const char *gl_extensions;
// WGL, GLX, or AGL
const char *gl_platform;
-// another extensions list, containing platform-specific extensions that are
-// not in the main list
-const char *gl_platformextensions;
// name of driver library (opengl32.dll, libGL.so.1, or whatever)
char gl_driver[256];
GLvoid (GLAPIENTRY *qglRenderbufferStorageMultisample)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
GLvoid* (GLAPIENTRY *qglMapBuffer) (GLenum target, GLenum access);
const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
+const GLubyte* (GLAPIENTRY *qglGetStringi)(GLenum name, GLuint index);
void (GLAPIENTRY *qglActiveTexture)(GLenum texture);
void (GLAPIENTRY *qglAttachShader)(GLuint containerObj, GLuint obj);
void (GLAPIENTRY *qglBeginQuery)(GLenum target, GLuint qid);
void (GLAPIENTRY *qglBindBufferRange)(GLenum target, GLuint index, GLuint buffer, GLintptr offset, GLsizeiptr size);
void (GLAPIENTRY *qglBindFragDataLocation)(GLuint programObj, GLuint index, const GLchar *name);
void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
+void (GLAPIENTRY *qglBindVertexArray)(GLuint array);
void (GLAPIENTRY *qglBlendEquation)(GLenum); // also supplied by GL_blend_subtract
void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
void (GLAPIENTRY *qglBlendFuncSeparate)(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
void (GLAPIENTRY *qglDeleteQueries)(GLsizei n, const GLuint *ids);
void (GLAPIENTRY *qglDeleteShader)(GLuint obj);
void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
+void (GLAPIENTRY *qglDeleteVertexArrays)(GLsizei n, const GLuint *arrays);
void (GLAPIENTRY *qglDepthFunc)(GLenum func);
void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
void (GLAPIENTRY *qglGenBuffers) (GLsizei n, GLuint *buffers);
void (GLAPIENTRY *qglGenQueries)(GLsizei n, GLuint *ids);
void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
+void (GLAPIENTRY *qglGenVertexArrays)(GLsizei n, GLuint *arrays);
void (GLAPIENTRY *qglGetActiveAttrib)(GLuint programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
void (GLAPIENTRY *qglGetActiveUniform)(GLuint programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
void (GLAPIENTRY *qglGetActiveUniformBlockName)(GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei* length, char* uniformBlockName);
void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
+void (GLAPIENTRY *qglGetPointerv)(GLenum pname, GLvoid** params);
void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
void (GLAPIENTRY *qglSampleCoverage)(GLclampf value, GLboolean invert);
void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
#define sscanf sscanf_s
#endif
-qboolean GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, const char *disableparm, int silent)
+typedef struct glfunction_s
{
- int failed = false;
- const dllfunction_t *func;
- struct { int major, minor; } min_version, curr_version;
- char extstr[MAX_INPUTLINE];
- int ext;
+ const char *extension;
+ const char *name;
+ void **funcvariable;
+}
+glfunction_t;
- if(sscanf(minglver_or_ext, "%d.%d", &min_version.major, &min_version.minor) == 2)
- ext = 0; // opengl version
- else if(minglver_or_ext[0] != toupper(minglver_or_ext[0]))
- ext = -1; // pseudo name
- else
- ext = 1; // extension name
+#ifndef USE_GLES2
+// functions we look for - both core and extensions - it's okay if some of these are NULL for unsupported extensions.
+static glfunction_t openglfuncs[] =
+{
+ {"core", "glActiveTexture", (void **) &qglActiveTexture},
+ {"core", "glAttachShader", (void **) &qglAttachShader},
+ {"core", "glBeginQuery", (void **) &qglBeginQuery},
+ {"core", "glBindAttribLocation", (void **) &qglBindAttribLocation},
+ {"core", "glBindBuffer", (void **) &qglBindBuffer},
+ {"core", "glBindBufferBase", (void **) &qglBindBufferBase},
+ {"core", "glBindBufferRange", (void **) &qglBindBufferRange},
+ {"core", "glBindFramebuffer", (void **) &qglBindFramebuffer},
+ {"core", "glBindRenderbuffer", (void **) &qglBindRenderbuffer},
+ {"core", "glBindTexture", (void **) &qglBindTexture},
+ {"core", "glBindVertexArray", (void **) &qglBindVertexArray},
+ {"core", "glBlendEquation", (void **) &qglBlendEquation},
+ {"core", "glBlendFunc", (void **) &qglBlendFunc},
+ {"core", "glBlendFuncSeparate", (void **) &qglBlendFuncSeparate},
+ {"core", "glBlitFramebuffer", (void **) &qglBlitFramebuffer},
+ {"core", "glBufferData", (void **) &qglBufferData},
+ {"core", "glBufferSubData", (void **) &qglBufferSubData},
+ {"core", "glCheckFramebufferStatus", (void **) &qglCheckFramebufferStatus},
+ {"core", "glClear", (void **) &qglClear},
+ {"core", "glClearColor", (void **) &qglClearColor},
+ {"core", "glClearDepth", (void **) &qglClearDepth},
+ {"core", "glClearStencil", (void **) &qglClearStencil},
+ {"core", "glColorMask", (void **) &qglColorMask},
+ {"core", "glCompileShader", (void **) &qglCompileShader},
+ {"core", "glCompressedTexImage2D", (void **) &qglCompressedTexImage2D},
+ {"core", "glCompressedTexImage3D", (void **) &qglCompressedTexImage3D},
+ {"core", "glCompressedTexSubImage2D", (void **) &qglCompressedTexSubImage2D},
+ {"core", "glCompressedTexSubImage3D", (void **) &qglCompressedTexSubImage3D},
+ {"core", "glCopyTexImage2D", (void **) &qglCopyTexImage2D},
+ {"core", "glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
+ {"core", "glCopyTexSubImage3D", (void **) &qglCopyTexSubImage3D},
+ {"core", "glCreateProgram", (void **) &qglCreateProgram},
+ {"core", "glCreateShader", (void **) &qglCreateShader},
+ {"core", "glCullFace", (void **) &qglCullFace},
+ {"core", "glDeleteBuffers", (void **) &qglDeleteBuffers},
+ {"core", "glDeleteFramebuffers", (void **) &qglDeleteFramebuffers},
+ {"core", "glDeleteProgram", (void **) &qglDeleteProgram},
+ {"core", "glDeleteQueries", (void **) &qglDeleteQueries},
+ {"core", "glDeleteRenderbuffers", (void **) &qglDeleteRenderbuffers},
+ {"core", "glDeleteShader", (void **) &qglDeleteShader},
+ {"core", "glDeleteTextures", (void **) &qglDeleteTextures},
+ {"core", "glDeleteVertexArrays", (void **)&qglDeleteVertexArrays},
+ {"core", "glDepthFunc", (void **) &qglDepthFunc},
+ {"core", "glDepthMask", (void **) &qglDepthMask},
+ {"core", "glDepthRange", (void **) &qglDepthRange},
+ {"core", "glDepthRangef", (void **) &qglDepthRangef},
+ {"core", "glDetachShader", (void **) &qglDetachShader},
+ {"core", "glDisable", (void **) &qglDisable},
+ {"core", "glDisableVertexAttribArray", (void **) &qglDisableVertexAttribArray},
+ {"core", "glDrawArrays", (void **) &qglDrawArrays},
+ {"core", "glDrawBuffer", (void **) &qglDrawBuffer},
+ {"core", "glDrawBuffers", (void **) &qglDrawBuffers},
+ {"core", "glDrawElements", (void **) &qglDrawElements},
+ {"core", "glEnable", (void **) &qglEnable},
+ {"core", "glEnableVertexAttribArray", (void **) &qglEnableVertexAttribArray},
+ {"core", "glEndQuery", (void **) &qglEndQuery},
+ {"core", "glFinish", (void **) &qglFinish},
+ {"core", "glFlush", (void **) &qglFlush},
+ {"core", "glFramebufferRenderbuffer", (void **) &qglFramebufferRenderbuffer},
+ {"core", "glFramebufferTexture1D", (void **) &qglFramebufferTexture1D},
+ {"core", "glFramebufferTexture2D", (void **) &qglFramebufferTexture2D},
+ {"core", "glFramebufferTexture3D", (void **) &qglFramebufferTexture3D},
+ {"core", "glFramebufferTextureLayer", (void **) &qglFramebufferTextureLayer},
+ {"core", "glGenBuffers", (void **) &qglGenBuffers},
+ {"core", "glGenFramebuffers", (void **) &qglGenFramebuffers},
+ {"core", "glGenQueries", (void **) &qglGenQueries},
+ {"core", "glGenRenderbuffers", (void **) &qglGenRenderbuffers},
+ {"core", "glGenTextures", (void **) &qglGenTextures},
+ {"core", "glGenVertexArrays", (void **)&qglGenVertexArrays},
+ {"core", "glGenerateMipmap", (void **) &qglGenerateMipmap},
+ {"core", "glGetActiveAttrib", (void **) &qglGetActiveAttrib},
+ {"core", "glGetActiveUniform", (void **) &qglGetActiveUniform},
+ {"core", "glGetActiveUniformBlockName", (void **) &qglGetActiveUniformBlockName},
+ {"core", "glGetActiveUniformBlockiv", (void **) &qglGetActiveUniformBlockiv},
+ {"core", "glGetActiveUniformName", (void **) &qglGetActiveUniformName},
+ {"core", "glGetActiveUniformsiv", (void **) &qglGetActiveUniformsiv},
+ {"core", "glGetAttachedShaders", (void **) &qglGetAttachedShaders},
+ {"core", "glGetAttribLocation", (void **) &qglGetAttribLocation},
+ {"core", "glGetBooleanv", (void **) &qglGetBooleanv},
+ {"core", "glGetCompressedTexImage", (void **) &qglGetCompressedTexImage},
+ {"core", "glGetDoublev", (void **) &qglGetDoublev},
+ {"core", "glGetError", (void **) &qglGetError},
+ {"core", "glGetFloatv", (void **) &qglGetFloatv},
+ {"core", "glGetFramebufferAttachmentParameteriv", (void **) &qglGetFramebufferAttachmentParameteriv},
+ {"core", "glGetIntegeri_v", (void **) &qglGetIntegeri_v},
+ {"core", "glGetIntegerv", (void **) &qglGetIntegerv},
+ {"core", "glGetProgramInfoLog", (void **) &qglGetProgramInfoLog},
+ {"core", "glGetProgramiv", (void **) &qglGetProgramiv},
+ {"core", "glGetQueryObjectiv", (void **) &qglGetQueryObjectiv},
+ {"core", "glGetQueryObjectuiv", (void **) &qglGetQueryObjectuiv},
+ {"core", "glGetQueryiv", (void **) &qglGetQueryiv},
+ {"core", "glGetRenderbufferParameteriv", (void **) &qglGetRenderbufferParameteriv},
+ {"core", "glGetShaderInfoLog", (void **) &qglGetShaderInfoLog},
+ {"core", "glGetShaderSource", (void **) &qglGetShaderSource},
+ {"core", "glGetShaderiv", (void **) &qglGetShaderiv},
+ {"core", "glGetString", (void **) &qglGetString},
+ {"core", "glGetStringi", (void **) &qglGetStringi},
+ {"core", "glGetTexImage", (void **) &qglGetTexImage},
+ {"core", "glGetTexLevelParameterfv", (void **) &qglGetTexLevelParameterfv},
+ {"core", "glGetTexLevelParameteriv", (void **) &qglGetTexLevelParameteriv},
+ {"core", "glGetTexParameterfv", (void **) &qglGetTexParameterfv},
+ {"core", "glGetTexParameteriv", (void **) &qglGetTexParameteriv},
+ {"core", "glGetUniformBlockIndex", (void **) &qglGetUniformBlockIndex},
+ {"core", "glGetUniformIndices", (void **) &qglGetUniformIndices},
+ {"core", "glGetUniformLocation", (void **) &qglGetUniformLocation},
+ {"core", "glGetUniformfv", (void **) &qglGetUniformfv},
+ {"core", "glGetUniformiv", (void **) &qglGetUniformiv},
+ {"core", "glGetVertexAttribPointerv", (void **) &qglGetVertexAttribPointerv},
+ {"core", "glGetVertexAttribdv", (void **) &qglGetVertexAttribdv},
+ {"core", "glGetVertexAttribfv", (void **) &qglGetVertexAttribfv},
+ {"core", "glGetVertexAttribiv", (void **) &qglGetVertexAttribiv},
+ {"core", "glHint", (void **) &qglHint},
+ {"core", "glIsBuffer", (void **) &qglIsBuffer},
+ {"core", "glIsEnabled", (void **) &qglIsEnabled},
+ {"core", "glIsFramebuffer", (void **) &qglIsFramebuffer},
+ {"core", "glIsQuery", (void **) &qglIsQuery},
+ {"core", "glIsRenderbuffer", (void **) &qglIsRenderbuffer},
+ {"core", "glLinkProgram", (void **) &qglLinkProgram},
+ {"core", "glMapBuffer", (void **) &qglMapBuffer},
+ {"core", "glPixelStorei", (void **) &qglPixelStorei},
+ {"core", "glPointSize", (void **) &qglPointSize},
+ {"core", "glPolygonMode", (void **) &qglPolygonMode},
+ {"core", "glPolygonOffset", (void **) &qglPolygonOffset},
+ {"core", "glReadBuffer", (void **) &qglReadBuffer},
+ {"core", "glReadPixels", (void **) &qglReadPixels},
+ {"core", "glRenderbufferStorage", (void **) &qglRenderbufferStorage},
+ {"core", "glRenderbufferStorageMultisample", (void **) &qglRenderbufferStorageMultisample},
+ {"core", "glSampleCoverage", (void **) &qglSampleCoverage},
+ {"core", "glScissor", (void **) &qglScissor},
+ {"core", "glShaderSource", (void **) &qglShaderSource},
+ {"core", "glStencilFunc", (void **) &qglStencilFunc},
+ {"core", "glStencilMask", (void **) &qglStencilMask},
+ {"core", "glStencilOp", (void **) &qglStencilOp},
+ {"core", "glTexImage2D", (void **) &qglTexImage2D},
+ {"core", "glTexImage3D", (void **) &qglTexImage3D},
+ {"core", "glTexParameterf", (void **) &qglTexParameterf},
+ {"core", "glTexParameterfv", (void **) &qglTexParameterfv},
+ {"core", "glTexParameteri", (void **) &qglTexParameteri},
+ {"core", "glTexSubImage2D", (void **) &qglTexSubImage2D},
+ {"core", "glTexSubImage3D", (void **) &qglTexSubImage3D},
+ {"core", "glUniform1f", (void **) &qglUniform1f},
+ {"core", "glUniform1fv", (void **) &qglUniform1fv},
+ {"core", "glUniform1i", (void **) &qglUniform1i},
+ {"core", "glUniform1iv", (void **) &qglUniform1iv},
+ {"core", "glUniform2f", (void **) &qglUniform2f},
+ {"core", "glUniform2fv", (void **) &qglUniform2fv},
+ {"core", "glUniform2i", (void **) &qglUniform2i},
+ {"core", "glUniform2iv", (void **) &qglUniform2iv},
+ {"core", "glUniform3f", (void **) &qglUniform3f},
+ {"core", "glUniform3fv", (void **) &qglUniform3fv},
+ {"core", "glUniform3i", (void **) &qglUniform3i},
+ {"core", "glUniform3iv", (void **) &qglUniform3iv},
+ {"core", "glUniform4f", (void **) &qglUniform4f},
+ {"core", "glUniform4fv", (void **) &qglUniform4fv},
+ {"core", "glUniform4i", (void **) &qglUniform4i},
+ {"core", "glUniform4iv", (void **) &qglUniform4iv},
+ {"core", "glUniformBlockBinding", (void **) &qglUniformBlockBinding},
+ {"core", "glUniformMatrix2fv", (void **) &qglUniformMatrix2fv},
+ {"core", "glUniformMatrix3fv", (void **) &qglUniformMatrix3fv},
+ {"core", "glUniformMatrix4fv", (void **) &qglUniformMatrix4fv},
+ {"core", "glUnmapBuffer", (void **) &qglUnmapBuffer},
+ {"core", "glUseProgram", (void **) &qglUseProgram},
+ {"core", "glValidateProgram", (void **) &qglValidateProgram},
+ {"core", "glVertexAttrib1d", (void **) &qglVertexAttrib1d},
+ {"core", "glVertexAttrib1dv", (void **) &qglVertexAttrib1dv},
+ {"core", "glVertexAttrib1f", (void **) &qglVertexAttrib1f},
+ {"core", "glVertexAttrib1fv", (void **) &qglVertexAttrib1fv},
+ {"core", "glVertexAttrib1s", (void **) &qglVertexAttrib1s},
+ {"core", "glVertexAttrib1sv", (void **) &qglVertexAttrib1sv},
+ {"core", "glVertexAttrib2d", (void **) &qglVertexAttrib2d},
+ {"core", "glVertexAttrib2dv", (void **) &qglVertexAttrib2dv},
+ {"core", "glVertexAttrib2f", (void **) &qglVertexAttrib2f},
+ {"core", "glVertexAttrib2fv", (void **) &qglVertexAttrib2fv},
+ {"core", "glVertexAttrib2s", (void **) &qglVertexAttrib2s},
+ {"core", "glVertexAttrib2sv", (void **) &qglVertexAttrib2sv},
+ {"core", "glVertexAttrib3d", (void **) &qglVertexAttrib3d},
+ {"core", "glVertexAttrib3dv", (void **) &qglVertexAttrib3dv},
+ {"core", "glVertexAttrib3f", (void **) &qglVertexAttrib3f},
+ {"core", "glVertexAttrib3fv", (void **) &qglVertexAttrib3fv},
+ {"core", "glVertexAttrib3s", (void **) &qglVertexAttrib3s},
+ {"core", "glVertexAttrib3sv", (void **) &qglVertexAttrib3sv},
+ {"core", "glVertexAttrib4Nbv", (void **) &qglVertexAttrib4Nbv},
+ {"core", "glVertexAttrib4Niv", (void **) &qglVertexAttrib4Niv},
+ {"core", "glVertexAttrib4Nsv", (void **) &qglVertexAttrib4Nsv},
+ {"core", "glVertexAttrib4Nub", (void **) &qglVertexAttrib4Nub},
+ {"core", "glVertexAttrib4Nubv", (void **) &qglVertexAttrib4Nubv},
+ {"core", "glVertexAttrib4Nuiv", (void **) &qglVertexAttrib4Nuiv},
+ {"core", "glVertexAttrib4Nusv", (void **) &qglVertexAttrib4Nusv},
+ {"core", "glVertexAttrib4bv", (void **) &qglVertexAttrib4bv},
+ {"core", "glVertexAttrib4d", (void **) &qglVertexAttrib4d},
+ {"core", "glVertexAttrib4dv", (void **) &qglVertexAttrib4dv},
+ {"core", "glVertexAttrib4f", (void **) &qglVertexAttrib4f},
+ {"core", "glVertexAttrib4fv", (void **) &qglVertexAttrib4fv},
+ {"core", "glVertexAttrib4iv", (void **) &qglVertexAttrib4iv},
+ {"core", "glVertexAttrib4s", (void **) &qglVertexAttrib4s},
+ {"core", "glVertexAttrib4sv", (void **) &qglVertexAttrib4sv},
+ {"core", "glVertexAttrib4ubv", (void **) &qglVertexAttrib4ubv},
+ {"core", "glVertexAttrib4uiv", (void **) &qglVertexAttrib4uiv},
+ {"core", "glVertexAttrib4usv", (void **) &qglVertexAttrib4usv},
+ {"core", "glVertexAttribPointer", (void **) &qglVertexAttribPointer},
+ {"core", "glViewport", (void **) &qglViewport},
+ {"glBindFragDataLocation", "glBindFragDataLocation", (void **) &qglBindFragDataLocation}, // optional (no preference)
+ {"GL_ARB_debug_output", "glDebugMessageControlARB", (void **)&qglDebugMessageControlARB},
+ {"GL_ARB_debug_output", "glDebugMessageInsertARB", (void **)&qglDebugMessageInsertARB},
+ {"GL_ARB_debug_output", "glDebugMessageCallbackARB", (void **)&qglDebugMessageCallbackARB},
+ {"GL_ARB_debug_output", "glGetDebugMessageLogARB", (void **)&qglGetDebugMessageLogARB},
+ {"GL_ARB_debug_output", "glGetPointerv", (void **)&qglGetPointerv},
+ {NULL, NULL, NULL}
+};
+#endif
- if (ext)
- Con_DPrintf("checking for %s... ", minglver_or_ext);
- else
- Con_DPrintf("checking for OpenGL %s core features... ", minglver_or_ext);
+qboolean GL_CheckExtension(const char *name, const char *disableparm, int silent)
+{
+ int failed = false;
+ const glfunction_t *func;
+ char extstr[MAX_INPUTLINE];
- for (func = funcs;func && func->name;func++)
- *func->funcvariable = NULL;
+ Con_DPrintf("checking for %s... ", name);
if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
{
return false;
}
- if (ext == 1) // opengl extension
- {
- if (!strstr(gl_extensions ? gl_extensions : "", minglver_or_ext) && !strstr(gl_platformextensions ? gl_platformextensions : "", minglver_or_ext))
- {
- Con_DPrint("not detected\n");
- return false;
- }
- }
-
- if(ext == 0) // opengl version
+ if (!GL_ExtensionSupported(name))
{
- if (sscanf(gl_version, "%d.%d", &curr_version.major, &curr_version.minor) < 2)
- curr_version.major = curr_version.minor = 1;
-
- if (curr_version.major < min_version.major || (curr_version.major == min_version.major && curr_version.minor < min_version.minor))
- {
- Con_DPrintf("not detected (OpenGL %d.%d loaded)\n", curr_version.major, curr_version.minor);
- return false;
- }
+ Con_DPrint("not detected\n");
+ return false;
}
- for (func = funcs;func && func->name != NULL;func++)
+ for (func = openglfuncs; func && func->name != NULL; func++)
{
- // Con_DPrintf("\n %s... ", func->name);
-
- // functions are cleared before all the extensions are evaluated
- if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
+ if (!*func->funcvariable && !strcmp(name, func->extension))
{
- if (ext && !silent)
- Con_DPrintf("%s is missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
- if (!ext)
- Con_Printf("OpenGL %s core features are missing function \"%s\" - broken driver!\n", minglver_or_ext, func->name);
+ if (!silent)
+ Con_DPrintf("%s is missing function \"%s\" - broken driver!\n", name, func->name);
failed = true;
}
}
if (failed)
return false;
// VorteX: add to found extension list
- dpsnprintf(extstr, sizeof(extstr), "%s %s ", gl_info_extensions.string, minglver_or_ext);
+ dpsnprintf(extstr, sizeof(extstr), "%s %s ", gl_info_extensions.string, name);
Cvar_SetQuick(&gl_info_extensions, extstr);
Con_DPrint("enabled\n");
return true;
}
-#ifndef USE_GLES2
-// functions we require from the driver - some of these are OpenGL 2.0, some are a bit newer
-static dllfunction_t openglfuncs[] =
-{
- {"glClearColor", (void **) &qglClearColor},
- {"glClear", (void **) &qglClear},
- {"glBlendFunc", (void **) &qglBlendFunc},
- {"glCullFace", (void **) &qglCullFace},
- {"glDrawBuffer", (void **) &qglDrawBuffer},
- {"glReadBuffer", (void **) &qglReadBuffer},
- {"glEnable", (void **) &qglEnable},
- {"glDisable", (void **) &qglDisable},
- {"glIsEnabled", (void **) &qglIsEnabled},
- {"glGetBooleanv", (void **) &qglGetBooleanv},
- {"glGetDoublev", (void **) &qglGetDoublev},
- {"glGetFloatv", (void **) &qglGetFloatv},
- {"glGetIntegerv", (void **) &qglGetIntegerv},
- {"glGetError", (void **) &qglGetError},
- {"glGetString", (void **) &qglGetString},
- {"glFinish", (void **) &qglFinish},
- {"glFlush", (void **) &qglFlush},
- {"glClearDepth", (void **) &qglClearDepth},
- {"glDepthFunc", (void **) &qglDepthFunc},
- {"glDepthMask", (void **) &qglDepthMask},
- {"glDepthRange", (void **) &qglDepthRange},
- {"glDrawElements", (void **) &qglDrawElements},
- {"glDrawArrays", (void **) &qglDrawArrays},
- {"glColorMask", (void **) &qglColorMask},
- {"glPointSize", (void**) &qglPointSize},
- {"glViewport", (void **) &qglViewport},
- {"glReadPixels", (void **) &qglReadPixels},
- {"glStencilFunc", (void **) &qglStencilFunc},
- {"glStencilMask", (void **) &qglStencilMask},
- {"glStencilOp", (void **) &qglStencilOp},
- {"glClearStencil", (void **) &qglClearStencil},
- {"glTexParameterf", (void **) &qglTexParameterf},
- {"glTexParameterfv", (void **) &qglTexParameterfv},
- {"glTexParameteri", (void **) &qglTexParameteri},
- {"glGetTexImage", (void **) &qglGetTexImage},
- {"glGetTexParameterfv", (void **) &qglGetTexParameterfv},
- {"glGetTexParameteriv", (void **) &qglGetTexParameteriv},
- {"glGetTexLevelParameterfv", (void **) &qglGetTexLevelParameterfv},
- {"glGetTexLevelParameteriv", (void **) &qglGetTexLevelParameteriv},
- {"glHint", (void **) &qglHint},
- {"glPixelStorei", (void **) &qglPixelStorei},
- {"glGenTextures", (void **) &qglGenTextures},
- {"glDeleteTextures", (void **) &qglDeleteTextures},
- {"glBindTexture", (void **) &qglBindTexture},
- {"glTexImage2D", (void **) &qglTexImage2D},
- {"glTexSubImage2D", (void **) &qglTexSubImage2D},
- {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
- {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
- {"glScissor", (void **) &qglScissor},
- {"glPolygonOffset", (void **) &qglPolygonOffset},
- {"glPolygonMode", (void **) &qglPolygonMode},
- {"glActiveTexture", (void **) &qglActiveTexture},
- {"glTexImage3D", (void **) &qglTexImage3D},
- {"glTexSubImage3D", (void **) &qglTexSubImage3D},
- {"glCopyTexSubImage3D", (void **) &qglCopyTexSubImage3D},
- {"glDeleteShader", (void **) &qglDeleteShader},
- {"glDeleteProgram", (void **) &qglDeleteProgram},
- {"glDetachShader", (void **) &qglDetachShader},
- {"glCreateShader", (void **) &qglCreateShader},
- {"glShaderSource", (void **) &qglShaderSource},
- {"glCompileShader", (void **) &qglCompileShader},
- {"glCreateProgram", (void **) &qglCreateProgram},
- {"glAttachShader", (void **) &qglAttachShader},
- {"glLinkProgram", (void **) &qglLinkProgram},
- {"glUseProgram", (void **) &qglUseProgram},
- {"glValidateProgram", (void **) &qglValidateProgram},
- {"glUniform1f", (void **) &qglUniform1f},
- {"glUniform2f", (void **) &qglUniform2f},
- {"glUniform3f", (void **) &qglUniform3f},
- {"glUniform4f", (void **) &qglUniform4f},
- {"glUniform1i", (void **) &qglUniform1i},
- {"glUniform2i", (void **) &qglUniform2i},
- {"glUniform3i", (void **) &qglUniform3i},
- {"glUniform4i", (void **) &qglUniform4i},
- {"glUniform1fv", (void **) &qglUniform1fv},
- {"glUniform2fv", (void **) &qglUniform2fv},
- {"glUniform3fv", (void **) &qglUniform3fv},
- {"glUniform4fv", (void **) &qglUniform4fv},
- {"glUniform1iv", (void **) &qglUniform1iv},
- {"glUniform2iv", (void **) &qglUniform2iv},
- {"glUniform3iv", (void **) &qglUniform3iv},
- {"glUniform4iv", (void **) &qglUniform4iv},
- {"glUniformMatrix2fv", (void **) &qglUniformMatrix2fv},
- {"glUniformMatrix3fv", (void **) &qglUniformMatrix3fv},
- {"glUniformMatrix4fv", (void **) &qglUniformMatrix4fv},
- {"glGetShaderiv", (void **) &qglGetShaderiv},
- {"glGetProgramiv", (void **) &qglGetProgramiv},
- {"glGetShaderInfoLog", (void **) &qglGetShaderInfoLog},
- {"glGetProgramInfoLog", (void **) &qglGetProgramInfoLog},
- {"glGetAttachedShaders", (void **) &qglGetAttachedShaders},
- {"glGetUniformLocation", (void **) &qglGetUniformLocation},
- {"glGetActiveUniform", (void **) &qglGetActiveUniform},
- {"glGetUniformfv", (void **) &qglGetUniformfv},
- {"glGetUniformiv", (void **) &qglGetUniformiv},
- {"glGetShaderSource", (void **) &qglGetShaderSource},
- {"glVertexAttrib1f", (void **) &qglVertexAttrib1f},
- {"glVertexAttrib1s", (void **) &qglVertexAttrib1s},
- {"glVertexAttrib1d", (void **) &qglVertexAttrib1d},
- {"glVertexAttrib2f", (void **) &qglVertexAttrib2f},
- {"glVertexAttrib2s", (void **) &qglVertexAttrib2s},
- {"glVertexAttrib2d", (void **) &qglVertexAttrib2d},
- {"glVertexAttrib3f", (void **) &qglVertexAttrib3f},
- {"glVertexAttrib3s", (void **) &qglVertexAttrib3s},
- {"glVertexAttrib3d", (void **) &qglVertexAttrib3d},
- {"glVertexAttrib4f", (void **) &qglVertexAttrib4f},
- {"glVertexAttrib4s", (void **) &qglVertexAttrib4s},
- {"glVertexAttrib4d", (void **) &qglVertexAttrib4d},
- {"glVertexAttrib4Nub", (void **) &qglVertexAttrib4Nub},
- {"glVertexAttrib1fv", (void **) &qglVertexAttrib1fv},
- {"glVertexAttrib1sv", (void **) &qglVertexAttrib1sv},
- {"glVertexAttrib1dv", (void **) &qglVertexAttrib1dv},
- {"glVertexAttrib2fv", (void **) &qglVertexAttrib1fv},
- {"glVertexAttrib2sv", (void **) &qglVertexAttrib1sv},
- {"glVertexAttrib2dv", (void **) &qglVertexAttrib1dv},
- {"glVertexAttrib3fv", (void **) &qglVertexAttrib1fv},
- {"glVertexAttrib3sv", (void **) &qglVertexAttrib1sv},
- {"glVertexAttrib3dv", (void **) &qglVertexAttrib1dv},
- {"glVertexAttrib4fv", (void **) &qglVertexAttrib1fv},
- {"glVertexAttrib4sv", (void **) &qglVertexAttrib1sv},
- {"glVertexAttrib4dv", (void **) &qglVertexAttrib1dv},
-// {"glVertexAttrib4iv", (void **) &qglVertexAttrib1iv},
-// {"glVertexAttrib4bv", (void **) &qglVertexAttrib1bv},
-// {"glVertexAttrib4ubv", (void **) &qglVertexAttrib1ubv},
-// {"glVertexAttrib4usv", (void **) &qglVertexAttrib1usv},
-// {"glVertexAttrib4uiv", (void **) &qglVertexAttrib1uiv},
-// {"glVertexAttrib4Nbv", (void **) &qglVertexAttrib1Nbv},
-// {"glVertexAttrib4Nsv", (void **) &qglVertexAttrib1Nsv},
-// {"glVertexAttrib4Niv", (void **) &qglVertexAttrib1Niv},
-// {"glVertexAttrib4Nubv", (void **) &qglVertexAttrib1Nubv},
-// {"glVertexAttrib4Nusv", (void **) &qglVertexAttrib1Nusv},
-// {"glVertexAttrib4Nuiv", (void **) &qglVertexAttrib1Nuiv},
- {"glVertexAttribPointer", (void **) &qglVertexAttribPointer},
- {"glEnableVertexAttribArray", (void **) &qglEnableVertexAttribArray},
- {"glDisableVertexAttribArray", (void **) &qglDisableVertexAttribArray},
- {"glBindAttribLocation", (void **) &qglBindAttribLocation},
- {"glGetActiveAttrib", (void **) &qglGetActiveAttrib},
- {"glGetAttribLocation", (void **) &qglGetAttribLocation},
- {"glGetVertexAttribdv", (void **) &qglGetVertexAttribdv},
- {"glGetVertexAttribfv", (void **) &qglGetVertexAttribfv},
- {"glGetVertexAttribiv", (void **) &qglGetVertexAttribiv},
- {"glGetVertexAttribPointerv", (void **) &qglGetVertexAttribPointerv},
- {"glBindBuffer", (void **) &qglBindBuffer},
- {"glDeleteBuffers", (void **) &qglDeleteBuffers},
- {"glGenBuffers", (void **) &qglGenBuffers},
- {"glIsBuffer", (void **) &qglIsBuffer},
- {"glMapBuffer", (void **) &qglMapBuffer},
- {"glUnmapBuffer", (void **) &qglUnmapBuffer},
- {"glBufferData", (void **) &qglBufferData},
- {"glBufferSubData", (void **) &qglBufferSubData},
- {"glIsRenderbuffer", (void **) &qglIsRenderbuffer},
- {"glBindRenderbuffer", (void **) &qglBindRenderbuffer},
- {"glDeleteRenderbuffers", (void **) &qglDeleteRenderbuffers},
- {"glGenRenderbuffers", (void **) &qglGenRenderbuffers},
- {"glRenderbufferStorage", (void **) &qglRenderbufferStorage},
- {"glRenderbufferStorageMultisample", (void **) &qglRenderbufferStorageMultisample},
- {"glGetRenderbufferParameteriv", (void **) &qglGetRenderbufferParameteriv},
- {"glIsFramebuffer", (void **) &qglIsFramebuffer},
- {"glBindFramebuffer", (void **) &qglBindFramebuffer},
- {"glDeleteFramebuffers", (void **) &qglDeleteFramebuffers},
- {"glGenFramebuffers", (void **) &qglGenFramebuffers},
- {"glCheckFramebufferStatus", (void **) &qglCheckFramebufferStatus},
- {"glFramebufferTexture1D", (void **) &qglFramebufferTexture1D},
- {"glFramebufferTexture2D", (void **) &qglFramebufferTexture2D},
- {"glFramebufferTexture3D", (void **) &qglFramebufferTexture3D},
- {"glFramebufferTextureLayer", (void **) &qglFramebufferTextureLayer},
- {"glFramebufferRenderbuffer", (void **) &qglFramebufferRenderbuffer},
- {"glGetFramebufferAttachmentParameteriv", (void **) &qglGetFramebufferAttachmentParameteriv},
- {"glBlitFramebuffer", (void **) &qglBlitFramebuffer},
- {"glGenerateMipmap", (void **) &qglGenerateMipmap},
- {"glGetUniformIndices", (void **) &qglGetUniformIndices},
- {"glGetActiveUniformsiv", (void **) &qglGetActiveUniformsiv},
- {"glGetActiveUniformName", (void **) &qglGetActiveUniformName},
- {"glGetUniformBlockIndex", (void **) &qglGetUniformBlockIndex},
- {"glGetActiveUniformBlockiv", (void **) &qglGetActiveUniformBlockiv},
- {"glGetActiveUniformBlockName", (void **) &qglGetActiveUniformBlockName},
- {"glBindBufferRange", (void **) &qglBindBufferRange},
- {"glBindBufferBase", (void **) &qglBindBufferBase},
- {"glGetIntegeri_v", (void **) &qglGetIntegeri_v},
- {"glUniformBlockBinding", (void **) &qglUniformBlockBinding},
- {"glBlendEquation", (void **) &qglBlendEquation},
- {"glCompressedTexImage3D", (void **) &qglCompressedTexImage3D},
- {"glCompressedTexImage2D", (void **) &qglCompressedTexImage2D},
- {"glCompressedTexSubImage3D", (void **) &qglCompressedTexSubImage3D},
- {"glCompressedTexSubImage2D", (void **) &qglCompressedTexSubImage2D},
- {"glGetCompressedTexImage", (void **) &qglGetCompressedTexImage},
- {"glGenQueries", (void **) &qglGenQueries},
- {"glDeleteQueries", (void **) &qglDeleteQueries},
- {"glIsQuery", (void **) &qglIsQuery},
- {"glBeginQuery", (void **) &qglBeginQuery},
- {"glEndQuery", (void **) &qglEndQuery},
- {"glGetQueryiv", (void **) &qglGetQueryiv},
- {"glGetQueryObjectiv", (void **) &qglGetQueryObjectiv},
- {"glGetQueryObjectuiv", (void **) &qglGetQueryObjectuiv},
- {"glDrawBuffers", (void **) &qglDrawBuffers},
- {"glSampleCoverage", (void **) &qglSampleCoverage},
- {"glBlendFuncSeparate", (void **) &qglBlendFuncSeparate},
- {"glBindFragDataLocation", (void **) &qglBindFragDataLocation},
- {NULL, NULL}
-};
-
-static dllfunction_t debugoutputfuncs[] =
-{
- {"glDebugMessageControlARB", (void **)&qglDebugMessageControlARB},
- {"glDebugMessageInsertARB", (void **)&qglDebugMessageInsertARB},
- {"glDebugMessageCallbackARB", (void **)&qglDebugMessageCallbackARB},
- {"glGetDebugMessageLogARB", (void **)&qglGetDebugMessageLogARB},
- {"glGetPointerv", (void **)&qglGetPointerv},
- {NULL, NULL}
-};
-
-#endif
-
void VID_ClearExtensions(void)
{
// VorteX: reset extensions info cvar, it got filled by GL_CheckExtension
memset(&vid.support, 0, sizeof(vid.support));
}
-#ifndef USE_GLES2
-void VID_CheckExtensions(void)
+void GL_Setup(void)
{
char *s;
- if (!GL_CheckExtension("glbase", openglfuncs, NULL, false))
- Sys_Error("OpenGL driver/hardware lacks required features");
+ const glfunction_t *func;
+ qboolean missingrequiredfuncs = false;
+ static char missingfuncs[16384];
+
+#ifndef USE_GLES2
+ // first fetch the function pointers for everything - after this we can begin making GL calls.
+ for (func = openglfuncs; func->name != NULL; func++)
+ *func->funcvariable = (void *)GL_GetProcAddress(func->name);
+#endif
+
+ gl_renderer = (const char *)qglGetString(GL_RENDERER);
+ gl_vendor = (const char *)qglGetString(GL_VENDOR);
+ gl_version = (const char *)qglGetString(GL_VERSION);
+
+ Con_Printf("GL_VENDOR: %s\n", gl_vendor);
+ Con_Printf("GL_RENDERER: %s\n", gl_renderer);
+ Con_Printf("GL_VERSION: %s\n", gl_version);
+
+ if (developer.integer)
+ {
+ int j;
+ GLint numextensions = 0;
+ qglGetIntegerv(GL_NUM_EXTENSIONS, &numextensions);
+ Con_DPrint("GL_EXTENSIONS:");
+ for (j = 0; j < numextensions; j++)
+ {
+ const char *ext = (const char *)qglGetStringi(GL_EXTENSIONS, j);
+ Con_DPrintf(" %s", ext);
+ }
+ Con_DPrint("\n");
+ }
- CHECKGLERROR
+#ifndef USE_GLES2
+ missingfuncs[0] = 0;
+ for (func = openglfuncs; func && func->name != NULL; func++)
+ {
+ if (!*func->funcvariable && !strcmp(func->extension, "core"))
+ {
+ Con_DPrintf("GL context is missing required function \"%s\"!\n", func->name);
+ missingrequiredfuncs = true;
+ strlcat(missingfuncs, " ", sizeof(missingfuncs));
+ strlcat(missingfuncs, func->name, sizeof(missingfuncs));
+ }
+ }
+
+ if (missingrequiredfuncs)
+ Sys_Error("OpenGL driver/hardware lacks required features:\n%s", missingfuncs);
+#endif
Con_DPrint("Checking OpenGL extensions...\n");
- // detect what GLSL version is available, to enable features like r_glsl_skeletal and higher quality reliefmapping
+ // detect what GLSL version is available, to enable features like higher quality reliefmapping
vid.support.glshaderversion = 100;
s = (char *) qglGetString(GL_SHADING_LANGUAGE_VERSION);
if (s)
// GL drivers generally prefer GL_BGRA
vid.forcetextype = GL_BGRA;
- vid.support.amd_texture_texture4 = GL_CheckExtension("GL_AMD_texture_texture4", NULL, "-notexture4", false);
+ vid.support.amd_texture_texture4 = GL_CheckExtension("GL_AMD_texture_texture4", "-notexture4", false);
vid.support.arb_draw_buffers = true;
vid.support.arb_occlusion_query = true;
vid.support.arb_query_buffer_object = true;
vid.support.arb_texture_compression = true;
- vid.support.arb_texture_gather = GL_CheckExtension("GL_ARB_texture_gather", NULL, "-notexturegather", false);
+ vid.support.arb_texture_gather = GL_CheckExtension("GL_ARB_texture_gather", "-notexturegather", false);
vid.support.ext_blend_minmax = true;
vid.support.ext_blend_subtract = true;
vid.support.ext_blend_func_separate = true;
vid.support.ext_packed_depth_stencil = true;
- vid.support.ext_texture_compression_s3tc = GL_CheckExtension("GL_EXT_texture_compression_s3tc", NULL, "-nos3tc", false);
- vid.support.ext_texture_filter_anisotropic = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false);
+ vid.support.ext_texture_compression_s3tc = GL_CheckExtension("GL_EXT_texture_compression_s3tc", "-nos3tc", false);
+ vid.support.ext_texture_filter_anisotropic = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", "-noanisotropy", false);
vid.support.ext_texture_srgb = true;
vid.support.arb_texture_float = true;
vid.support.arb_half_float_pixel = true;
vid.support.arb_half_float_vertex = true;
vid.support.arb_multisample = true;
- vid.support.arb_debug_output = GL_CheckExtension("GL_ARB_debug_output", debugoutputfuncs, "-nogldebugoutput", false);
+ vid.support.arb_debug_output = GL_CheckExtension("GL_ARB_debug_output", "-nogldebugoutput", false);
vid.allowalphatocoverage = false;
// COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing)
-// COMMANDLINEOPTION: GL: -noblendminmax disables GL_EXT_blend_minmax
-// COMMANDLINEOPTION: GL: -noblendsubtract disables GL_EXT_blend_subtract
-// COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering)
-// COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
-// COMMANDLINEOPTION: GL: -nodepthtexture disables use of GL_ARB_depth_texture (required for shadowmapping)
-// COMMANDLINEOPTION: GL: -nodrawbuffers disables use of GL_ARB_draw_buffers (required for r_shadow_deferredprepass)
-// COMMANDLINEOPTION: GL: -noedgeclamp disables GL_EXT_texture_edge_clamp or GL_SGIS_texture_edge_clamp (recommended, some cards do not support the other texture clamp method)
-// COMMANDLINEOPTION: GL: -nofbo disables GL_EXT_framebuffer_object (which accelerates rendering), only used if GL_ARB_fragment_shader is also available
-// COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering)
-// COMMANDLINEOPTION: GL: -noocclusionquery disables GL_ARB_occlusion_query (which allows coronas to fade according to visibility, and potentially used for rendering optimizations)
-// COMMANDLINEOPTION: GL: -noquerybuffer disables GL_ARB_query_buffer_object (which allows corona fading without synchronous rendering)
// COMMANDLINEOPTION: GL: -nos3tc disables GL_EXT_texture_compression_s3tc (which allows use of .dds texture caching)
-// COMMANDLINEOPTION: GL: -noshadow disables use of GL_ARB_shadow (required for hardware shadowmap filtering)
-// COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
// COMMANDLINEOPTION: GL: -notexture4 disables GL_AMD_texture_texture4 (which provides fetch4 sampling)
-// COMMANDLINEOPTION: GL: -notexturecompression disables GL_ARB_texture_compression (which saves video memory if it is supported, but can also degrade image quality, see gl_texturecompression cvar documentation for more information)
// COMMANDLINEOPTION: GL: -notexturegather disables GL_ARB_texture_gather (which provides fetch4 sampling)
-// COMMANDLINEOPTION: GL: -notexturenonpoweroftwo disables GL_ARB_texture_non_power_of_two (which saves video memory if it is supported, but crashes on some buggy drivers)
-// COMMANDLINEOPTION: GL: -novbo disables GL_ARB_vertex_buffer_object (which accelerates rendering)
-// COMMANDLINEOPTION: GL: -nosrgb disables GL_EXT_texture_sRGB (which is used for higher quality non-linear texture gamma)
-// COMMANDLINEOPTION: GL: -nomultisample disables GL_ARB_multisample
+// COMMANDLINEOPTION: GL: -nogldebugoutput disables GL_ARB_debug_output (which provides the gl_debug feature, if enabled)
if (vid.support.arb_draw_buffers)
qglGetIntegerv(GL_MAX_DRAW_BUFFERS, (GLint*)&vid.maxdrawbuffers);
vid.renderpath = RENDERPATH_GL32;
vid.sRGBcapable2D = false;
vid.sRGBcapable3D = true;
- vid.allowalphatocoverage = true; // but see below, it may get turned to false again if GL_SAMPLES is <= 1
-
// enable multisample antialiasing if possible
- if(vid.support.arb_multisample)
+ vid.allowalphatocoverage = true; // but see below, it may get turned to false again if GL_SAMPLES is <= 1
{
int samples = 0;
qglGetIntegerv(GL_SAMPLES, &samples);
else
vid.allowalphatocoverage = false;
}
- else
- {
- vid.allowalphatocoverage = false;
- vid.samples = 1;
- }
-
- // VorteX: set other info (maybe place them in VID_InitMode?)
- Cvar_SetQuick(&gl_info_vendor, gl_vendor);
- Cvar_SetQuick(&gl_info_renderer, gl_renderer);
- Cvar_SetQuick(&gl_info_version, gl_version);
- Cvar_SetQuick(&gl_info_platform, gl_platform ? gl_platform : "");
- Cvar_SetQuick(&gl_info_driver, gl_driver);
}
-#endif
float VID_JoyState_GetAxis(const vid_joystate_t *joystate, int axis, float fsensitivity, float deadzone)
{
projects / xonotic / darkplaces.git / commitdiff