#include "quakedef.h"
+#include "cdaudio.h"
+
+// global video state
+viddef_t vid;
// LordHavoc: these are only set in wgl
qboolean isG200 = false; // LordHavoc: the Matrox G200 can't do per pixel alpha, and it uses a D3D driver for GL... ugh...
qboolean isRagePro = false; // LordHavoc: the ATI Rage Pro has limitations with per pixel alpha (the color scaler does not apply to per pixel alpha images...), although not as bad as a G200.
-// LordHavoc: GL_ARB_multitexture support
-int gl_mtexable = false;
-// LordHavoc: GL_ARB_texture_env_combine support
+// AK FIXME -> input_dest
+qboolean in_client_mouse = true;
+
+// AK where should it be placed ?
+float in_mouse_x, in_mouse_y;
+
+// GL_ARB_multitexture
+int gl_textureunits = 1;
+// GL_ARB_texture_env_combine or GL_EXT_texture_env_combine
int gl_combine_extension = false;
-// LordHavoc: GL_EXT_compiled_vertex_array support
+// GL_EXT_compiled_vertex_array
int gl_supportslockarrays = false;
+// GLX_SGI_swap_control or WGL_EXT_swap_control
+int gl_videosyncavailable = false;
+// stencil available
+int gl_stencil = false;
+// 3D textures available
+int gl_texture3d = false;
+// GL_ARB_texture_cubemap
+int gl_texturecubemap = false;
+// GL_ARB_texture_env_dot3
+int gl_dot3arb = false;
+// GL_SGIS_texture_edge_clamp
+int gl_support_clamptoedge = false;
+// GL_EXT_texture_filter_anisotropic
+int gl_support_anisotropy = false;
+int gl_max_anisotropy = 1;
+// GL_NV_texture_shader
+int gl_textureshader = false;
+// GL_EXT_stencil_two_side
+int gl_support_stenciltwoside = false;
+// GL_ARB_shader_objects
+int gl_support_shader_objects = false;
+// GL_ARB_shading_language_100
+int gl_support_shading_language_100 = false;
+// GL_ARB_vertex_shader
+int gl_support_vertex_shader = false;
+// GL_ARB_fragment_shader
+int gl_support_fragment_shader = false;
+
+// LordHavoc: if window is hidden, don't update screen
+qboolean vid_hidden = true;
+// LordHavoc: if window is not the active window, don't hog as much CPU time,
+// let go of the mouse, turn off sound, and restore system gamma ramps...
+qboolean vid_activewindow = true;
-cvar_t vid_mode = {0, "vid_mode", "0"};
+// we don't know until we try it!
+cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1"};
+// whether hardware gamma ramps are currently in effect
+qboolean vid_usinghwgamma = false;
+
+unsigned short vid_gammaramps[768];
+unsigned short vid_systemgammaramps[768];
+
+cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1"};
+cvar_t vid_width = {CVAR_SAVE, "vid_width", "640"};
+cvar_t vid_height = {CVAR_SAVE, "vid_height", "480"};
+cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32"};
+
+cvar_t vid_vsync = {CVAR_SAVE, "vid_vsync", "0"};
cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1"};
-cvar_t vid_fullscreen = {0, "vid_fullscreen", "1"};
cvar_t gl_combine = {0, "gl_combine", "1"};
+cvar_t gl_finish = {0, "gl_finish", "0"};
+
+cvar_t v_gamma = {CVAR_SAVE, "v_gamma", "1"};
+cvar_t v_contrast = {CVAR_SAVE, "v_contrast", "1"};
+cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0"};
+cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0"};
+cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0"};
+cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0"};
+cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0"};
+cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5"};
+cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5"};
+cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5"};
+cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1"};
+cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1"};
+cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1"};
+cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "1"};
+cvar_t v_psycho = {0, "v_psycho", "0"};
+
+// brand of graphics chip
+const char *gl_vendor;
+// graphics chip model and other information
+const char *gl_renderer;
+// begins with 1.0.0, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.3.1, or 1.4.0
+const char *gl_version;
+// extensions list, space separated
+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];
// GL_ARB_multitexture
+void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat);
void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
+void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
+void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
void (GLAPIENTRY *qglActiveTexture) (GLenum);
void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
void (GLAPIENTRY *qglUnlockArraysEXT) (void);
-typedef struct
+//GL_NV_vertex_array_range
+GLvoid *(GLAPIENTRY *qglAllocateMemoryNV)(GLsizei size, GLfloat readFrequency, GLfloat writeFrequency, GLfloat priority);
+GLvoid (GLAPIENTRY *qglFreeMemoryNV)(GLvoid *pointer);
+GLvoid (GLAPIENTRY *qglVertexArrayRangeNV)(GLsizei length, GLvoid *pointer);
+GLvoid (GLAPIENTRY *qglFlushVertexArrayRangeNV)(GLvoid);
+
+// general GL functions
+
+void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
+
+void (GLAPIENTRY *qglClear)(GLbitfield mask);
+
+void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
+void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
+void (GLAPIENTRY *qglCullFace)(GLenum mode);
+
+void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
+void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
+void (GLAPIENTRY *qglEnable)(GLenum cap);
+void (GLAPIENTRY *qglDisable)(GLenum cap);
+GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
+
+void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
+void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
+
+void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
+void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
+void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
+void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
+
+GLenum (GLAPIENTRY *qglGetError)(void);
+const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
+void (GLAPIENTRY *qglFinish)(void);
+void (GLAPIENTRY *qglFlush)(void);
+
+void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
+void (GLAPIENTRY *qglDepthFunc)(GLenum func);
+void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
+void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
+void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
+
+void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
+void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
+void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
+void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+void (GLAPIENTRY *qglArrayElement)(GLint i);
+
+void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
+void (GLAPIENTRY *qglTexCoord1f)(GLfloat s);
+void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
+void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
+void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
+void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
+void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
+void (GLAPIENTRY *qglBegin)(GLenum mode);
+void (GLAPIENTRY *qglEnd)(void);
+
+void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
+void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
+void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
+void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
+void (GLAPIENTRY *qglPushMatrix)(void);
+void (GLAPIENTRY *qglPopMatrix)(void);
+void (GLAPIENTRY *qglLoadIdentity)(void);
+void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
+void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
+void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
+void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
+void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
+void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
+void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
+void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
+void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
+void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
+
+void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
+
+void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
+void (GLAPIENTRY *qglStencilMask)(GLuint mask);
+void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
+void (GLAPIENTRY *qglClearStencil)(GLint s);
+
+void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
+void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
+void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
+void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
+void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
+void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
+
+void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
+void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
+void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
+//void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
+//GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
+GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
+void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
+void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
+
+void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
+void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
+void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
+void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
+void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
+void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
+
+
+void (GLAPIENTRY *qglDrawRangeElementsEXT)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
+
+//void (GLAPIENTRY *qglColorTableEXT)(int, int, int, int, int, const void *);
+
+void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+void (GLAPIENTRY *qglTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels);
+void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
+
+void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
+
+void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
+
+void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
+
+void (GLAPIENTRY *qglDeleteObjectARB)(GLhandleARB obj);
+GLhandleARB (GLAPIENTRY *qglGetHandleARB)(GLenum pname);
+void (GLAPIENTRY *qglDetachObjectARB)(GLhandleARB containerObj, GLhandleARB attachedObj);
+GLhandleARB (GLAPIENTRY *qglCreateShaderObjectARB)(GLenum shaderType);
+void (GLAPIENTRY *qglShaderSourceARB)(GLhandleARB shaderObj, GLsizei count, const GLcharARB **string, const GLint *length);
+void (GLAPIENTRY *qglCompileShaderARB)(GLhandleARB shaderObj);
+GLhandleARB (GLAPIENTRY *qglCreateProgramObjectARB)(void);
+void (GLAPIENTRY *qglAttachObjectARB)(GLhandleARB containerObj, GLhandleARB obj);
+void (GLAPIENTRY *qglLinkProgramARB)(GLhandleARB programObj);
+void (GLAPIENTRY *qglUseProgramObjectARB)(GLhandleARB programObj);
+void (GLAPIENTRY *qglValidateProgramARB)(GLhandleARB programObj);
+void (GLAPIENTRY *qglUniform1fARB)(GLint location, GLfloat v0);
+void (GLAPIENTRY *qglUniform2fARB)(GLint location, GLfloat v0, GLfloat v1);
+void (GLAPIENTRY *qglUniform3fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
+void (GLAPIENTRY *qglUniform4fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+void (GLAPIENTRY *qglUniform1iARB)(GLint location, GLint v0);
+void (GLAPIENTRY *qglUniform2iARB)(GLint location, GLint v0, GLint v1);
+void (GLAPIENTRY *qglUniform3iARB)(GLint location, GLint v0, GLint v1, GLint v2);
+void (GLAPIENTRY *qglUniform4iARB)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
+void (GLAPIENTRY *qglUniform1fvARB)(GLint location, GLsizei count, const GLfloat *value);
+void (GLAPIENTRY *qglUniform2fvARB)(GLint location, GLsizei count, const GLfloat *value);
+void (GLAPIENTRY *qglUniform3fvARB)(GLint location, GLsizei count, const GLfloat *value);
+void (GLAPIENTRY *qglUniform4fvARB)(GLint location, GLsizei count, const GLfloat *value);
+void (GLAPIENTRY *qglUniform1ivARB)(GLint location, GLsizei count, const GLint *value);
+void (GLAPIENTRY *qglUniform2ivARB)(GLint location, GLsizei count, const GLint *value);
+void (GLAPIENTRY *qglUniform3ivARB)(GLint location, GLsizei count, const GLint *value);
+void (GLAPIENTRY *qglUniform4ivARB)(GLint location, GLsizei count, const GLint *value);
+void (GLAPIENTRY *qglUniformMatrix2fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+void (GLAPIENTRY *qglUniformMatrix3fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+void (GLAPIENTRY *qglUniformMatrix4fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+void (GLAPIENTRY *qglGetObjectParameterfvARB)(GLhandleARB obj, GLenum pname, GLfloat *params);
+void (GLAPIENTRY *qglGetObjectParameterivARB)(GLhandleARB obj, GLenum pname, GLint *params);
+void (GLAPIENTRY *qglGetInfoLogARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
+void (GLAPIENTRY *qglGetAttachedObjectsARB)(GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj);
+GLint (GLAPIENTRY *qglGetUniformLocationARB)(GLhandleARB programObj, const GLcharARB *name);
+void (GLAPIENTRY *qglGetActiveUniformARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
+void (GLAPIENTRY *qglGetUniformfvARB)(GLhandleARB programObj, GLint location, GLfloat *params);
+void (GLAPIENTRY *qglGetUniformivARB)(GLhandleARB programObj, GLint location, GLint *params);
+void (GLAPIENTRY *qglGetShaderSourceARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
+
+//void (GLAPIENTRY *qglVertexAttrib1fARB)(GLuint index, GLfloat v0);
+//void (GLAPIENTRY *qglVertexAttrib1sARB)(GLuint index, GLshort v0);
+//void (GLAPIENTRY *qglVertexAttrib1dARB)(GLuint index, GLdouble v0);
+//void (GLAPIENTRY *qglVertexAttrib2fARB)(GLuint index, GLfloat v0, GLfloat v1);
+//void (GLAPIENTRY *qglVertexAttrib2sARB)(GLuint index, GLshort v0, GLshort v1);
+//void (GLAPIENTRY *qglVertexAttrib2dARB)(GLuint index, GLdouble v0, GLdouble v1);
+//void (GLAPIENTRY *qglVertexAttrib3fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
+//void (GLAPIENTRY *qglVertexAttrib3sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
+//void (GLAPIENTRY *qglVertexAttrib3dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
+//void (GLAPIENTRY *qglVertexAttrib4fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+//void (GLAPIENTRY *qglVertexAttrib4sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
+//void (GLAPIENTRY *qglVertexAttrib4dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
+//void (GLAPIENTRY *qglVertexAttrib4NubARB)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
+//void (GLAPIENTRY *qglVertexAttrib1fvARB)(GLuint index, const GLfloat *v);
+//void (GLAPIENTRY *qglVertexAttrib1svARB)(GLuint index, const GLshort *v);
+//void (GLAPIENTRY *qglVertexAttrib1dvARB)(GLuint index, const GLdouble *v);
+//void (GLAPIENTRY *qglVertexAttrib2fvARB)(GLuint index, const GLfloat *v);
+//void (GLAPIENTRY *qglVertexAttrib2svARB)(GLuint index, const GLshort *v);
+//void (GLAPIENTRY *qglVertexAttrib2dvARB)(GLuint index, const GLdouble *v);
+//void (GLAPIENTRY *qglVertexAttrib3fvARB)(GLuint index, const GLfloat *v);
+//void (GLAPIENTRY *qglVertexAttrib3svARB)(GLuint index, const GLshort *v);
+//void (GLAPIENTRY *qglVertexAttrib3dvARB)(GLuint index, const GLdouble *v);
+//void (GLAPIENTRY *qglVertexAttrib4fvARB)(GLuint index, const GLfloat *v);
+//void (GLAPIENTRY *qglVertexAttrib4svARB)(GLuint index, const GLshort *v);
+//void (GLAPIENTRY *qglVertexAttrib4dvARB)(GLuint index, const GLdouble *v);
+//void (GLAPIENTRY *qglVertexAttrib4ivARB)(GLuint index, const GLint *v);
+//void (GLAPIENTRY *qglVertexAttrib4bvARB)(GLuint index, const GLbyte *v);
+//void (GLAPIENTRY *qglVertexAttrib4ubvARB)(GLuint index, const GLubyte *v);
+//void (GLAPIENTRY *qglVertexAttrib4usvARB)(GLuint index, const GLushort *v);
+//void (GLAPIENTRY *qglVertexAttrib4uivARB)(GLuint index, const GLuint *v);
+//void (GLAPIENTRY *qglVertexAttrib4NbvARB)(GLuint index, const GLbyte *v);
+//void (GLAPIENTRY *qglVertexAttrib4NsvARB)(GLuint index, const GLshort *v);
+//void (GLAPIENTRY *qglVertexAttrib4NivARB)(GLuint index, const GLint *v);
+//void (GLAPIENTRY *qglVertexAttrib4NubvARB)(GLuint index, const GLubyte *v);
+//void (GLAPIENTRY *qglVertexAttrib4NusvARB)(GLuint index, const GLushort *v);
+//void (GLAPIENTRY *qglVertexAttrib4NuivARB)(GLuint index, const GLuint *v);
+void (GLAPIENTRY *qglVertexAttribPointerARB)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
+void (GLAPIENTRY *qglEnableVertexAttribArrayARB)(GLuint index);
+void (GLAPIENTRY *qglDisableVertexAttribArrayARB)(GLuint index);
+void (GLAPIENTRY *qglBindAttribLocationARB)(GLhandleARB programObj, GLuint index, const GLcharARB *name);
+void (GLAPIENTRY *qglGetActiveAttribARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
+GLint (GLAPIENTRY *qglGetAttribLocationARB)(GLhandleARB programObj, const GLcharARB *name);
+//void (GLAPIENTRY *qglGetVertexAttribdvARB)(GLuint index, GLenum pname, GLdouble *params);
+//void (GLAPIENTRY *qglGetVertexAttribfvARB)(GLuint index, GLenum pname, GLfloat *params);
+//void (GLAPIENTRY *qglGetVertexAttribivARB)(GLuint index, GLenum pname, GLint *params);
+//void (GLAPIENTRY *qglGetVertexAttribPointervARB)(GLuint index, GLenum pname, GLvoid **pointer);
+
+int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent)
{
- char *name;
- void **funcvariable;
+ int failed = false;
+ const dllfunction_t *func;
+
+ Con_Printf("checking for %s... ", name);
+
+ for (func = funcs;func && func->name;func++)
+ *func->funcvariable = NULL;
+
+ if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
+ {
+ Con_Print("disabled by commandline\n");
+ return false;
+ }
+
+ if (strstr(gl_extensions, name) || strstr(gl_platformextensions, name) || (strncmp(name, "GL_", 3) && strncmp(name, "WGL_", 4) && strncmp(name, "GLX_", 4) && strncmp(name, "AGL_", 4)))
+ {
+ for (func = funcs;func && func->name != NULL;func++)
+ {
+ // functions are cleared before all the extensions are evaluated
+ if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
+ {
+ if (!silent)
+ Con_Printf("OpenGL extension \"%s\" is missing function \"%s\" - broken driver!\n", name, func->name);
+ failed = true;
+ }
+ }
+ // delay the return so it prints all missing functions
+ if (failed)
+ return false;
+ Con_Print("enabled\n");
+ return true;
+ }
+ else
+ {
+ Con_Print("not detected\n");
+ return false;
+ }
}
-gl_extensionfunctionlist_t;
-typedef struct
+static dllfunction_t opengl110funcs[] =
{
- char *name;
- gl_extensionfunctionlist_t *funcs;
- int *enablevariable;
- char *disableparm;
-}
-gl_extensioninfo_t;
+ {"glClearColor", (void **) &qglClearColor},
+ {"glClear", (void **) &qglClear},
+ {"glAlphaFunc", (void **) &qglAlphaFunc},
+ {"glBlendFunc", (void **) &qglBlendFunc},
+ {"glCullFace", (void **) &qglCullFace},
+ {"glDrawBuffer", (void **) &qglDrawBuffer},
+ {"glReadBuffer", (void **) &qglReadBuffer},
+ {"glEnable", (void **) &qglEnable},
+ {"glDisable", (void **) &qglDisable},
+ {"glIsEnabled", (void **) &qglIsEnabled},
+ {"glEnableClientState", (void **) &qglEnableClientState},
+ {"glDisableClientState", (void **) &qglDisableClientState},
+ {"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},
+ {"glColorMask", (void **) &qglColorMask},
+ {"glVertexPointer", (void **) &qglVertexPointer},
+ {"glNormalPointer", (void **) &qglNormalPointer},
+ {"glColorPointer", (void **) &qglColorPointer},
+ {"glTexCoordPointer", (void **) &qglTexCoordPointer},
+ {"glArrayElement", (void **) &qglArrayElement},
+ {"glColor4f", (void **) &qglColor4f},
+ {"glTexCoord1f", (void **) &qglTexCoord1f},
+ {"glTexCoord2f", (void **) &qglTexCoord2f},
+ {"glTexCoord3f", (void **) &qglTexCoord3f},
+ {"glTexCoord4f", (void **) &qglTexCoord4f},
+ {"glVertex2f", (void **) &qglVertex2f},
+ {"glVertex3f", (void **) &qglVertex3f},
+ {"glBegin", (void **) &qglBegin},
+ {"glEnd", (void **) &qglEnd},
+ {"glMatrixMode", (void **) &qglMatrixMode},
+ {"glOrtho", (void **) &qglOrtho},
+ {"glFrustum", (void **) &qglFrustum},
+ {"glViewport", (void **) &qglViewport},
+ {"glPushMatrix", (void **) &qglPushMatrix},
+ {"glPopMatrix", (void **) &qglPopMatrix},
+ {"glLoadIdentity", (void **) &qglLoadIdentity},
+ {"glLoadMatrixd", (void **) &qglLoadMatrixd},
+ {"glLoadMatrixf", (void **) &qglLoadMatrixf},
+ {"glMultMatrixd", (void **) &qglMultMatrixd},
+ {"glMultMatrixf", (void **) &qglMultMatrixf},
+ {"glRotated", (void **) &qglRotated},
+ {"glRotatef", (void **) &qglRotatef},
+ {"glScaled", (void **) &qglScaled},
+ {"glScalef", (void **) &qglScalef},
+ {"glTranslated", (void **) &qglTranslated},
+ {"glTranslatef", (void **) &qglTranslatef},
+ {"glReadPixels", (void **) &qglReadPixels},
+ {"glStencilFunc", (void **) &qglStencilFunc},
+ {"glStencilMask", (void **) &qglStencilMask},
+ {"glStencilOp", (void **) &qglStencilOp},
+ {"glClearStencil", (void **) &qglClearStencil},
+ {"glTexEnvf", (void **) &qglTexEnvf},
+ {"glTexEnvfv", (void **) &qglTexEnvfv},
+ {"glTexEnvi", (void **) &qglTexEnvi},
+ {"glTexParameterf", (void **) &qglTexParameterf},
+ {"glTexParameterfv", (void **) &qglTexParameterfv},
+ {"glTexParameteri", (void **) &qglTexParameteri},
+ {"glPixelStoref", (void **) &qglPixelStoref},
+ {"glPixelStorei", (void **) &qglPixelStorei},
+ {"glGenTextures", (void **) &qglGenTextures},
+ {"glDeleteTextures", (void **) &qglDeleteTextures},
+ {"glBindTexture", (void **) &qglBindTexture},
+// {"glPrioritizeTextures", (void **) &qglPrioritizeTextures},
+// {"glAreTexturesResident", (void **) &qglAreTexturesResident},
+ {"glIsTexture", (void **) &qglIsTexture},
+ {"glTexImage1D", (void **) &qglTexImage1D},
+ {"glTexImage2D", (void **) &qglTexImage2D},
+ {"glTexSubImage1D", (void **) &qglTexSubImage1D},
+ {"glTexSubImage2D", (void **) &qglTexSubImage2D},
+ {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
+ {"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
+ {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
+ {"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
+ {"glScissor", (void **) &qglScissor},
+ {"glPolygonOffset", (void **) &qglPolygonOffset},
+ {NULL, NULL}
+};
-static gl_extensionfunctionlist_t multitexturefuncs[] =
+static dllfunction_t drawrangeelementsfuncs[] =
{
+ {"glDrawRangeElements", (void **) &qglDrawRangeElements},
+ {NULL, NULL}
+};
+
+static dllfunction_t drawrangeelementsextfuncs[] =
+{
+ {"glDrawRangeElementsEXT", (void **) &qglDrawRangeElementsEXT},
+ {NULL, NULL}
+};
+
+static dllfunction_t multitexturefuncs[] =
+{
+ {"glMultiTexCoord1fARB", (void **) &qglMultiTexCoord1f},
{"glMultiTexCoord2fARB", (void **) &qglMultiTexCoord2f},
+ {"glMultiTexCoord3fARB", (void **) &qglMultiTexCoord3f},
+ {"glMultiTexCoord4fARB", (void **) &qglMultiTexCoord4f},
{"glActiveTextureARB", (void **) &qglActiveTexture},
{"glClientActiveTextureARB", (void **) &qglClientActiveTexture},
{NULL, NULL}
};
-static gl_extensionfunctionlist_t compiledvertexarrayfuncs[] =
+static dllfunction_t compiledvertexarrayfuncs[] =
{
{"glLockArraysEXT", (void **) &qglLockArraysEXT},
{"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
{NULL, NULL}
};
-static gl_extensioninfo_t gl_extensioninfo[] =
+static dllfunction_t texture3dextfuncs[] =
{
- {"GL_ARB_multitexture", multitexturefuncs, &gl_mtexable, "-nomtex"},
- {"GL_ARB_texture_env_combine", NULL, &gl_combine_extension, "-nocombine"},
- {"GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, &gl_supportslockarrays, "-nocva"},
- {NULL, NULL, NULL, NULL}
+ {"glTexImage3DEXT", (void **) &qglTexImage3D},
+ {"glTexSubImage3DEXT", (void **) &qglTexSubImage3D},
+ {"glCopyTexSubImage3DEXT", (void **) &qglCopyTexSubImage3D},
+ {NULL, NULL}
+};
+
+static dllfunction_t stenciltwosidefuncs[] =
+{
+ {"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT},
+ {NULL, NULL}
+};
+
+static dllfunction_t shaderobjectsfuncs[] =
+{
+ {"glDeleteObjectARB", (void **) &qglDeleteObjectARB},
+ {"glGetHandleARB", (void **) &qglGetHandleARB},
+ {"glDetachObjectARB", (void **) &qglDetachObjectARB},
+ {"glCreateShaderObjectARB", (void **) &qglCreateShaderObjectARB},
+ {"glShaderSourceARB", (void **) &qglShaderSourceARB},
+ {"glCompileShaderARB", (void **) &qglCompileShaderARB},
+ {"glCreateProgramObjectARB", (void **) &qglCreateProgramObjectARB},
+ {"glAttachObjectARB", (void **) &qglAttachObjectARB},
+ {"glLinkProgramARB", (void **) &qglLinkProgramARB},
+ {"glUseProgramObjectARB", (void **) &qglUseProgramObjectARB},
+ {"glValidateProgramARB", (void **) &qglValidateProgramARB},
+ {"glUniform1fARB", (void **) &qglUniform1fARB},
+ {"glUniform2fARB", (void **) &qglUniform2fARB},
+ {"glUniform3fARB", (void **) &qglUniform3fARB},
+ {"glUniform4fARB", (void **) &qglUniform4fARB},
+ {"glUniform1iARB", (void **) &qglUniform1iARB},
+ {"glUniform2iARB", (void **) &qglUniform2iARB},
+ {"glUniform3iARB", (void **) &qglUniform3iARB},
+ {"glUniform4iARB", (void **) &qglUniform4iARB},
+ {"glUniform1fvARB", (void **) &qglUniform1fvARB},
+ {"glUniform2fvARB", (void **) &qglUniform2fvARB},
+ {"glUniform3fvARB", (void **) &qglUniform3fvARB},
+ {"glUniform4fvARB", (void **) &qglUniform4fvARB},
+ {"glUniform1ivARB", (void **) &qglUniform1ivARB},
+ {"glUniform2ivARB", (void **) &qglUniform2ivARB},
+ {"glUniform3ivARB", (void **) &qglUniform3ivARB},
+ {"glUniform4ivARB", (void **) &qglUniform4ivARB},
+ {"glUniformMatrix2fvARB", (void **) &qglUniformMatrix2fvARB},
+ {"glUniformMatrix3fvARB", (void **) &qglUniformMatrix3fvARB},
+ {"glUniformMatrix4fvARB", (void **) &qglUniformMatrix4fvARB},
+ {"glGetObjectParameterfvARB", (void **) &qglGetObjectParameterfvARB},
+ {"glGetObjectParameterivARB", (void **) &qglGetObjectParameterivARB},
+ {"glGetInfoLogARB", (void **) &qglGetInfoLogARB},
+ {"glGetAttachedObjectsARB", (void **) &qglGetAttachedObjectsARB},
+ {"glGetUniformLocationARB", (void **) &qglGetUniformLocationARB},
+ {"glGetActiveUniformARB", (void **) &qglGetActiveUniformARB},
+ {"glGetUniformfvARB", (void **) &qglGetUniformfvARB},
+ {"glGetUniformivARB", (void **) &qglGetUniformivARB},
+ {"glGetShaderSourceARB", (void **) &qglGetShaderSourceARB},
+ {NULL, NULL}
+};
+
+static dllfunction_t vertexshaderfuncs[] =
+{
+// {"glVertexAttrib1fARB", (void **) &qglVertexAttrib1fARB},
+// {"glVertexAttrib1sARB", (void **) &qglVertexAttrib1sARB},
+// {"glVertexAttrib1dARB", (void **) &qglVertexAttrib1dARB},
+// {"glVertexAttrib2fARB", (void **) &qglVertexAttrib2fARB},
+// {"glVertexAttrib2sARB", (void **) &qglVertexAttrib2sARB},
+// {"glVertexAttrib2dARB", (void **) &qglVertexAttrib2dARB},
+// {"glVertexAttrib3fARB", (void **) &qglVertexAttrib3fARB},
+// {"glVertexAttrib3sARB", (void **) &qglVertexAttrib3sARB},
+// {"glVertexAttrib3dARB", (void **) &qglVertexAttrib3dARB},
+// {"glVertexAttrib4fARB", (void **) &qglVertexAttrib4fARB},
+// {"glVertexAttrib4sARB", (void **) &qglVertexAttrib4sARB},
+// {"glVertexAttrib4dARB", (void **) &qglVertexAttrib4dARB},
+// {"glVertexAttrib4NubARB", (void **) &qglVertexAttrib4NubARB},
+// {"glVertexAttrib1fvARB", (void **) &qglVertexAttrib1fvARB},
+// {"glVertexAttrib1svARB", (void **) &qglVertexAttrib1svARB},
+// {"glVertexAttrib1dvARB", (void **) &qglVertexAttrib1dvARB},
+// {"glVertexAttrib2fvARB", (void **) &qglVertexAttrib1fvARB},
+// {"glVertexAttrib2svARB", (void **) &qglVertexAttrib1svARB},
+// {"glVertexAttrib2dvARB", (void **) &qglVertexAttrib1dvARB},
+// {"glVertexAttrib3fvARB", (void **) &qglVertexAttrib1fvARB},
+// {"glVertexAttrib3svARB", (void **) &qglVertexAttrib1svARB},
+// {"glVertexAttrib3dvARB", (void **) &qglVertexAttrib1dvARB},
+// {"glVertexAttrib4fvARB", (void **) &qglVertexAttrib1fvARB},
+// {"glVertexAttrib4svARB", (void **) &qglVertexAttrib1svARB},
+// {"glVertexAttrib4dvARB", (void **) &qglVertexAttrib1dvARB},
+// {"glVertexAttrib4ivARB", (void **) &qglVertexAttrib1ivARB},
+// {"glVertexAttrib4bvARB", (void **) &qglVertexAttrib1bvARB},
+// {"glVertexAttrib4ubvARB", (void **) &qglVertexAttrib1ubvARB},
+// {"glVertexAttrib4usvARB", (void **) &qglVertexAttrib1usvARB},
+// {"glVertexAttrib4uivARB", (void **) &qglVertexAttrib1uivARB},
+// {"glVertexAttrib4NbvARB", (void **) &qglVertexAttrib1NbvARB},
+// {"glVertexAttrib4NsvARB", (void **) &qglVertexAttrib1NsvARB},
+// {"glVertexAttrib4NivARB", (void **) &qglVertexAttrib1NivARB},
+// {"glVertexAttrib4NubvARB", (void **) &qglVertexAttrib1NubvARB},
+// {"glVertexAttrib4NusvARB", (void **) &qglVertexAttrib1NusvARB},
+// {"glVertexAttrib4NuivARB", (void **) &qglVertexAttrib1NuivARB},
+ {"glVertexAttribPointerARB", (void **) &qglVertexAttribPointerARB},
+ {"glEnableVertexAttribArrayARB", (void **) &qglEnableVertexAttribArrayARB},
+ {"glDisableVertexAttribArrayARB", (void **) &qglDisableVertexAttribArrayARB},
+ {"glBindAttribLocationARB", (void **) &qglBindAttribLocationARB},
+ {"glGetActiveAttribARB", (void **) &qglGetActiveAttribARB},
+ {"glGetAttribLocationARB", (void **) &qglGetAttribLocationARB},
+// {"glGetVertexAttribdvARB", (void **) &qglGetVertexAttribdvARB},
+// {"glGetVertexAttribfvARB", (void **) &qglGetVertexAttribfvARB},
+// {"glGetVertexAttribivARB", (void **) &qglGetVertexAttribivARB},
+// {"glGetVertexAttribPointervARB", (void **) &qglGetVertexAttribPointervARB},
+ {NULL, NULL}
};
-#ifndef WIN32
-#include <dlfcn.h>
-#endif
void VID_CheckExtensions(void)
{
-#ifndef WIN32
- void *prjobj;
-#endif
- gl_extensioninfo_t *info;
- gl_extensionfunctionlist_t *func;
-// multitexturefuncs[0].funcvariable = (void **)&qglMultiTexCoord2f;
- Con_Printf("Checking OpenGL extensions...\n");
-#ifndef WIN32
- if ((prjobj = dlopen(NULL, RTLD_LAZY)) == NULL)
+ gl_stencil = vid_bitsperpixel.integer == 32;
+
+ // reset all the gl extension variables here
+ // this should match the declarations
+ gl_textureunits = 1;
+ gl_combine_extension = false;
+ gl_supportslockarrays = false;
+ gl_texture3d = false;
+ gl_texturecubemap = false;
+ gl_dot3arb = false;
+ gl_support_clamptoedge = false;
+ gl_support_anisotropy = false;
+ gl_max_anisotropy = 1;
+ gl_textureshader = false;
+ gl_support_stenciltwoside = false;
+ gl_support_shader_objects = false;
+ gl_support_shading_language_100 = false;
+ gl_support_vertex_shader = false;
+ gl_support_fragment_shader = false;
+
+ if (!GL_CheckExtension("OpenGL 1.1.0", opengl110funcs, NULL, false))
+ Sys_Error("OpenGL 1.1.0 functions not found\n");
+
+ Con_Printf("GL_VENDOR: %s\n", gl_vendor);
+ Con_Printf("GL_RENDERER: %s\n", gl_renderer);
+ Con_Printf("GL_VERSION: %s\n", gl_version);
+ Con_Printf("GL_EXTENSIONS: %s\n", gl_extensions);
+ Con_Printf("%s_EXTENSIONS: %s\n", gl_platform, gl_platformextensions);
+
+ Con_Print("Checking OpenGL extensions...\n");
+
+// COMMANDLINEOPTION: GL: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster)
+ if (!GL_CheckExtension("glDrawRangeElements", drawrangeelementsfuncs, "-nodrawrangeelements", true))
+ GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
+
+// COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering)
+ if (GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false))
{
- Con_Printf("Unable to open symbol list for main program.\n");
- return;
+ qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, &gl_textureunits);
+// COMMANDLINEOPTION: GL: -nocombine disables GL_ARB_texture_env_combine or GL_EXT_texture_env_combine (required for bumpmapping and faster map rendering)
+ gl_combine_extension = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
+// COMMANDLINEOPTION: GL: -nodot3 disables GL_ARB_texture_env_dot3 (required for bumpmapping)
+ if (gl_combine_extension)
+ gl_dot3arb = GL_CheckExtension("GL_ARB_texture_env_dot3", NULL, "-nodot3", false);
}
-#endif
- for (info = gl_extensioninfo;info && info->name;info++)
+
+// COMMANDLINEOPTION: GL: -notexture3d disables GL_EXT_texture3D (required for spherical lights, otherwise they render as a column)
+ gl_texture3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
+// COMMANDLINEOPTION: GL: -nocubemap disables GL_ARB_texture_cube_map (required for bumpmapping)
+ gl_texturecubemap = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false);
+// COMMANDLINEOPTION: GL: -nocva disables GL_EXT_compiled_vertex_array (renders faster)
+ gl_supportslockarrays = GL_CheckExtension("GL_EXT_compiled_vertex_array", compiledvertexarrayfuncs, "-nocva", false);
+// 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)
+ gl_support_clamptoedge = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
+
+// COMMANDLINEOPTION: GL: -noanisotropy disables GL_EXT_texture_filter_anisotropic (allows higher quality texturing)
+ if ((gl_support_anisotropy = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", false)))
+ qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &gl_max_anisotropy);
+
+// COMMANDLINEOPTION: GL: -notextureshader disables GL_NV_texture_shader (required for the Geforce3 water shader, NVIDIA only)
+ gl_textureshader = GL_CheckExtension("GL_NV_texture_shader", NULL, "-notextureshader", false);
+
+// COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (accelerates shadow rendering)
+ gl_support_stenciltwoside = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
+
+ // we don't care if it's an extension or not, they are identical functions, so keep it simple in the rendering code
+ if (qglDrawRangeElements == NULL)
+ qglDrawRangeElements = qglDrawRangeElementsEXT;
+
+// COMMANDLINEOPTION: GL: -noshaderobjects disables GL_ARB_shader_objects (required for vertex shader and fragment shader)
+// COMMANDLINEOPTION: GL: -noshadinglanguage100 disables GL_ARB_shading_language_100 (required for vertex shader and fragment shader)
+// COMMANDLINEOPTION: GL: -novertexshader disables GL_ARB_vertex_shader (currently unused, allows vertex shader effects)
+// COMMANDLINEOPTION: GL: -nofragmentshader disables GL_ARB_fragment_shader (currently unused, allows pixel shader effects)
+ if ((gl_support_shader_objects = GL_CheckExtension("GL_ARB_shader_objects", shaderobjectsfuncs, "-noshaderobjects", false)))
+ if ((gl_support_shading_language_100 = GL_CheckExtension("GL_ARB_shading_language_100", NULL, "-noshadinglanguage100", false)))
+ if ((gl_support_vertex_shader = GL_CheckExtension("GL_ARB_vertex_shader", vertexshaderfuncs, "-novertexshader", false)))
+ gl_support_fragment_shader = GL_CheckExtension("GL_ARB_fragment_shader", NULL, "-nofragmentshader", false);
+}
+
+qboolean vid_vertexarrays_are_var = false;
+void *VID_AllocVertexArrays(mempool_t *pool, int size, int fast, float readfrequency, float writefrequency, float priority)
+{
+ void *m;
+ vid_vertexarrays_are_var = false;
+ if (fast && qglAllocateMemoryNV)
{
- *info->enablevariable = false;
- for (func = info->funcs;func && func->name;func++)
- *func->funcvariable = NULL;
- Con_Printf("checking for %s... ", info->name);
- if (info->disableparm && COM_CheckParm(info->disableparm))
+ CHECKGLERROR
+ m = qglAllocateMemoryNV(size, readfrequency, writefrequency, priority);
+ CHECKGLERROR
+ if (m)
{
- Con_Printf("disabled by commandline\n");
- continue;
+ vid_vertexarrays_are_var = true;
+ return m;
}
- if (strstr(gl_extensions, info->name))
+ }
+ return Mem_Alloc(pool, size);
+}
+
+void VID_FreeVertexArrays(void *pointer)
+{
+ if (vid_vertexarrays_are_var)
+ {
+ CHECKGLERROR
+ qglFreeMemoryNV(pointer);
+ CHECKGLERROR
+ }
+ else
+ Mem_Free(pointer);
+ vid_vertexarrays_are_var = false;
+}
+
+void Force_CenterView_f (void)
+{
+ cl.viewangles[PITCH] = 0;
+}
+
+static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3];
+static int cachecolorenable, cachehwgamma;
+#define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
+void VID_UpdateGamma(qboolean force)
+{
+ cvar_t *c;
+ float f;
+ static int forcenextframe = false;
+
+ // LordHavoc: don't mess with gamma tables if running dedicated
+ if (cls.state == ca_dedicated)
+ return;
+
+ if (!force
+ && !forcenextframe
+ && !v_psycho.integer
+ && vid_usinghwgamma == (vid_activewindow && v_hwgamma.integer)
+ && v_gamma.value == cachegamma
+ && v_contrast.value == cachecontrast
+ && v_brightness.value == cachebrightness
+ && cachecolorenable == v_color_enable.integer
+ && cacheblack[0] == v_color_black_r.value
+ && cacheblack[1] == v_color_black_g.value
+ && cacheblack[2] == v_color_black_b.value
+ && cachegrey[0] == v_color_grey_r.value
+ && cachegrey[1] == v_color_grey_g.value
+ && cachegrey[2] == v_color_grey_b.value
+ && cachewhite[0] == v_color_white_r.value
+ && cachewhite[1] == v_color_white_g.value
+ && cachewhite[2] == v_color_white_b.value)
+ return;
+
+ forcenextframe = false;
+
+ if (vid_activewindow && v_hwgamma.integer)
+ {
+ if (!vid_usinghwgamma)
+ {
+ vid_usinghwgamma = true;
+ Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_GetGamma(vid_systemgammaramps));
+ }
+
+ BOUNDCVAR(v_gamma, 0.1, 5);cachegamma = v_gamma.value;
+ BOUNDCVAR(v_contrast, 1, 5);cachecontrast = v_contrast.value;
+ BOUNDCVAR(v_brightness, 0, 0.8);cachebrightness = v_brightness.value;
+ BOUNDCVAR(v_color_black_r, 0, 0.8);cacheblack[0] = v_color_black_r.value;
+ BOUNDCVAR(v_color_black_g, 0, 0.8);cacheblack[1] = v_color_black_g.value;
+ BOUNDCVAR(v_color_black_b, 0, 0.8);cacheblack[2] = v_color_black_b.value;
+ BOUNDCVAR(v_color_grey_r, 0, 0.95);cachegrey[0] = v_color_grey_r.value;
+ BOUNDCVAR(v_color_grey_g, 0, 0.95);cachegrey[1] = v_color_grey_g.value;
+ BOUNDCVAR(v_color_grey_b, 0, 0.95);cachegrey[2] = v_color_grey_b.value;
+ BOUNDCVAR(v_color_white_r, 1, 5);cachewhite[0] = v_color_white_r.value;
+ BOUNDCVAR(v_color_white_g, 1, 5);cachewhite[1] = v_color_white_g.value;
+ BOUNDCVAR(v_color_white_b, 1, 5);cachewhite[2] = v_color_white_b.value;
+ cachecolorenable = v_color_enable.integer;
+ cachehwgamma = v_hwgamma.integer;
+
+ if (cachecolorenable)
+ {
+ BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], vid_gammaramps);
+ BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], vid_gammaramps + 256);
+ BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], vid_gammaramps + 512);
+ }
+ else
{
- for (func = info->funcs;func && func->name != NULL;func++)
+ BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps);
+ BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 256);
+ BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, vid_gammaramps + 512);
+ }
+
+ // LordHavoc: this code came from Ben Winslow and Zinx Verituse, I have
+ // immensely butchered it to work with variable framerates and fit in with
+ // the rest of darkplaces.
+ if (v_psycho.integer)
+ {
+ int x, y;
+ float t;
+ static float n[3], nd[3], nt[3];
+ static int init = true;
+ unsigned short *ramp;
+ forcenextframe = true;
+ if (init)
+ {
+ init = false;
+ for (x = 0;x < 3;x++)
+ {
+ n[x] = lhrandom(0, 1);
+ nd[x] = (rand()&1)?-0.25:0.25;
+ nt[x] = lhrandom(1, 8.2);
+ }
+ }
+
+ for (x = 0;x < 3;x++)
{
-#ifdef WIN32
- if (!(*func->funcvariable = (void *) wglGetProcAddress(func->name)))
-#else
- if (!(*func->funcvariable = (void *) dlsym(prjobj, func->name)))
-#endif
+ nt[x] -= host_realframetime;
+ if (nt[x] < 0)
{
- Con_Printf("missing function \"%s\"!\n", func->name);
- goto missingfunc;
+ nd[x] = -nd[x];
+ nt[x] += lhrandom(1, 8.2);
}
+ n[x] += nd[x] * host_realframetime;
+ n[x] -= floor(n[x]);
}
- Con_Printf("enabled\n");
- *info->enablevariable = true;
- missingfunc:;
+
+ for (x = 0, ramp = vid_gammaramps;x < 3;x++)
+ for (y = 0, t = n[x] - 0.75f;y < 256;y++, t += 0.75f * (2.0f / 256.0f))
+ *ramp++ = cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f;
+ }
+
+ Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps));
+ // if custom gamma ramps failed (Windows stupidity), restore to system gamma
+ if(!vid_hardwaregammasupported.integer)
+ VID_SetGamma(vid_systemgammaramps);
+ }
+ else
+ {
+ if (vid_usinghwgamma)
+ {
+ vid_usinghwgamma = false;
+ Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps));
}
- else
- Con_Printf("not detected\n");
}
-#ifndef WIN32
- dlclose(prjobj);
-#endif
}
-void Force_CenterView_f (void)
+void VID_RestoreSystemGamma(void)
{
- cl.viewangles[PITCH] = 0;
+ if (vid_usinghwgamma)
+ {
+ vid_usinghwgamma = false;
+ VID_SetGamma(vid_systemgammaramps);
+ }
}
-void VID_InitCvars(void)
+void VID_Shared_Init(void)
{
- Cvar_RegisterVariable(&vid_mode);
- Cvar_RegisterVariable(&vid_mouse);
+ Cvar_RegisterVariable(&vid_hardwaregammasupported);
+ Cvar_RegisterVariable(&v_gamma);
+ Cvar_RegisterVariable(&v_brightness);
+ Cvar_RegisterVariable(&v_contrast);
+
+ Cvar_RegisterVariable(&v_color_enable);
+ Cvar_RegisterVariable(&v_color_black_r);
+ Cvar_RegisterVariable(&v_color_black_g);
+ Cvar_RegisterVariable(&v_color_black_b);
+ Cvar_RegisterVariable(&v_color_grey_r);
+ Cvar_RegisterVariable(&v_color_grey_g);
+ Cvar_RegisterVariable(&v_color_grey_b);
+ Cvar_RegisterVariable(&v_color_white_r);
+ Cvar_RegisterVariable(&v_color_white_g);
+ Cvar_RegisterVariable(&v_color_white_b);
+
+ Cvar_RegisterVariable(&v_hwgamma);
+
+ Cvar_RegisterVariable(&v_psycho);
+
Cvar_RegisterVariable(&vid_fullscreen);
+ Cvar_RegisterVariable(&vid_width);
+ Cvar_RegisterVariable(&vid_height);
+ Cvar_RegisterVariable(&vid_bitsperpixel);
+ Cvar_RegisterVariable(&vid_vsync);
+ Cvar_RegisterVariable(&vid_mouse);
Cvar_RegisterVariable(&gl_combine);
+ Cvar_RegisterVariable(&gl_finish);
Cmd_AddCommand("force_centerview", Force_CenterView_f);
+ Cmd_AddCommand("vid_restart", VID_Restart_f);
+ if (gamemode == GAME_GOODVSBAD2)
+ Cvar_Set("gl_combine", "0");
}
+
+int VID_Mode(int fullscreen, int width, int height, int bpp)
+{
+ Con_Printf("Video: %s %dx%dx%d\n", fullscreen ? "fullscreen" : "window", width, height, bpp);
+ if (VID_InitMode(fullscreen, width, height, bpp))
+ {
+ vid.fullscreen = fullscreen;
+ vid.width = width;
+ vid.height = height;
+ vid.bitsperpixel = bpp;
+ Cvar_SetValueQuick(&vid_fullscreen, fullscreen);
+ Cvar_SetValueQuick(&vid_width, width);
+ Cvar_SetValueQuick(&vid_height, height);
+ Cvar_SetValueQuick(&vid_bitsperpixel, bpp);
+ return true;
+ }
+ else
+ return false;
+}
+
+static void VID_OpenSystems(void)
+{
+ R_Modules_Start();
+ S_Startup();
+}
+
+static void VID_CloseSystems(void)
+{
+ S_Shutdown();
+ R_Modules_Shutdown();
+}
+
+qboolean vid_commandlinecheck = true;
+
+void VID_Restart_f(void)
+{
+ // don't crash if video hasn't started yet
+ if (vid_commandlinecheck)
+ return;
+
+ Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp, to %s %dx%dx%dbpp.\n",
+ vid.fullscreen ? "fullscreen" : "window", vid.width, vid.height, vid.bitsperpixel,
+ vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer);
+ VID_CloseSystems();
+ VID_Shutdown();
+ if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer))
+ {
+ Con_Print("Video mode change failed\n");
+ if (!VID_Mode(vid.fullscreen, vid.width, vid.height, vid.bitsperpixel))
+ Sys_Error("Unable to restore to last working video mode\n");
+ }
+ VID_OpenSystems();
+}
+
+// this is only called once by Host_StartVideo
+void VID_Start(void)
+{
+ int i, width, height, success;
+ if (vid_commandlinecheck)
+ {
+ // interpret command-line parameters
+ vid_commandlinecheck = false;
+// COMMANDLINEOPTION: Video: -window performs +vid_fullscreen 0
+ if (COM_CheckParm("-window") || COM_CheckParm("-safe"))
+ Cvar_SetValueQuick(&vid_fullscreen, false);
+// COMMANDLINEOPTION: Video: -fullscreen performs +vid_fullscreen 1
+ if (COM_CheckParm("-fullscreen"))
+ Cvar_SetValueQuick(&vid_fullscreen, true);
+ width = 0;
+ height = 0;
+// COMMANDLINEOPTION: Video: -width <pixels> performs +vid_width <pixels> and also +vid_height <pixels*3/4> if only -width is specified (example: -width 1024 sets 1024x768 mode)
+ if ((i = COM_CheckParm("-width")) != 0)
+ width = atoi(com_argv[i+1]);
+// COMMANDLINEOPTION: Video: -height <pixels> performs +vid_height <pixels> and also +vid_width <pixels*4/3> if only -height is specified (example: -height 768 sets 1024x768 mode)
+ if ((i = COM_CheckParm("-height")) != 0)
+ height = atoi(com_argv[i+1]);
+ if (width == 0)
+ width = height * 4 / 3;
+ if (height == 0)
+ height = width * 3 / 4;
+ if (width)
+ Cvar_SetValueQuick(&vid_width, width);
+ if (height)
+ Cvar_SetValueQuick(&vid_height, height);
+// COMMANDLINEOPTION: Video: -bpp <bits> performs +vid_bitsperpixel <bits> (example -bpp 32 or -bpp 16)
+ if ((i = COM_CheckParm("-bpp")) != 0)
+ Cvar_SetQuick(&vid_bitsperpixel, com_argv[i+1]);
+ }
+
+ Con_Print("Starting video system\n");
+ success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer);
+ if (!success)
+ {
+ Con_Print("Desired video mode fail, trying fallbacks...\n");
+ if (!success && vid_bitsperpixel.integer > 16)
+ success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, 16);
+ if (!success && (vid_width.integer > 640 || vid_height.integer > 480))
+ success = VID_Mode(vid_fullscreen.integer, 640, 480, 16);
+ if (!success && vid_fullscreen.integer)
+ success = VID_Mode(false, 640, 480, 16);
+ if (!success)
+ Sys_Error("Video modes failed\n");
+ }
+ VID_OpenSystems();
+}
+