLint param); void (APIENTRY *qglTexParameterf) (GLenum target, GLenum pname, GLfloat param); void (APIENTRY *qglTexParameteriv) (GLenum target, GLenum pname, const GLint *params); void (APIENTRY *qglTexParameterfv) (GLenum target, GLenum pname, const GLfloat *params); void (APIENTRY *qglTexSubImage2D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels); void (APIENTRY *qglTranslatef) (GLfloat x, GLfloat y, GLfloat z); void (APIENTRY *qglVertex2f) (GLfloat x, GLfloat y); void (APIENTRY *qglVertex3f) (GLfloat x, GLfloat y, GLfloat z); void (APIENTRY *qglVertex3fv) (const GLfloat *v); void (APIENTRY *qglViewport) (GLint x, GLint y, GLsizei width, GLsizei height); void (APIENTRY *qglGetTexLevelParameteriv) (GLenum target, GLint level, GLenum pname, GLint *params); void (APIENTRY *qglDrawRangeElements) (GLenum, GLuint, GLuint, GLsizei, GLenum, const GLvoid *); void (APIENTRY *qglDrawElements) (GLenum mode, GLsizei count, GLenum type, const GLvoid *indices); void (APIENTRY *qglArrayElement) (GLint i); void (APIENTRY *qglVertexPointer) (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer); void (APIENTRY *qglNormalPointer) (GLenum type, GLsizei stride, const GLvoid *pointer); void (APIENTRY *qglTexCoordPointer) (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer); void (APIENTRY *qglColorPointer) (GLint size, GLenum type, GLsizei stride, const GLvoid *pointer); void (APIENTRY *qglDrawArrays) (GLenum mode, GLint first, GLsizei count); void (APIENTRY *qglDisableClientState) (GLenum array); void (APIENTRY *qglEnableClientState) (GLenum array); void (APIENTRY *qglScissor) (GLint x, GLint y, GLsizei width, GLsizei height); void (APIENTRY *qglStencilOp) (GLenum fail, GLenum zfail, GLenum zpass); void (APIENTRY *qglStencilFunc) (GLenum func, GLint ref, GLuint mask); void (APIENTRY *qglPushAttrib) (GLbitfield mask); void (APIENTRY *qglPopAttrib) (void); void (APIENTRY *qglFogf) (GLenum pname, GLfloat param); void (APIENTRY *qglFogi) (GLenum pname, GLint param); void (APIENTRY *qglFogfv) (GLenum pname, const GLfloat *params); void (APIENTRY *qglDeleteTextures) (GLsizei n, const GLuint *textures); void (APIENTRY *qglGenBuffersARB)(GLsizei n, GLuint* ids); void (APIENTRY *qglDeleteBuffersARB)(GLsizei n, GLuint* ids); void (APIENTRY *qglBindBufferARB)(GLenum target, GLuint id); void (APIENTRY *qglBufferDataARB)(GLenum target, GLsizei size, const void* data, GLenum usage); void (APIENTRY *qglBufferSubDataARB)(GLenum target, GLint offset, GLsizei size, void* data); void *(APIENTRY *qglMapBufferARB)(GLenum target, GLenum access); GLboolean (APIENTRY *qglUnmapBufferARB)(GLenum target); const GLubyte * (APIENTRY * qglGetStringi) (GLenum name, GLuint index); void (APIENTRY *qglGenFramebuffersEXT)(GLsizei n, GLuint* ids); void (APIENTRY *qglDeleteFramebuffersEXT)(GLsizei n, const GLuint* ids); void (APIENTRY *qglBindFramebufferEXT)(GLenum target, GLuint id); void (APIENTRY *qglGenRenderbuffersEXT)(GLsizei n, GLuint* ids); void (APIENTRY *qglDeleteRenderbuffersEXT)(GLsizei n, const GLuint* ids); void (APIENTRY *qglBindRenderbufferEXT)(GLenum target, GLuint id); void (APIENTRY *qglRenderbufferStorageEXT)(GLenum target, GLenum internalFormat, GLsizei width, GLsizei height); void (APIENTRY *qglFramebufferTexture2DEXT)(GLenum target, GLenum attachmentPoint, GLenum textureTarget, GLuint textureId, GLint level); void (APIENTRY *qglFramebufferRenderbufferEXT)(GLenum target, GLenum attachmentPoint, GLenum textureTarget, GLuint textureId); GLenum (APIENTRY *qglCheckFramebufferStatusEXT)(GLenum target); /* PFNGLPROGRAMSTRINGARBPROC qglProgramStringARB; PFNGLGETPROGRAMIVARBPROC qglGetProgramivARB; PFNGLBINDPROGRAMARBPROC qglBindProgramARB; PFNGLGENPROGRAMSARBPROC qglGenProgramsARB; */ FTEPFNGLLOCKARRAYSEXTPROC qglLockArraysEXT; FTEPFNGLUNLOCKARRAYSEXTPROC qglUnlockArraysEXT; /*glslang - arb_shader_objects gl core uses different names/distinctions from the extension */ FTEPFNGLCREATEPROGRAMOBJECTARBPROC qglCreateProgramObjectARB; FTEPFNGLDELETEOBJECTARBPROC qglDeleteProgramObject_; FTEPFNGLDELETEOBJECTARBPROC qglDeleteShaderObject_; FTEPFNGLUSEPROGRAMOBJECTARBPROC qglUseProgramObjectARB; FTEPFNGLCREATESHADEROBJECTARBPROC qglCreateShaderObjectARB; FTEPFNGLSHADERSOURCEARBPROC qglShaderSourceARB; FTEPFNGLCOMPILESHADERARBPROC qglCompileShaderARB; FTEPFNGLGETOBJECTPARAMETERIVARBPROC qglGetShaderParameteriv_; FTEPFNGLGETOBJECTPARAMETERIVARBPROC qglGetProgramParameteriv_; FTEPFNGLATTACHOBJECTARBPROC qglAttachObjectARB; FTEPFNGLGETINFOLOGARBPROC qglGetShaderInfoLog_; FTEPFNGLGETINFOLOGARBPROC qglGetProgramInfoLog_; FTEPFNGLLINKPROGRAMARBPROC qglLinkProgramARB; FTEPFNGLBINDATTRIBLOCATIONARBPROC qglBindAttribLocationARB; FTEPFNGLGETATTRIBLOCATIONARBPROC qglGetAttribLocationARB; FTEPFNGLVERTEXATTRIBPOINTER qglVertexAttribPointer; FTEPFNGLGETVERTEXATTRIBIV qglGetVertexAttribiv; FTEPFNGLENABLEVERTEXATTRIBARRAY qglEnableVertexAttribArray; FTEPFNGLDISABLEVERTEXATTRIBARRAY qglDisableVertexAttribArray; FTEPFNGLGETUNIFORMLOCATIONARBPROC qglGetUniformLocationARB; FTEPFNGLUNIFORMMATRIXPROC qglUniformMatrix4fvARB; FTEPFNGLUNIFORMMATRIXPROC qglUniformMatrix3x4fv; FTEPFNGLUNIFORMMATRIXPROC qglUniformMatrix4x3fv; FTEPFNGLUNIFORM4FARBPROC qglUniform4fARB; FTEPFNGLUNIFORM4FVARBPROC qglUniform4fvARB; FTEPFNGLUNIFORM3FARBPROC qglUniform3fARB; FTEPFNGLUNIFORM3FVARBPROC qglUniform3fvARB; FTEPFNGLUNIFORM1IARBPROC qglUniform1iARB; FTEPFNGLUNIFORM1FARBPROC qglUniform1fARB; //extensions //arb multitexture qlpSelTexFUNC qglActiveTextureARB; qlpSelTexFUNC qglClientActiveTextureARB; qlpMTex3FUNC qglMultiTexCoord3fARB; qlpMTex2FUNC qglMultiTexCoord2fARB; //generic multitexture lpMTexFUNC qglMTexCoord2fSGIS; lpSelTexFUNC qglSelectTextureSGIS; int mtexid0; //ati_truform FTEPFNGLPNTRIANGLESIATIPROC qglPNTrianglesiATI; FTEPFNGLPNTRIANGLESFATIPROC qglPNTrianglesfATI; //stencil shadowing void (APIENTRY *qglStencilOpSeparateATI) (GLenum face, GLenum fail, GLenum zfail, GLenum zpass); FTEPFNGLACTIVESTENCILFACEEXTPROC qglActiveStencilFaceEXT; //quick hack that made quake work on both 1 and 1.1 gl implementations. BINDTEXFUNCPTR bindTexFunc; #define GLchar char #if defined(_DEBUG) && !defined(DEBUG) #define DEBUG #endif #if defined(DEBUG) typedef void (APIENTRY *GLDEBUGPROCAMD)(GLuint id, GLenum category, GLenum severity, GLsizei lengt, const GLchar* message, GLvoid* userParam); void (APIENTRY *qglDebugMessageEnableAMD)(GLenum category, GLenum severity, GLsizei count, const GLuint* ids, GLboolean enabled); void (APIENTRY *qglDebugMessageInsertAMD)(enum category, enum severity, GLuint id, GLsizei length, const char* buf); void (APIENTRY *qglDebugMessageCallbackAMD)(GLDEBUGPROCAMD callback, void* userParam); GLuint (APIENTRY *qglGetDebugMessageLogAMD)(GLuint count, GLsizei bufsize, GLenum* categories, GLuint* severities, GLuint* ids, GLsizei* lengths, char* message); #define GL_DEBUG_CATEGORY_API_ERROR_AMD 0x9149 #define GL_DEBUG_CATEGORY_WINDOW_SYSTEM_AMD 0x914A #define GL_DEBUG_CATEGORY_DEPRECATION_AMD 0x914B #define GL_DEBUG_CATEGORY_UNDEFINED_BEHAVIOR_AMD 0x914C #define GL_DEBUG_CATEGORY_PERFORMANCE_AMD 0x914D #define GL_DEBUG_CATEGORY_SHADER_COMPILER_AMD 0x914E #define GL_DEBUG_CATEGORY_APPLICATION_AMD 0x914F #define GL_DEBUG_CATEGORY_OTHER_AMD 0x9150 void (APIENTRY myGLDEBUGPROCAMD)(GLuint id, GLenum category, GLenum severity, GLsizei length, const GLchar* message, GLvoid* userParam) { #ifndef _WIN32 #define OutputDebugString(s) puts(s) #endif switch(category) { case GL_DEBUG_CATEGORY_API_ERROR_AMD: OutputDebugString("glerr: "); break; case GL_DEBUG_CATEGORY_WINDOW_SYSTEM_AMD: OutputDebugString("glwsys: "); break; case GL_DEBUG_CATEGORY_DEPRECATION_AMD: OutputDebugString("gldepr: "); break; case GL_DEBUG_CATEGORY_UNDEFINED_BEHAVIOR_AMD: OutputDebugString("glundef: "); break; case GL_DEBUG_CATEGORY_PERFORMANCE_AMD: OutputDebugString("glperf: "); break; case GL_DEBUG_CATEGORY_SHADER_COMPILER_AMD: OutputDebugString("glshad: "); break; case GL_DEBUG_CATEGORY_APPLICATION_AMD: OutputDebugString("glappm: "); break; default: case GL_DEBUG_CATEGORY_OTHER_AMD: OutputDebugString("glothr: "); break; } OutputDebugString(message); OutputDebugString("\n"); } #endif int gl_mtexarbable=0; //max texture units qboolean gl_mtexable = false; qboolean gammaworks; //if the gl drivers can set proper gamma. gl_config_t gl_config; int gl_stencilbits; float gldepthmin, gldepthmax; const char *gl_vendor; const char *gl_renderer; const char *gl_version; static const char *gl_extensions; static unsigned int gl_num_extensions; qboolean GL_CheckExtension(char *extname) { int i; cvar_t *v = Cvar_Get(va("gl_ext_%s", extname), "1", 0, "GL Extensions"); if (v && !v->ival) return false; if (gl_num_extensions && qglGetStringi) { for (i = 0; i < gl_num_extensions; i++) if (!strcmp(qglGetStringi(GL_EXTENSIONS, i), extname)) return true; } if (!gl_extensions) return false; //note that this is not actually correct... return !!strstr(gl_extensions, extname); } void APIENTRY GL_DrawRangeElementsEmul(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices) { qglDrawElements(mode, count, type, indices); } void APIENTRY GL_BindBufferARBStub(GLenum target, GLuint id) { } void APIENTRY GL_ClientStateStub(GLenum array) { } #define getglcore getglfunction #define getglext(name) getglfunction(name) void GL_CheckExtensions (void *(*getglfunction) (char *name), float ver) { memset(&gl_config, 0, sizeof(gl_config)); gl_config.glversion = ver; if (!strncmp(gl_version, "OpenGL ES", 9)) gl_config.gles = true; else gl_config.gles = false; if (gl_config.gles) gl_config.nofixedfunc = gl_config.glversion >= 2; else { /*in gl3.0 things are depricated but not removed*/ /*in gl3.1 depricated things are removed unless compatibility is present*/ /*in gl3.2 there's a profile flag we can query*/ if (gl_config.glversion >= 3.2) { GLint profile = 0; #define GL_CONTEXT_PROFILE_MASK 0x9126 #define GL_CONTEXT_CORE_PROFILE_BIT 0x00000001 #define GL_CONTEXT_COMPATIBILITY_PROFILE_BIT 0x00000002 qglGetIntegerv(GL_CONTEXT_PROFILE_MASK, &profile); if (!profile) { Con_DPrintf("Driver reports invalid profile, assuming compatibility support\n"); gl_config.nofixedfunc = false; } else gl_config.nofixedfunc = !(profile & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT); } else if (gl_config.glversion == 3.1) gl_config.nofixedfunc = !GL_CheckExtension("GL_ARB_compatibility"); else gl_config.nofixedfunc = false; } //multitexture gl_mtexable = false; gl_mtexarbable = 0; qglActiveTextureARB = NULL; qglMultiTexCoord2fARB = NULL; qglMultiTexCoord3fARB = NULL; qglMTexCoord2fSGIS = NULL; qglSelectTextureSGIS = NULL; mtexid0 = 0; //no GL_ATI_separate_stencil qglStencilOpSeparateATI = NULL; //no GL_EXT_stencil_two_side qglActiveStencilFaceEXT = NULL; //no truform. sorry. qglPNTrianglesfATI = NULL; qglPNTrianglesiATI = NULL; //fragment programs /* gl_config.arb_fragment_program = false; qglProgramStringARB = NULL; qglGetProgramivARB = NULL; qglBindProgramARB = NULL; qglGenProgramsARB = NULL; */ qglGenFramebuffersEXT = NULL; qglDeleteFramebuffersEXT = NULL; qglBindFramebufferEXT = NULL; qglGenRenderbuffersEXT = NULL; qglDeleteRenderbuffersEXT = NULL; qglBindRenderbufferEXT = NULL; qglRenderbufferStorageEXT = NULL; qglFramebufferTexture2DEXT = NULL; gl_config.arb_texture_non_power_of_two = false; gl_config.sgis_generate_mipmap = false; gl_config.tex_env_combine = false; gl_config.env_add = false; gl_config.nv_tex_env_combine4 = false; gl_config.arb_texture_env_combine = false; gl_config.arb_texture_env_dot3 = false; gl_config.arb_texture_cube_map = false; gl_config.arb_shader_objects = false; gl_config.ext_framebuffer_objects = false; gl_config.ext_texture_filter_anisotropic = 0; if (GL_CheckExtension("GL_EXT_texture_filter_anisotropic")) { qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_config.ext_texture_filter_anisotropic); Con_DPrintf("Anisotropic filter extension found (%dx max).\n",gl_config.ext_texture_filter_anisotropic); } if (GL_CheckExtension("GL_ARB_texture_non_power_of_two")) gl_config.arb_texture_non_power_of_two = true; // if (GL_CheckExtension("GL_SGIS_generate_mipmap")) //a suprising number of implementations have this broken. // gl_config.sgis_generate_mipmap = true; if (gl_config.gles) { qglActiveTextureARB = (void *) getglext("glActiveTexture"); qglClientActiveTextureARB = (void *) getglext("glClientActiveTexture"); qglSelectTextureSGIS = qglActiveTextureARB; mtexid0 = GL_TEXTURE0_ARB; } else if (GL_CheckExtension("GL_ARB_multitexture") && !COM_CheckParm("-noamtex")) { //ARB multitexture is the popular choice. qglActiveTextureARB = (void *) getglext("glActiveTextureARB"); qglClientActiveTextureARB = (void *) getglext("glClientActiveTextureARB"); qglMultiTexCoord2fARB = (void *) getglext("glMultiTexCoord2fARB"); qglMultiTexCoord3fARB = (void *) getglext("glMultiTexCoord3fARB"); qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_mtexarbable); gl_mtexable = true; qglMTexCoord2fSGIS = qglMultiTexCoord2fARB; qglSelectTextureSGIS = qglActiveTextureARB; mtexid0 = GL_TEXTURE0_ARB; if (!qglActiveTextureARB || !qglClientActiveTextureARB || !qglMultiTexCoord2fARB) { qglActiveTextureARB = NULL; qglClientActiveTextureARB = NULL; qglMultiTexCoord2fARB = NULL; qglMTexCoord2fSGIS = NULL; qglSelectTextureSGIS = NULL; gl_mtexable=false; gl_mtexarbable = false; } else { Con_DPrintf("ARB Multitexture extensions found. Use -noamtex to disable.\n"); } } else if (GL_CheckExtension("GL_SGIS_multitexture") && !COM_CheckParm("-nomtex")) { //SGIS multitexture, limited in many ways but basic functionality is identical to ARB Con_SafePrintf("Multitexture extensions found.\n"); qglMTexCoord2fSGIS = (void *) getglext("glMTexCoord2fSGIS"); qglSelectTextureSGIS = (void *) getglext("glSelectTextureSGIS"); gl_mtexable = true; mtexid0 = GL_TEXTURE0_SGIS; } if (GL_CheckExtension("GL_EXT_stencil_wrap")) gl_config.ext_stencil_wrap = true; if (GL_CheckExtension("GL_ATI_separate_stencil")) qglStencilOpSeparateATI = (void *) getglext("glStencilOpSeparateATI"); if (GL_CheckExtension("GL_EXT_stencil_two_side")) qglActiveStencilFaceEXT = (void *) getglext("glActiveStencilFaceEXT"); /*not enabled - its only useful for shadow volumes, but (on nvidia) it affects the depth values even when not clamped which results in shadow z-fighting. best rely upon infinite projection matricies instead*/ // if (GL_CheckExtension("GL_ARB_depth_clamp") || GL_CheckExtension("GL_NV_depth_clamp")) // gl_config.arb_depth_clamp = true; if (GL_CheckExtension("GL_ARB_texture_compression")) { qglCompressedTexImage2DARB = (void *)getglext("glCompressedTexImage2DARB"); qglGetCompressedTexImageARB = (void *)getglext("glGetCompressedTexImageARB"); if (!qglCompressedTexImage2DARB || !qglGetCompressedTexImageARB) { qglCompressedTexImage2DARB = NULL; qglGetCompressedTexImageARB = NULL; } else gl_config.arb_texture_compression = true; } if (GL_CheckExtension("GL_EXT_depth_bounds_test")) qglDepthBoundsEXT = (void *)getglext("glDepthBoundsEXT"); else if (GL_CheckExtension("GL_NV_depth_bounds_test")) qglDepthBoundsEXT = (void *)getglext("glDepthBoundsNV"); else qglDepthBoundsEXT = NULL; if (GL_CheckExtension("GL_ATI_pn_triangles")) { qglPNTrianglesfATI = (void *)getglext("glPNTrianglesfATI"); qglPNTrianglesiATI = (void *)getglext("glPNTrianglesiATI"); } if (GL_CheckExtension("GL_EXT_texture_object")) { bindTexFunc = (void *)getglext("glBindTextureEXT"); if (!bindTexFunc) //grrr bindTexFunc = (void *)getglext("glBindTexture"); } if (GL_CheckExtension("GL_EXT_compiled_vertex_array")) { qglLockArraysEXT = (void *)getglext("glLockArraysEXT"); qglUnlockArraysEXT = (void *)getglext("glUnlockArraysEXT"); } /*various combiner features*/ gl_config.tex_env_combine = GL_CheckExtension("GL_EXT_texture_env_combine"); gl_config.env_add = GL_CheckExtension("GL_EXT_texture_env_add"); gl_config.nv_tex_env_combine4 = GL_CheckExtension("GL_NV_texture_env_combine4"); gl_config.arb_texture_env_combine = GL_CheckExtension("GL_ARB_texture_env_combine"); gl_config.arb_texture_env_dot3 = GL_CheckExtension("GL_ARB_texture_env_dot3"); gl_config.arb_texture_cube_map = GL_CheckExtension("GL_ARB_texture_cube_map"); /*vbos*/ if (GL_CheckExtension("GL_ARB_vertex_buffer_object")) { qglGenBuffersARB = (void *)getglext("glGenBuffersARB"); qglDeleteBuffersARB = (void *)getglext("glDeleteBuffersARB"); qglBindBufferARB = (void *)getglext("glBindBufferARB"); qglBufferDataARB = (void *)getglext("glBufferDataARB"); qglBufferSubDataARB = (void *)getglext("glBufferSubDataARB"); qglMapBufferARB = (void *)getglext("glMapBufferARB"); qglUnmapBufferARB = (void *)getglext("glUnmapBufferARB"); } // glslang //the gf2 to gf4 cards emulate vertex_shader and thus supports shader_objects. //but our code kinda requires both for clean workings. if (strstr(gl_renderer, " Mesa ") && Cvar_Get("gl_blacklist_mesa_glsl", "1", CVAR_RENDERERLATCH, "gl blacklists")->ival && (gl_config.glversion < 3 || gl_config.gles)) { //(9:12:33 PM) bigfoot: Spike, can you please blacklist your menu shader on Mesa? My machine just hard locked up again because I forgot that pressing escape in FTE is verboten //(11:51:42 PM) bigfoot: OpenGL vendor string: Tungsten Graphics, Inc //(11:51:50 PM) bigfoot: OpenGL version string: 2.1 Mesa 7.7.1 //blacklist all glsl, it can't handle #define macros properly either. //if the menu shader is hardlocking, I don't know what else will do it too. Con_Printf(CON_NOTICE "Mesa detected, ignoring any GLSL support. Use '+set gl_blacklist_mesa_glsl 0' on the commandline to reenable it.\n"); } else if (gl_config.glversion >= 2)// && (gl_config.gles || 0)) { /*core names are different from extension names (more functions too)*/ gl_config.arb_shader_objects = true; qglCreateProgramObjectARB = (void *)getglext( "glCreateProgram"); qglDeleteProgramObject_ = (void *)getglext( "glDeleteProgram"); qglDeleteShaderObject_ = (void *)getglext( "glDeleteShader"); qglUseProgramObjectARB = (void *)getglext( "glUseProgram"); qglCreateShaderObjectARB = (void *)getglext( "glCreateShader"); qglGetProgramParameteriv_ = (void *)getglext( "glGetProgramiv"); qglGetShaderParameteriv_ = (void *)getglext( "glGetShaderiv"); qglAttachObjectARB = (void *)getglext( "glAttachShader"); qglGetProgramInfoLog_ = (void *)getglext( "glGetProgramInfoLog"); qglGetShaderInfoLog_ = (void *)getglext( "glGetShaderInfoLog"); qglShaderSourceARB = (void *)getglext("glShaderSource"); qglCompileShaderARB = (void *)getglext("glCompileShader"); qglLinkProgramARB = (void *)getglext("glLinkProgram"); qglBindAttribLocationARB = (void *)getglext("glBindAttribLocation"); qglGetAttribLocationARB = (void *)getglext("glGetAttribLocation"); qglVertexAttribPointer = (void *)getglext("glVertexAttribPointer"); qglGetVertexAttribiv = (void *)getglext("glGetVertexAttribiv"); qglEnableVertexAttribArray = (void *)getglext("glEnableVertexAttribArray"); qglDisableVertexAttribArray = (void *)getglext("glDisableVertexAttribArray"); qglGetUniformLocationARB = (void *)getglext("glGetUniformLocation"); qglUniformMatrix4fvARB = (void *)getglext("glUniformMatrix4fv"); qglUniformMatrix3x4fv = (void *)getglext("glUniformMatrix3x4fv"); qglUniformMatrix4x3fv = (void *)getglext("glUniformMatrix4x3fv"); qglUniform4fARB = (void *)getglext("glUniform4f"); qglUniform4fvARB = (void *)getglext("glUniform4fv"); qglUniform3fARB = (void *)getglext("glUniform3f"); qglUniform3fvARB = (void *)getglext("glUniform3fv"); qglUniform1iARB = (void *)getglext("glUniform1i"); qglUniform1fARB = (void *)getglext("glUniform1f"); Con_DPrintf("GLSL available\n"); } else if (GL_CheckExtension("GL_ARB_fragment_shader") && GL_CheckExtension("GL_ARB_vertex_shader") && GL_CheckExtension("GL_ARB_shader_objects")) { gl_config.arb_shader_objects = true; qglCreateProgramObjectARB = (void *)getglext("glCreateProgramObjectARB"); qglDeleteProgramObject_ = (void *)getglext("glDeleteObjectARB"); qglDeleteShaderObject_ = (void *)getglext("glDeleteObjectARB"); qglUseProgramObjectARB = (void *)getglext("glUseProgramObjectARB"); qglCreateShaderObjectARB = (void *)getglext("glCreateShaderObjectARB"); qglShaderSourceARB = (void *)getglext("glShaderSourceARB"); qglCompileShaderARB = (void *)getglext("glCompileShaderARB"); qglGetProgramParameteriv_ = (void *)getglext("glGetObjectParameterivARB"); qglGetShaderParameteriv_ = (void *)getglext("glGetObjectParameterivARB"); qglAttachObjectARB = (void *)getglext("glAttachObjectARB"); qglGetProgramInfoLog_ = (void *)getglext("glGetInfoLogARB"); qglGetShaderInfoLog_ = (void *)getglext("glGetInfoLogARB"); qglLinkProgramARB = (void *)getglext("glLinkProgramARB"); qglBindAttribLocationARB = (void *)getglext("glBindAttribLocationARB"); qglGetAttribLocationARB = (void *)getglext("glGetAttribLocationARB"); qglVertexAttribPointer = (void *)getglext("glVertexAttribPointerARB"); qglGetVertexAttribiv = (void *)getglext("glGetVertexAttribivARB"); qglEnableVertexAttribArray = (void *)getglext("glEnableVertexAttribArrayARB"); qglDisableVertexAttribArray = (void *)getglext("glDisableVertexAttribArrayARB"); qglGetUniformLocationARB = (void *)getglext("glGetUniformLocationARB"); qglUniformMatrix4fvARB = (void *)getglext("glUniformMatrix4fvARB"); qglUniformMatrix3x4fv = (void *)getglext("glUniformMatrix3x4fvARB"); qglUniformMatrix4x3fv = (void *)getglext("glUniformMatrix4x3fvARB"); qglUniform4fARB = (void *)getglext("glUniform4fARB"); qglUniform4fvARB = (void *)getglext("glUniform4fvARB"); qglUniform3fARB = (void *)getglext("glUniform3fARB"); qglUniform3fvARB = (void *)getglext("glUniform3fvARB"); qglUniform1iARB = (void *)getglext("glUniform1iARB"); qglUniform1fARB = (void *)getglext("glUniform1fARB"); Con_DPrintf("GLSL available\n"); } if (GL_CheckExtension("GL_EXT_framebuffer_object")) { gl_config.ext_framebuffer_objects = true; qglGenFramebuffersEXT = (void *)getglext("glGenFramebuffersEXT"); qglDeleteFramebuffersEXT = (void *)getglext("glDeleteFramebuffersEXT"); qglBindFramebufferEXT = (void *)getglext("glBindFramebufferEXT"); qglGenRenderbuffersEXT = (void *)getglext("glGenRenderbuffersEXT"); qglDeleteRenderbuffersEXT = (void *)getglext("glDeleteRenderbuffersEXT"); qglBindRenderbufferEXT = (void *)getglext("glBindRenderbufferEXT"); qglRenderbufferStorageEXT = (void *)getglext("glRenderbufferStorageEXT"); qglFramebufferTexture2DEXT = (void *)getglext("glFramebufferTexture2DEXT"); qglFramebufferRenderbufferEXT = (void *)getglext("glFramebufferRenderbufferEXT"); qglCheckFramebufferStatusEXT = (void *)getglext("glCheckFramebufferStatusEXT"); } #ifdef DEBUG if (GL_CheckExtension("GL_AMD_debug_output")) { qglDebugMessageEnableAMD = (void *)getglext("glDebugMessageEnableAMD"); qglDebugMessageInsertAMD = (void *)getglext("glDebugMessageInsertAMD"); qglDebugMessageCallbackAMD = (void *)getglext("glDebugMessageCallbackAMD"); qglGetDebugMessageLogAMD = (void *)getglext("glGetDebugMessageLogAMD"); } else { qglDebugMessageEnableAMD = NULL; qglDebugMessageInsertAMD = NULL; qglDebugMessageCallbackAMD = NULL; qglGetDebugMessageLogAMD = NULL; } #endif } static const char *glsl_hdrs[] = { "sys/skeletal.h", "attribute vec3 v_normal;\n" "attribute vec3 v_svector;\n" "attribute vec3 v_tvector;\n" "#ifdef SKELETAL\n" "attribute vec4 v_bone;" "attribute vec4 v_weight;" "uniform mat3x4 m_bones["STRINGIFY(MAX_BONES)"];\n" "vec4 skeletaltransform()" "{" "mat3x4 wmat;\n" "wmat = m_bones[int(v_bone.x)] * v_weight.x;\n" "wmat += m_bones[int(v_bone.y)] * v_weight.y;\n" "wmat += m_bones[int(v_bone.z)] * v_weight.z;\n" "wmat += m_bones[int(v_bone.w)] * v_weight.w;\n" "return m_modelviewprojection * vec4(vec4(v_position.xyz, 1.0) * wmat, 1.0);" "}\n" "vec4 skeletaltransform_nst(out vec3 n, out vec3 t, out vec3 b)" "{" "mat3x4 wmat;\n" "wmat = m_bones[int(v_bone.x)] * v_weight.x;" "wmat += m_bones[int(v_bone.y)] * v_weight.y;" "wmat += m_bones[int(v_bone.z)] * v_weight.z;" "wmat += m_bones[int(v_bone.w)] * v_weight.w;" "n = vec4(v_normal.xyz, 1.0) * wmat;" "t = vec4(v_svector.xyz, 1.0) * wmat;" "b = vec4(v_tvector.xyz, 1.0) * wmat;" "return m_modelviewprojection * vec4(vec4(v_position.xyz, 1.0) * wmat, 1.0);" "}\n" "vec4 skeletaltransform_wnst(out vec3 w, out vec3 n, out vec3 t, out vec3 b)" "{" "mat3x4 wmat;\n" "wmat = m_bones[int(v_bone.x)] * v_weight.x;" "wmat += m_bones[int(v_bone.y)] * v_weight.y;" "wmat += m_bones[int(v_bone.z)] * v_weight.z;" "wmat += m_bones[int(v_bone.w)] * v_weight.w;" "n = vec4(v_normal.xyz, 1.0) * wmat;" "t = vec4(v_svector.xyz, 1.0) * wmat;" "b = vec4(v_tvector.xyz, 1.0) * wmat;" "w = vec4(v_position.xyz, 1.0) * wmat;" "return m_modelviewprojection * vec4(w, 1.0);" "}\n" "vec4 skeletaltransform_n(out vec3 n)" "{" "mat3x4 wmat;\n" "wmat = m_bones[int(v_bone.x)] * v_weight.x;" "wmat += m_bones[int(v_bone.y)] * v_weight.y;" "wmat += m_bones[int(v_bone.z)] * v_weight.z;" "wmat += m_bones[int(v_bone.w)] * v_weight.w;" "n = vec4(v_normal.xyz, 1.0) * wmat;" "return m_modelviewprojection * vec4(vec4(v_position.xyz, 1.0) * wmat, 1.0);" "}\n" "#else\n" "#define skeletaltransform() ftetransform()\n" "vec4 skeletaltransform_wnst(out vec3 w, out vec3 n, out vec3 t, out vec3 b)" "{" "n = v_normal;" "t = v_svector;" "b = v_tvector;" "w = v_position.xyz;" "return ftetransform();" "}\n" "vec4 skeletaltransform_nst(out vec3 n, out vec3 t, out vec3 b)" "{" "n = v_normal;" "t = v_svector;" "b = v_tvector;" "return ftetransform();" "}\n" "vec4 skeletaltransform_n(out vec3 n)" "{" "n = v_normal;" "return ftetransform();" "}\n" "#endif\n" , "sys/fog.h", "#ifdef FRAGMENT_SHADER\n" "#ifdef FOG\n" "uniform vec4 w_fog;\n" "vec3 fog3(in vec3 regularcolour)" "{" "float z = gl_FragCoord.z / gl_FragCoord.w;\n" "float fac = exp2(-(" "w_fog.w * w_fog.w * " "z * z * " "1.442695));\n" "fac = clamp(fac, 0.0, 1.0);\n" "return mix(w_fog.rgb, regularcolour, fac);\n" "}\n" "vec3 fog3additive(in vec3 regularcolour)" "{" "float z = gl_FragCoord.z / gl_FragCoord.w;\n" "float fac = exp2(-(" "w_fog.w * w_fog.w * " "z * z * " "1.442695));\n" "fac = clamp(fac, 0.0, 1.0);\n" "return regularcolour * fac;\n" "}\n" "vec4 fog4(in vec4 regularcolour)" "{" "return vec4(fog3(regularcolour.rgb), 1.0) * regularcolour.a;\n" "}\n" "vec4 fog4additive(in vec4 regularcolour)" "{" "float z = gl_FragCoord.z / gl_FragCoord.w;\n" "float fac = exp2(-(" "w_fog.w * w_fog.w * " "z * z * " "1.442695));\n" "fac = clamp(fac, 0.0, 1.0);\n" "return regularcolour * vec4(fac, fac, fac, 1.0);\n" "}\n" "vec4 fog4blend(in vec4 regularcolour)" "{" "float z = gl_FragCoord.z / gl_FragCoord.w;\n" "float fac = exp2(-(" "w_fog.w * w_fog.w * " "z * z * " "1.442695));\n" "fac = clamp(fac, 0.0, 1.0);\n" "return regularcolour * vec4(1.0, 1.0, 1.0, fac);\n" "}\n" "#else\n" /*don't use macros for this - mesa bugs out*/ "vec3 fog3(in vec3 regularcolour) { return regularcolour; }\n" "vec3 fog3additive(in vec3 regularcolour) { return regularcolour; }\n" "vec4 fog4(in vec4 regularcolour) { return regularcolour; }\n" "vec4 fog4additive(in vec4 regularcolour) { return regularcolour; }\n" "vec4 fog4blend(in vec4 regularcolour) { return regularcolour; }\n" "#endif\n" "#endif\n" , NULL }; qboolean GLSlang_GenerateIncludes(int maxstrings, int *strings, const GLchar *prstrings[], GLint length[], const char *shadersource) { int i; char *incline, *inc; char incname[256]; while((incline=strstr(shadersource, "#include"))) { if (*strings == maxstrings) return false; /*emit up to the include*/ prstrings[*strings] = shadersource; length[*strings] = incline - shadersource; *strings += 1; incline += 8; incline = COM_ParseOut (incline, incname, sizeof(incname)); for (i = 0; glsl_hdrs[i]; i += 2) { if (!strcmp(incname, glsl_hdrs[i])) { if (!GLSlang_GenerateIncludes(maxstrings, strings, prstrings, length, glsl_hdrs[i+1])) return false; break; } } if (!glsl_hdrs[i]) { if (FS_LoadFile(incname, &inc) >= 0) { if (!GLSlang_GenerateIncludes(maxstrings, strings, prstrings, length, inc)) { FS_FreeFile(inc); return false; } FS_FreeFile(inc); } } /*move the pointer past the include*/ shadersource = incline; } if (*shadersource) { if (*strings == maxstrings) return false; /*dump the remaining shader string*/ prstrings[*strings] = shadersource; length[*strings] = strlen(prstrings[*strings]); *strings += 1; } return true; } // glslang helper api function definitions // type should be GL_FRAGMENT_SHADER_ARB or GL_VERTEX_SHADER_ARB GLhandleARB GLSlang_CreateShader (char *name, int ver, char **precompilerconstants, const char *shadersource, GLenum shadertype) { GLhandleARB shader; GLint compiled; char str[1024]; int loglen, i; const GLchar *prstrings[64+16]; GLint length[sizeof(prstrings)/sizeof(prstrings[0])]; int strings = 0; if (ver) { prstrings[strings] = va("#version %u\n", ver); length[strings] = strlen(prstrings[strings]); strings++; } while(*precompilerconstants) { prstrings[strings] = *precompilerconstants++; length[strings] = strlen(prstrings[strings]); strings++; } prstrings[strings] = "#define ENGINE_"DISTRIBUTION"\n"; length[strings] = strlen(prstrings[strings]); strings++; switch (shadertype) { case GL_FRAGMENT_SHADER_ARB: prstrings[strings] = "#define FRAGMENT_SHADER\n"; length[strings] = strlen(prstrings[strings]); strings++; if (gl_config.gles) { prstrings[strings] = "precision mediump float;\n"; length[strings] = strlen(prstrings[strings]); strings++; } break; case GL_VERTEX_SHADER_ARB: prstrings[strings] = "#define VERTEX_SHADER\n"; length[strings] = strlen(prstrings[strings]); strings++; if (gl_config.gles) { prstrings[strings] = "#ifdef GL_FRAGMENT_PRECISION_HIGH\n" "precision highp float;\n" "#else\n" "precision mediump float;\n" "#endif\n" ; length[strings] = strlen(prstrings[strings]); strings++; } if (gl_config.nofixedfunc) { prstrings[strings] = "attribute vec3 v_position;\n" "#define ftetransform() (m_modelviewprojection * vec4(v_position, 1.0))\n" "uniform mat4 m_modelviewprojection;\n" ; length[strings] = strlen(prstrings[strings]); strings++; } else { prstrings[strings] = "#define ftetransform ftransform\n" "#define v_position gl_Vertex\n" "uniform mat4 m_modelviewprojection;\n" ; length[strings] = strlen(prstrings[strings]); strings++; } break; default: prstrings[strings] = "#define UNKNOWN_SHADER\n"; length[strings] = strlen(prstrings[strings]); strings++; break; } GLSlang_GenerateIncludes(sizeof(prstrings)/sizeof(prstrings[0]), &strings, prstrings, length, shadersource); shader = qglCreateShaderObjectARB(shadertype); if (1)//gl_workaround_ati_shadersource.ival) { char *combined; int totallen = 1; for (i = 0; i < strings; i++) totallen += length[i]; combined = malloc(totallen); totallen = 0; combined[totallen] = 0; for (i = 0; i < strings; i++) { memcpy(combined + totallen, prstrings[i], length[i]); totallen += length[i]; combined[totallen] = 0; } qglShaderSourceARB(shader, 1, &combined, NULL); free(combined); } else qglShaderSourceARB(shader, strings, prstrings, length); qglCompileShaderARB(shader); qglGetShaderParameteriv_(shader, GL_OBJECT_COMPILE_STATUS_ARB, &compiled); if(!compiled) { qglGetShaderInfoLog_(shader, sizeof(str), NULL, str); qglDeleteShaderObject_(shader); switch (shadertype) { case GL_FRAGMENT_SHADER_ARB: Con_Printf("Fragment shader (%s) compilation error:\n----------\n%s----------\n", name, str); break; case GL_VERTEX_SHADER_ARB: Con_Printf("Vertex shader (%s) compilation error:\n----------\n%s----------\n", name, str); break; default: Con_Printf("Shader_CreateShader: This shouldn't happen ever\n"); break; } Con_DPrintf("Shader \"%s\" source:\n", name); for (i = 0; i < strings; i++) { int j; if (length[i] < 0) Con_DPrintf("%s", prstrings[i]); else { for (j = 0; j < length[i]; j++) Con_DPrintf("%c", prstrings[i][j]); } } Con_DPrintf("%s\n", str); return 0; } if (developer.ival) { qglGetShaderParameteriv_(shader, GL_OBJECT_INFO_LOG_LENGTH_ARB, &loglen); if (loglen) { qglGetShaderInfoLog_(shader, sizeof(str), NULL, str); if (strstr(str, "WARNING")) { Con_Printf("Shader source:\n"); for (i = 0; i < strings; i++) Con_Printf("%s", prstrings[i]); Con_Printf("%s\n", str); } } } return shader; } GLhandleARB GLSlang_CreateProgramObject (GLhandleARB vert, GLhandleARB frag) { GLhandleARB program; GLint linked; char str[1024]; program = qglCreateProgramObjectARB(); qglAttachObjectARB(program, vert); qglAttachObjectARB(program, frag); qglBindAttribLocationARB(program, gl_config.nofixedfunc?0:7, "v_position"); qglBindAttribLocationARB(program, 1, "v_colour"); qglBindAttribLocationARB(program, 2, "v_texcoord"); qglBindAttribLocationARB(program, 3, "v_lmcoord"); qglBindAttribLocationARB(program, 4, "v_normal"); qglBindAttribLocationARB(program, 5, "v_snormal"); qglBindAttribLocationARB(program, 6, "v_tnormal"); qglBindAttribLocationARB(program, 8, "v_bone"); qglBindAttribLocationARB(program, 9, "v_weight"); qglLinkProgramARB(program); qglGetProgramParameteriv_(program, GL_OBJECT_LINK_STATUS_ARB, &linked); if(!linked) { qglGetProgramInfoLog_(program, sizeof(str), NULL, str); Con_Printf("Program link error: %s\n", str); qglDeleteProgramObject_(program); return (GLhandleARB)0; } return program; } GLhandleARB GLSlang_CreateProgram(char *name, int ver, char **precompilerconstants, char *vert, char *frag) { GLhandleARB handle; GLhandleARB vs; GLhandleARB fs; char *nullconstants = NULL; if (!gl_config.arb_shader_objects) return 0; if (!precompilerconstants) precompilerconstants = &nullconstants; vs = GLSlang_CreateShader(name, ver, precompilerconstants, vert, GL_VERTEX_SHADER_ARB); fs = GLSlang_CreateShader(name, ver, precompilerconstants, frag, GL_FRAGMENT_SHADER_ARB); if (!vs || !fs) handle = 0; else handle = GLSlang_CreateProgramObject(vs, fs); //delete ignores 0s. qglDeleteShaderObject_(vs); qglDeleteShaderObject_(fs); return handle; } GLint GLSlang_GetUniformLocation (int prog, char *name) { int i = qglGetUniformLocationARB(prog, name); if (i == -1) { Con_Printf("Failed to get location of uniform '%s'\n", name); } return i; } //the vid routines have initialised a window, and now they are giving us a reference to some of of GetProcAddress to get pointers to the funcs. void GL_Init(void *(*getglfunction) (char *name)) { unsigned int gl_major_version; unsigned int gl_minor_version; qglAlphaFunc = (void *)getglcore("glAlphaFunc"); qglBegin = (void *)getglcore("glBegin"); qglBlendFunc = (void *)getglcore("glBlendFunc"); bindTexFunc = (void *)getglcore("glBindTexture"); //for compleateness qglClear = (void *)getglcore("glClear"); qglClearColor = (void *)getglcore("glClearColor"); qglClearDepth = (void *)getglcore("glClearDepth"); qglClearStencil = (void *)getglcore("glClearStencil"); qglClipPlane = (void *)getglcore("glClipPlane"); qglColor3f = (void *)getglcore("glColor3f"); qglColor3ub = (void *)getglcore("glColor3ub"); qglColor4f = (void *)getglcore("glColor4f"); qglColor4fv = (void *)getglcore("glColor4fv"); qglColor4ub = (void *)getglcore("glColor4ub"); qglColor4ubv = (void *)getglcore("glColor4ubv"); qglColorMask = (void *)getglcore("glColorMask"); qglCopyTexImage2D = (void *)getglcore("glCopyTexImage2D"); qglCopyTexSubImage2D= (void *)getglcore("glCopyTexSubImage2D"); qglCullFace = (void *)getglcore("glCullFace"); qglDepthFunc = (void *)getglcore("glDepthFunc"); qglDepthMask = (void *)getglcore("glDepthMask"); qglDepthRange = (void *)getglcore("glDepthRange"); qglDisable = (void *)getglcore("glDisable"); qglDrawBuffer = (void *)getglcore("glDrawBuffer"); qglDrawPixels = (void *)getglcore("glDrawPixels"); qglEnable = (void *)getglcore("glEnable"); qglEnd = (void *)getglcore("glEnd"); qglFinish = (void *)getglcore("glFinish"); qglFlush = (void *)getglcore("glFlush"); qglFrustum = (void *)getglcore("glFrustum"); qglGenTextures = (void *)getglcore("glGenTextures"); qglGetFloatv = (void *)getglcore("glGetFloatv"); qglGetIntegerv = (void *)getglcore("glGetIntegerv"); qglGetString = (void *)getglcore("glGetString"); qglGetTexLevelParameteriv = (void *)getglcore("glGetTexLevelParameteriv"); qglHint = (void *)getglcore("glHint"); qglLoadIdentity = (void *)getglcore("glLoadIdentity"); qglLoadMatrixf = (void *)getglcore("glLoadMatrixf"); qglNormal3f = (void *)getglcore("glNormal3f"); qglNormal3fv = (void *)getglcore("glNormal3fv"); qglMatrixMode = (void *)getglcore("glMatrixMode"); qglMultMatrixf = (void *)getglcore("glMultMatrixf"); qglOrtho = (void *)getglcore("glOrtho"); qglPolygonMode = (void *)getglcore("glPolygonMode"); qglPopMatrix = (void *)getglcore("glPopMatrix"); qglPushMatrix = (void *)getglcore("glPushMatrix"); qglReadBuffer = (void *)getglcore("glReadBuffer"); qglReadPixels = (void *)getglcore("glReadPixels"); qglRotatef = (void *)getglcore("glRotatef"); qglScalef = (void *)getglcore("glScalef"); qglShadeModel = (void *)getglcore("glShadeModel"); qglTexCoord1f = (void *)getglcore("glTexCoord1f"); qglTexCoord2f = (void *)getglcore("glTexCoord2f"); qglTexCoord2fv = (void *)getglcore("glTexCoord2fv"); qglTexEnvf = (void *)getglcore("glTexEnvf"); qglTexEnvfv = (void *)getglcore("glTexEnvfv"); qglTexEnvi = (void *)getglcore("glTexEnvi"); qglTexGeni = (void *)getglcore("glTexGeni"); qglTexGenfv = (void *)getglcore("glTexGenfv"); qglTexImage2D = (void *)getglcore("glTexImage2D"); qglTexImage3D = (void *)getglext("glTexImage3D"); qglTexParameteri = (void *)getglcore("glTexParameteri"); qglTexParameterf = (void *)getglcore("glTexParameterf"); qglTexParameteriv = (void *)getglcore("glTexParameteriv"); qglTexParameterfv = (void *)getglcore("glTexParameterfv"); qglTexSubImage2D = (void *)getglcore("glTexSubImage2D"); qglTranslatef = (void *)getglcore("glTranslatef"); qglVertex2f = (void *)getglcore("glVertex2f"); qglVertex3f = (void *)getglcore("glVertex3f"); qglVertex3fv = (void *)getglcore("glVertex3fv"); qglViewport = (void *)getglcore("glViewport"); qglGetError = (void *)getglcore("glGetError"); qglDeleteTextures = (void *)getglcore("glDeleteTextures"); //various vertex array stuff. qglDrawElements = (void *)getglcore("glDrawElements"); qglArrayElement = (void *)getglcore("glArrayElement"); qglVertexPointer = (void *)getglcore("glVertexPointer"); qglNormalPointer = (void *)getglcore("glNormalPointer"); qglTexCoordPointer = (void *)getglcore("glTexCoordPointer"); qglColorPointer = (void *)getglcore("glColorPointer"); qglDrawArrays = (void *)getglcore("glDrawArrays"); qglEnableClientState = (void *)getglcore("glEnableClientState"); qglDisableClientState = (void *)getglcore("glDisableClientState"); qglDrawRangeElements = (void *)getglext("glDrawRangeElements"); if (qglDrawRangeElements == 0) qglDrawRangeElements = GL_DrawRangeElementsEmul; //fixme: definatly make non-core qglStencilOp = (void *)getglcore("glStencilOp"); qglStencilFunc = (void *)getglcore("glStencilFunc"); qglPushAttrib = (void *)getglcore("glPushAttrib"); qglPopAttrib = (void *)getglcore("glPopAttrib"); qglScissor = (void *)getglcore("glScissor"); //does this need to be non-core as well? qglFogi = (void *)getglcore("glFogi"); qglFogf = (void *)getglcore("glFogf"); qglFogfv = (void *)getglcore("glFogfv"); qglPolygonOffset = (void *)getglext("glPolygonOffset"); qglGetStringi = (void *)getglext("glGetStringi"); //used by heightmaps qglGenLists = (void*)getglcore("glGenLists"); qglNewList = (void*)getglcore("glNewList"); qglEndList = (void*)getglcore("glEndList"); qglCallList = (void*)getglcore("glCallList"); qglBindBufferARB = (void *)getglext("glBindBufferARB"); if (!qglBindBufferARB) qglBindBufferARB = (void *)getglext("glBindBuffer"); if (!qglBindBufferARB) qglBindBufferARB = GL_BindBufferARBStub; gl_vendor = qglGetString (GL_VENDOR); Con_SafePrintf ("GL_VENDOR: %s\n", gl_vendor); gl_renderer = qglGetString (GL_RENDERER); Con_SafePrintf ("GL_RENDERER: %s\n", gl_renderer); gl_version = qglGetString (GL_VERSION); Con_SafePrintf ("GL_VERSION: %s\n", gl_version); if (qglGetError()) Con_Printf("glGetError %s:%i\n", __FILE__, __LINE__); qglGetIntegerv(GL_MAJOR_VERSION, &gl_major_version); qglGetIntegerv(GL_MINOR_VERSION, &gl_minor_version); if (qglGetError()) { /*GL_MAJOR_VERSION not supported? try and parse (es-aware)*/ const char *s; for (s = gl_version; *s && (*s < '0' || *s > '9'); s++) ; gl_major_version = atoi(s); while(*s >= '0' && *s <= '9') s++; if (*s == '.') s++; gl_minor_version = atoi(s); } /*gl3 adds glGetStringi instead, as core, with the old form require GL_ARB_compatibility*/ if (gl_major_version >= 3 && qglGetStringi) /*warning: wine fails to export qglGetStringi*/ { int i; qglGetIntegerv(GL_NUM_EXTENSIONS, &gl_num_extensions); if (developer.value) { Con_Printf ("GL_EXTENSIONS:\n"); for (i = 0; i < gl_num_extensions; i++) { Con_Printf (" %s", qglGetStringi(GL_EXTENSIONS, i)); Con_Printf("\n"); } Con_Printf ("end of list\n"); } else Con_Printf ("GL_EXTENSIONS: %i extensions\n", gl_num_extensions); gl_extensions = NULL; } else { gl_num_extensions = 0; gl_extensions = qglGetString (GL_EXTENSIONS); Con_DPrintf ("GL_EXTENSIONS: %s\n", gl_extensions); if (!gl_extensions) Sys_Error("no extensions\n"); } GL_CheckExtensions (getglfunction, gl_major_version + (gl_minor_version/10.f)); if (gl_config.gles && gl_config.glversion >= 2) { /*no matricies in gles, so don't try!*/ qglLoadMatrixf = NULL; qglPolygonMode = NULL; qglShadeModel = NULL; qglDepthRange = NULL; qglEnableClientState = GL_ClientStateStub; qglDisableClientState = GL_ClientStateStub; qglDrawRangeElements = GL_DrawRangeElementsEmul; } else if (gl_config.nofixedfunc) { qglLoadMatrixf = NULL; qglPolygonMode = NULL; qglShadeModel = NULL; qglDepthRange = NULL; qglEnableClientState = GL_ClientStateStub; qglDisableClientState = GL_ClientStateStub; } qglClearColor (0,0,0,0); //clear to black so that it looks a little nicer on start. qglClear(GL_COLOR_BUFFER_BIT); if (qglPolygonMode) qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL); if (qglShadeModel) qglShadeModel (GL_FLAT); qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); qglTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); #ifdef DEBUG if (qglDebugMessageEnableAMD) qglDebugMessageEnableAMD(0, 0, 0, NULL, true); if (qglDebugMessageCallbackAMD) qglDebugMessageCallbackAMD(myGLDEBUGPROCAMD, NULL); qglGetError(); /*suck up the invalid operation error for non-debug contexts*/ #endif } unsigned int d_8to24rgbtable[256]; rendererinfo_t openglrendererinfo = { "OpenGL", { "gl", "opengl", "hardware", }, QR_OPENGL, GLDraw_Init, GLDraw_DeInit, GL_LoadTextureFmt, GL_LoadTexture8Pal24, GL_LoadTexture8Pal32, GL_LoadCompressed, GL_FindTexture, GL_AllocNewTexture, GL_UploadFmt, GL_DestroyTexture, GLR_Init, GLR_DeInit, GLR_RenderView, GLR_NewMap, GLR_PreNewMap, GLR_LightPoint, Surf_AddStain, Surf_LessenStains, RMod_Init, RMod_Shutdown, RMod_ClearAll, RMod_ForName, RMod_FindName, RMod_Extradata, RMod_TouchModel, RMod_NowLoadExternal, RMod_Think, Mod_GetTag, Mod_TagNumForName, Mod_SkinNumForName, Mod_FrameNumForName, Mod_FrameDuration, GLVID_Init, GLVID_DeInit, GLVID_SetPalette, GLVID_ShiftPalette, GLVID_GetRGBInfo, GLVID_SetCaption, //setcaption GLSCR_UpdateScreen, GLBE_SelectMode, GLBE_DrawMesh_List, GLBE_DrawMesh_Single, GLBE_SubmitBatch, GLBE_GetTempBatch, GLBE_DrawWorld, GLBE_Init, GLBE_GenBrushModelVBO, GLBE_ClearVBO, GLBE_UploadAllLightmaps, GLBE_SelectEntity, GLBE_SelectDLight, GLBE_LightCullModel, "" }; #endif