//----------------------------------------------------------------------------- // V12 Engine // // Copyright (c) 2001 GarageGames.Com // Portions Copyright (c) 2001 by Sierra Online, Inc. //----------------------------------------------------------------------------- #include "PlatformMacCarb/platformGL.h" #include "PlatformMacCarb/platformMacCarb.h" #include "console/console.h" GLState gGLState; bool gOpenGLDisablePT = false; bool gOpenGLDisableCVA = false; bool gOpenGLDisableTEC = false; bool gOpenGLDisableARBMT = false; bool gOpenGLDisableFC = true; //false; bool gOpenGLDisableTCompress = false; bool gOpenGLNoEnvColor = false; float gOpenGLGammaCorrection = 0.5; bool gOpenGLNoDrawArraysAlpha = false; #if 1 // until we decide how to actually implement these... GLboolean mglAvailVB() { return(false); } GLint mglAllocVB(GLsizei size, GLint format, GLboolean preserve) { return(0); } void* mglLockVB(GLint handle, GLsizei size) { return(NULL); } void mglUnlockVB(GLint handle) {} void mglSetVB(GLint handle) {} void mglOffsetVB(GLint handle, GLuint offset) {} void mglFillVB(GLint handle, GLint first, GLsizei count) {} void mglFreeVB(GLint handle) {} void mglFogCP(GLenum type, GLsizei stride, const GLvoid *pointer) {} void mglColorTable(GLenum target, GLenum internalFormat, GLsizei width, GLenum format, GLenum type, const GLvoid *table) {} GLboolean glAvailableVertexBufferEXT() { return(false); } GLint glAllocateVertexBufferEXT(GLsizei size, GLint format, GLboolean preserve) { return(0); } void* glLockVertexBufferEXT(GLint handle, GLsizei size) { return(NULL); } void glUnlockVertexBufferEXT(GLint handle) {} void glSetVertexBufferEXT(GLint handle) {} void glOffsetVertexBufferEXT(GLint handle, GLuint offset) {} void glFillVertexBufferEXT(GLint handle, GLint first, GLsizei count) {} void glFreeVertexBufferEXT(GLint handle) {} void glFogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *pointer) {} void glColorTableEXT(GLenum target, GLenum internalFormat, GLsizei width, GLenum format, GLenum type, const GLvoid *table) {} #endif bool QGL_EXT_Init( ) { // Load extensions... // const char* pExtString = reinterpret_cast(glGetString(GL_EXTENSIONS)); // OpenGL Exists ======================================== if (glBegin == (void *)kUnresolvedCFragSymbolAddress) { // !!!!!!! TBD Con::printf("OpenGL Init: Failed to find OpenGL system library."); return(false); } // EXT_paletted_texture ======================================== // glColorTableEXT = NULL; if (pExtString && dStrstr(pExtString, (const char*)"GL_EXT_paletted_texture") != NULL) gGLState.suppPalettedTexture = true; else gGLState.suppPalettedTexture = false; // EXT_compiled_vertex_array ======================================== /* glLockArraysEXT = NULL; glUnlockArraysEXT = NULL; */ #if FOR_ATI_TRUFORM_DEMO //!!!!!TBD!!!!!!!! HACK HACK HACK if (pExtString && dStrstr(pExtString, (const char*)"GL_EXT_compiled_vertex_array") != NULL) gGLState.suppLockedArrays = true; else #endif gGLState.suppLockedArrays = false; // ARB_multitexture ======================================== /* glActiveTextureARB = NULL; glClientActiveTextureARB = NULL; glMultiTexCoord2fARB = NULL; glMultiTexCoord2fvARB = NULL; */ if (pExtString && dStrstr(pExtString, (const char*)"GL_ARB_multitexture") != NULL) gGLState.suppARBMultitexture = true; else gGLState.suppARBMultitexture = false; // NV_vertex_array_range ======================================== /* glVertexArrayRangeNV = dllVertexArrayRangeNV = NULL; glFlushVertexArrayRangeNV = dllFlushVertexArrayRangeNV = NULL; */ /* wglAllocateMemoryNV = NULL; wglFreeMemoryNV = NULL; */ if (pExtString && dStrstr(pExtString, (const char*)"GL_NV_vertex_array_range") != NULL) gGLState.suppVertexArrayRange = true; else gGLState.suppVertexArrayRange = false; // EXT_fog_coord ======================================== /* glFogCoordfEXT = NULL; glFogCoordPointerEXT = NULL; */ if (pExtString && dStrstr(pExtString, (const char*)"GL_EXT_fog_coord") != NULL) gGLState.suppFogCoord = true; else gGLState.suppFogCoord = false; // ARB_texture_compression ======================================== /* glCompressedTexImage3DARB = NULL; glCompressedTexImage2DARB = NULL; glCompressedTexImage1DARB = NULL; glCompressedTexSubImage3DARB = NULL; glCompressedTexSubImage2DARB = NULL; glCompressedTexSubImage1DARB = NULL; glGetCompressedTexImageARB = NULL; */ if (pExtString && dStrstr(pExtString, (const char*)"GL_ARB_texture_compression") != NULL) gGLState.suppTextureCompression = true; else gGLState.suppTextureCompression = false; // 3DFX_texture_compression_FXT1 ======================================== if (pExtString && dStrstr(pExtString, (const char*)"GL_3DFX_texture_compression_FXT1") != NULL) gGLState.suppFXT1 = true; else gGLState.suppFXT1 = false; // EXT_texture_compression_S3TC ======================================== if (pExtString && dStrstr(pExtString, (const char*)"GL_EXT_texture_compression_s3tc") != NULL) gGLState.suppS3TC = true; else gGLState.suppS3TC = false; // WGL_3DFX_gamma_control ======================================== /* qwglGetDeviceGammaRamp3DFX = NULL; qwglSetDeviceGammaRamp3DFX = NULL; */ if (pExtString && dStrstr(pExtString, (const char*)"WGL_3DFX_gamma_control" ) != NULL) { // qwglGetDeviceGammaRamp3DFX = (qwglGetDeviceGammaRamp3DFX_t) qwglGetProcAddress( "wglGetDeviceGammaRamp3DFX" ); // qwglSetDeviceGammaRamp3DFX = (qwglSetDeviceGammaRamp3DFX_t) qwglGetProcAddress( "wglSetDeviceGammaRamp3DFX" ); } else { } // EXT_vertex_buffer ======================================== /* glAvailableVertexBufferEXT = NULL; glAllocateVertexBufferEXT = NULL; glLockVertexBufferEXT = NULL; glUnlockVertexBufferEXT = NULL; glSetVertexBufferEXT = NULL; glOffsetVertexBufferEXT = NULL; glFillVertexBufferEXT = NULL; glFreeVertexBufferEXT = NULL; */ if (pExtString && dStrstr(pExtString, (const char*)"GL_EXT_vertex_buffer") != NULL) { gGLState.suppVertexBuffer = true; AssertWarn(gGLState.suppVertexBuffer == false, "We're assuming no vertex bufffer support on Mac for now!"); } else gGLState.suppVertexBuffer = false; // Binary states, i.e., no supporting functions ======================================== // EXT_packed_pixels // EXT_texture_env_combine ... gGLState.suppPackedPixels = pExtString? (dStrstr(pExtString, (const char*)"GL_EXT_packed_pixels") != NULL) : false; gGLState.suppTextureEnvCombine = pExtString? (dStrstr(pExtString, (const char*)"GL_EXT_texture_env_combine") != NULL) : false; gGLState.suppEdgeClamp = pExtString? (dStrstr(pExtString, (const char*)"GL_EXT_texture_edge_clamp") != NULL) : false; gGLState.suppTexEnvAdd = pExtString? (dStrstr(pExtString, (const char*)"GL_ARB_texture_env_add") != NULL) : false; gGLState.suppTexEnvAdd |= pExtString? (dStrstr(pExtString, (const char*)"GL_EXT_texture_env_add") != NULL) : false; // Anisotropic filtering ======================================== gGLState.suppTexAnisotropic = pExtString? (dStrstr(pExtString, (const char*)"GL_EXT_texture_filter_anisotropic") != NULL) : false; if (gGLState.suppTexAnisotropic) glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gGLState.maxAnisotropy); // Texture combine units ======================================== if (gGLState.suppARBMultitexture) glGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gGLState.maxTextureUnits); else gGLState.maxTextureUnits = 1; // Swap interval ======================================== /* qwglSwapIntervalEXT = NULL; */ if (pExtString && dStrstr(pExtString, (const char*)"WGL_EXT_swap_control") != NULL) gGLState.suppSwapInterval = true; //( qwglSwapIntervalEXT != NULL ); else gGLState.suppSwapInterval = false; // console out all the extensions... Con::printf("OpenGL Init: Enabled Extensions"); if (gGLState.suppARBMultitexture) Con::printf(" ARB_multitexture (Max Texture Units: %d)", gGLState.maxTextureUnits); if (gGLState.suppPalettedTexture) Con::printf(" EXT_paletted_texture"); if (gGLState.suppLockedArrays) Con::printf(" EXT_compiled_vertex_array"); if (gGLState.suppVertexArrayRange) Con::printf(" NV_vertex_array_range"); if (gGLState.suppTextureEnvCombine) Con::printf(" EXT_texture_env_combine"); if (gGLState.suppPackedPixels) Con::printf(" EXT_packed_pixels"); if (gGLState.suppFogCoord) Con::printf(" EXT_fog_coord"); if (gGLState.suppTextureCompression) Con::printf(" ARB_texture_compression"); if (gGLState.suppS3TC) Con::printf(" EXT_texture_compression_s3tc"); if (gGLState.suppFXT1) Con::printf(" 3DFX_texture_compression_FXT1"); if (gGLState.suppTexEnvAdd) Con::printf(" (ARB|EXT)_texture_env_add"); if (gGLState.suppTexAnisotropic) Con::printf(" EXT_texture_filter_anisotropic (Max anisotropy: %f)", gGLState.maxAnisotropy); if (gGLState.suppSwapInterval) Con::printf(" WGL_EXT_swap_control"); Con::warnf("OpenGL Init: Disabled Extensions"); if (!gGLState.suppARBMultitexture) Con::warnf(" ARB_multitexture"); if (!gGLState.suppPalettedTexture) Con::warnf(" EXT_paletted_texture"); if (!gGLState.suppLockedArrays) Con::warnf(" EXT_compiled_vertex_array"); if (!gGLState.suppVertexArrayRange) Con::warnf(" NV_vertex_array_range"); if (!gGLState.suppTextureEnvCombine) Con::warnf(" EXT_texture_env_combine"); if (!gGLState.suppPackedPixels) Con::warnf(" EXT_packed_pixels"); if (!gGLState.suppFogCoord) Con::warnf(" EXT_fog_coord"); if (!gGLState.suppTextureCompression) Con::warnf(" ARB_texture_compression"); if (!gGLState.suppS3TC) Con::warnf(" EXT_texture_compression_s3tc"); if (!gGLState.suppFXT1) Con::warnf(" 3DFX_texture_compression_FXT1"); if (!gGLState.suppTexEnvAdd) Con::warnf(" (ARB|EXT)_texture_env_add"); if (!gGLState.suppTexAnisotropic) Con::warnf(" EXT_texture_filter_anisotropic"); if (!gGLState.suppSwapInterval) Con::warnf(" WGL_EXT_swap_control"); Con::printf(""); // Set some console variables: Con::setBoolVariable( "$FogCoordSupported", gGLState.suppFogCoord ); Con::setBoolVariable( "$TextureCompressionSupported", gGLState.suppTextureCompression ); Con::setBoolVariable( "$AnisotropySupported", gGLState.suppTexAnisotropic ); Con::setBoolVariable( "$PalettedTextureSupported", gGLState.suppPalettedTexture ); Con::setBoolVariable( "$SwapIntervalSupported", gGLState.suppSwapInterval ); if (!gGLState.suppPalettedTexture && Con::getBoolVariable("$pref::OpenGL::forcePalettedTexture",false)) { Con::setBoolVariable("$pref::OpenGL::forcePalettedTexture", false); Con::setBoolVariable("$pref::OpenGL::force16BitTexture", true); } return true; }