#include "quakedef.h"
#include "cdaudio.h"
+#ifdef SUPPORTCG
+#include <Cg/cgGL.h>
+#endif
+
+#ifdef SUPPORTD3D
+#include <d3d9.h>
+#ifdef _MSC_VER
+#pragma comment(lib, "d3d9.lib")
+#endif
+
+LPDIRECT3DDEVICE9 vid_d3d9dev;
+#endif
+
// global video state
viddef_t vid;
// 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;
-// 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;
+float in_windowmouse_x, in_windowmouse_y;
// LordHavoc: if window is hidden, don't update screen
qboolean vid_hidden = true;
qboolean vid_activewindow = true;
// we don't know until we try it!
-cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1"};
+cvar_t vid_hardwaregammasupported = {CVAR_READONLY,"vid_hardwaregammasupported","1", "indicates whether hardware gamma is supported (updated by attempts to set hardware gamma ramps)"};
+
+// VorteX: more info cvars, mostly set in VID_CheckExtensions
+cvar_t gl_info_vendor = {CVAR_READONLY, "gl_info_vendor", "", "indicates brand of graphics chip"};
+cvar_t gl_info_renderer = {CVAR_READONLY, "gl_info_renderer", "", "indicates graphics chip model and other information"};
+cvar_t gl_info_version = {CVAR_READONLY, "gl_info_version", "", "indicates version of current renderer. begins with 1.0.0, 1.1.0, 1.2.0, 1.3.1 etc."};
+cvar_t gl_info_extensions = {CVAR_READONLY, "gl_info_extensions", "", "indicates extension list found by engine, space separated."};
+cvar_t gl_info_platform = {CVAR_READONLY, "gl_info_platform", "", "indicates GL platform: WGL, GLX, or AGL."};
+cvar_t gl_info_driver = {CVAR_READONLY, "gl_info_driver", "", "name of driver library (opengl32.dll, libGL.so.1, or whatever)."};
+
// 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 gl_combine = {CVAR_SAVE, "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"};
+int vid_gammarampsize = 0;
+unsigned short *vid_gammaramps = NULL;
+unsigned short *vid_systemgammaramps = NULL;
+
+cvar_t vid_fullscreen = {CVAR_SAVE, "vid_fullscreen", "1", "use fullscreen (1) or windowed (0)"};
+cvar_t vid_width = {CVAR_SAVE, "vid_width", "640", "resolution"};
+cvar_t vid_height = {CVAR_SAVE, "vid_height", "480", "resolution"};
+cvar_t vid_bitsperpixel = {CVAR_SAVE, "vid_bitsperpixel", "32", "how many bits per pixel to render at (32 or 16, 32 is recommended)"};
+cvar_t vid_samples = {CVAR_SAVE, "vid_samples", "1", "how many anti-aliasing samples per pixel to request from the graphics driver (4 is recommended, 1 is faster)"};
+cvar_t vid_refreshrate = {CVAR_SAVE, "vid_refreshrate", "60", "refresh rate to use, in hz (higher values flicker less, if supported by your monitor)"};
+cvar_t vid_userefreshrate = {CVAR_SAVE, "vid_userefreshrate", "0", "set this to 1 to make vid_refreshrate used, or to 0 to let the engine choose a sane default"};
+cvar_t vid_stereobuffer = {CVAR_SAVE, "vid_stereobuffer", "0", "enables 'quad-buffered' stereo rendering for stereo shutterglasses, HMD (head mounted display) devices, or polarized stereo LCDs, if supported by your drivers"};
+
+cvar_t vid_vsync = {CVAR_SAVE, "vid_vsync", "0", "sync to vertical blank, prevents 'tearing' (seeing part of one frame and part of another on the screen at the same time), automatically disabled when doing timedemo benchmarks"};
+cvar_t vid_mouse = {CVAR_SAVE, "vid_mouse", "1", "whether to use the mouse in windowed mode (fullscreen always does)"};
+cvar_t vid_grabkeyboard = {CVAR_SAVE, "vid_grabkeyboard", "0", "whether to grab the keyboard when mouse is active (prevents use of volume control keys, music player keys, etc on some keyboards)"};
+cvar_t vid_minwidth = {0, "vid_minwidth", "0", "minimum vid_width that is acceptable (to be set in default.cfg in mods)"};
+cvar_t vid_minheight = {0, "vid_minheight", "0", "minimum vid_height that is acceptable (to be set in default.cfg in mods)"};
+cvar_t vid_gl13 = {0, "vid_gl13", "1", "enables faster rendering using OpenGL 1.3 features (such as GL_ARB_texture_env_combine extension)"};
+cvar_t vid_gl20 = {0, "vid_gl20", "1", "enables faster rendering using OpenGL 2.0 features (such as GL_ARB_fragment_shader extension)"};
+#ifdef SUPPORTCG
+cvar_t vid_cggl = {0, "vid_glcg", "1", "enables faster rendering using the Cg shader library"};
+#endif
+cvar_t gl_finish = {0, "gl_finish", "0", "make the cpu wait for the graphics processor at the end of each rendered frame (can help with strange input or video lag problems on some machines)"};
+
+cvar_t vid_stick_mouse = {CVAR_SAVE, "vid_stick_mouse", "0", "have the mouse stuck in the center of the screen" };
+cvar_t vid_resizable = {CVAR_SAVE, "vid_resizable", "0", "0: window not resizable, 1: resizable, 2: window can be resized but the framebuffer isn't adjusted" };
+
+cvar_t v_gamma = {CVAR_SAVE, "v_gamma", "1", "inverse gamma correction value, a brightness effect that does not affect white or black, and tends to make the image grey and dull"};
+cvar_t v_contrast = {CVAR_SAVE, "v_contrast", "1", "brightness of white (values above 1 give a brighter image with increased color saturation, unlike v_gamma)"};
+cvar_t v_brightness = {CVAR_SAVE, "v_brightness", "0", "brightness of black, useful for monitors that are too dark"};
+cvar_t v_contrastboost = {CVAR_SAVE, "v_contrastboost", "1", "by how much to multiply the contrast in dark areas (1 is no change)"};
+cvar_t v_color_enable = {CVAR_SAVE, "v_color_enable", "0", "enables black-grey-white color correction curve controls"};
+cvar_t v_color_black_r = {CVAR_SAVE, "v_color_black_r", "0", "desired color of black"};
+cvar_t v_color_black_g = {CVAR_SAVE, "v_color_black_g", "0", "desired color of black"};
+cvar_t v_color_black_b = {CVAR_SAVE, "v_color_black_b", "0", "desired color of black"};
+cvar_t v_color_grey_r = {CVAR_SAVE, "v_color_grey_r", "0.5", "desired color of grey"};
+cvar_t v_color_grey_g = {CVAR_SAVE, "v_color_grey_g", "0.5", "desired color of grey"};
+cvar_t v_color_grey_b = {CVAR_SAVE, "v_color_grey_b", "0.5", "desired color of grey"};
+cvar_t v_color_white_r = {CVAR_SAVE, "v_color_white_r", "1", "desired color of white"};
+cvar_t v_color_white_g = {CVAR_SAVE, "v_color_white_g", "1", "desired color of white"};
+cvar_t v_color_white_b = {CVAR_SAVE, "v_color_white_b", "1", "desired color of white"};
+cvar_t v_hwgamma = {CVAR_SAVE, "v_hwgamma", "1", "enables use of hardware gamma correction ramps if available (note: does not work very well on Windows2000 and above), values are 0 = off, 1 = attempt to use hardware gamma, 2 = use hardware gamma whether it works or not"};
+cvar_t v_glslgamma = {CVAR_SAVE, "v_glslgamma", "0", "enables use of GLSL to apply gamma correction ramps if available (note: overrides v_hwgamma)"};
+cvar_t v_psycho = {0, "v_psycho", "0", "easter egg (does not work on Windows2000 or above)"};
// brand of graphics chip
const char *gl_vendor;
void (GLAPIENTRY *qglActiveTexture) (GLenum);
void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
-// GL_EXT_compiled_vertex_array
-void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
-void (GLAPIENTRY *qglUnlockArraysEXT) (void);
-
-//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 *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 *qglDrawArrays)(GLenum mode, GLint first, GLsizei count);
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 *qglColor4ub)(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha);
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 *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 *qglVertex4f)(GLfloat x, GLfloat y, GLfloat z, GLfloat w);
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 *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 *qglPushMatrix)(void);
+//void (GLAPIENTRY *qglPopMatrix)(void);
void (GLAPIENTRY *qglLoadIdentity)(void);
-void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
+//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 *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 *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 *qglGetTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
+void (GLAPIENTRY *qglGetTexParameteriv)(GLenum target, GLenum pname, GLint *params);
+void (GLAPIENTRY *qglGetTexLevelParameterfv)(GLenum target, GLint level, GLenum pname, GLfloat *params);
+void (GLAPIENTRY *qglGetTexLevelParameteriv)(GLenum target, GLint level, GLenum pname, GLint *params);
+void (GLAPIENTRY *qglGetTexImage)(GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels);
+void (GLAPIENTRY *qglHint)(GLenum target, GLenum mode);
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);
+//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 *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 *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 *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 *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 *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
+void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
+void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
+
+//void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation);
+//void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation);
+
+//[515]: added on 29.07.2005
+void (GLAPIENTRY *qglLineWidth)(GLfloat width);
+void (GLAPIENTRY *qglPointSize)(GLfloat size);
+void (GLAPIENTRY *qglBlendEquationEXT)(GLenum);
+
+void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
+void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
void (GLAPIENTRY *qglDeleteObjectARB)(GLhandleARB obj);
//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)
+//GL_ARB_vertex_buffer_object
+void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
+void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
+void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
+GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
+GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
+GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
+void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
+void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
+
+//GL_EXT_framebuffer_object
+GLboolean (GLAPIENTRY *qglIsRenderbufferEXT)(GLuint renderbuffer);
+void (GLAPIENTRY *qglBindRenderbufferEXT)(GLenum target, GLuint renderbuffer);
+void (GLAPIENTRY *qglDeleteRenderbuffersEXT)(GLsizei n, const GLuint *renderbuffers);
+void (GLAPIENTRY *qglGenRenderbuffersEXT)(GLsizei n, GLuint *renderbuffers);
+void (GLAPIENTRY *qglRenderbufferStorageEXT)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
+void (GLAPIENTRY *qglGetRenderbufferParameterivEXT)(GLenum target, GLenum pname, GLint *params);
+GLboolean (GLAPIENTRY *qglIsFramebufferEXT)(GLuint framebuffer);
+void (GLAPIENTRY *qglBindFramebufferEXT)(GLenum target, GLuint framebuffer);
+void (GLAPIENTRY *qglDeleteFramebuffersEXT)(GLsizei n, const GLuint *framebuffers);
+void (GLAPIENTRY *qglGenFramebuffersEXT)(GLsizei n, GLuint *framebuffers);
+GLenum (GLAPIENTRY *qglCheckFramebufferStatusEXT)(GLenum target);
+//void (GLAPIENTRY *qglFramebufferTexture1DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+void (GLAPIENTRY *qglFramebufferTexture2DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+void (GLAPIENTRY *qglFramebufferTexture3DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
+void (GLAPIENTRY *qglFramebufferRenderbufferEXT)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
+void (GLAPIENTRY *qglGetFramebufferAttachmentParameterivEXT)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
+void (GLAPIENTRY *qglGenerateMipmapEXT)(GLenum target);
+
+void (GLAPIENTRY *qglDrawBuffersARB)(GLsizei n, const GLenum *bufs);
+
+void (GLAPIENTRY *qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data);
+void (GLAPIENTRY *qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const void *data);
+//void (GLAPIENTRY *qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data);
+void (GLAPIENTRY *qglCompressedTexSubImage3DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *data);
+void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
+//void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data);
+void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img);
+
+void (GLAPIENTRY *qglGenQueriesARB)(GLsizei n, GLuint *ids);
+void (GLAPIENTRY *qglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
+GLboolean (GLAPIENTRY *qglIsQueryARB)(GLuint qid);
+void (GLAPIENTRY *qglBeginQueryARB)(GLenum target, GLuint qid);
+void (GLAPIENTRY *qglEndQueryARB)(GLenum target);
+void (GLAPIENTRY *qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
+void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *params);
+void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params);
+
+#if _MSC_VER >= 1400
+#define sscanf sscanf_s
+#endif
+
+qboolean GL_CheckExtension(const char *minglver_or_ext, const dllfunction_t *funcs, const char *disableparm, int silent)
{
int failed = false;
const dllfunction_t *func;
+ struct { int major, minor; } min_version, curr_version;
+ char extstr[MAX_INPUTLINE];
+ int ext;
+
+ 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
- Con_Printf("checking for %s... ", name);
+ if (ext)
+ Con_DPrintf("checking for %s... ", minglver_or_ext);
+ else
+ Con_DPrintf("checking for OpenGL %s core features... ", minglver_or_ext);
for (func = funcs;func && func->name;func++)
*func->funcvariable = NULL;
if (disableparm && (COM_CheckParm(disableparm) || COM_CheckParm("-safe")))
{
- Con_Print("disabled by commandline\n");
+ Con_DPrint("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)))
+ if (ext == 1) // opengl extension
{
- for (func = funcs;func && func->name != NULL;func++)
+ if (!strstr(gl_extensions ? gl_extensions : "", minglver_or_ext) && !strstr(gl_platformextensions ? gl_platformextensions : "", minglver_or_ext))
{
- // 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;
- }
+ Con_DPrint("not detected\n");
+ return false;
}
- // delay the return so it prints all missing functions
- if (failed)
+ }
+
+ if(ext == 0) // opengl version
+ {
+ 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_Print("enabled\n");
- return true;
+ }
}
- else
+
+ for (func = funcs;func && func->name != NULL;func++)
{
- Con_Print("not detected\n");
- return false;
+ // Con_DPrintf("\n %s... ", func->name);
+
+ // functions are cleared before all the extensions are evaluated
+ if (!(*func->funcvariable = (void *) GL_GetProcAddress(func->name)))
+ {
+ 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);
+ failed = true;
+ }
}
+ // delay the return so it prints all missing functions
+ if (failed)
+ return false;
+ // VorteX: add to found extension list
+ dpsnprintf(extstr, sizeof(extstr), "%s %s ", gl_info_extensions.string, minglver_or_ext);
+ Cvar_SetQuick(&gl_info_extensions, extstr);
+
+ Con_DPrint("enabled\n");
+ return true;
}
static dllfunction_t opengl110funcs[] =
{"glDepthMask", (void **) &qglDepthMask},
{"glDepthRange", (void **) &qglDepthRange},
{"glDrawElements", (void **) &qglDrawElements},
+ {"glDrawArrays", (void **) &qglDrawArrays},
{"glColorMask", (void **) &qglColorMask},
{"glVertexPointer", (void **) &qglVertexPointer},
{"glNormalPointer", (void **) &qglNormalPointer},
{"glColorPointer", (void **) &qglColorPointer},
{"glTexCoordPointer", (void **) &qglTexCoordPointer},
{"glArrayElement", (void **) &qglArrayElement},
+ {"glColor4ub", (void **) &qglColor4ub},
{"glColor4f", (void **) &qglColor4f},
{"glTexCoord1f", (void **) &qglTexCoord1f},
{"glTexCoord2f", (void **) &qglTexCoord2f},
{"glTexCoord4f", (void **) &qglTexCoord4f},
{"glVertex2f", (void **) &qglVertex2f},
{"glVertex3f", (void **) &qglVertex3f},
+ {"glVertex4f", (void **) &qglVertex4f},
{"glBegin", (void **) &qglBegin},
{"glEnd", (void **) &qglEnd},
+//[515]: added on 29.07.2005
+ {"glLineWidth", (void**) &qglLineWidth},
+ {"glPointSize", (void**) &qglPointSize},
+//
{"glMatrixMode", (void **) &qglMatrixMode},
- {"glOrtho", (void **) &qglOrtho},
- {"glFrustum", (void **) &qglFrustum},
+// {"glOrtho", (void **) &qglOrtho},
+// {"glFrustum", (void **) &qglFrustum},
{"glViewport", (void **) &qglViewport},
- {"glPushMatrix", (void **) &qglPushMatrix},
- {"glPopMatrix", (void **) &qglPopMatrix},
+// {"glPushMatrix", (void **) &qglPushMatrix},
+// {"glPopMatrix", (void **) &qglPopMatrix},
{"glLoadIdentity", (void **) &qglLoadIdentity},
- {"glLoadMatrixd", (void **) &qglLoadMatrixd},
+// {"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},
+// {"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},
{"glTexParameterf", (void **) &qglTexParameterf},
{"glTexParameterfv", (void **) &qglTexParameterfv},
{"glTexParameteri", (void **) &qglTexParameteri},
- {"glPixelStoref", (void **) &qglPixelStoref},
+ {"glGetTexImage", (void **) &qglGetTexImage},
+ {"glGetTexParameterfv", (void **) &qglGetTexParameterfv},
+ {"glGetTexParameteriv", (void **) &qglGetTexParameteriv},
+ {"glGetTexLevelParameterfv", (void **) &qglGetTexLevelParameterfv},
+ {"glGetTexLevelParameteriv", (void **) &qglGetTexLevelParameteriv},
+ {"glHint", (void **) &qglHint},
+// {"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},
+// {"glIsTexture", (void **) &qglIsTexture},
+// {"glTexImage1D", (void **) &qglTexImage1D},
{"glTexImage2D", (void **) &qglTexImage2D},
- {"glTexSubImage1D", (void **) &qglTexSubImage1D},
+// {"glTexSubImage1D", (void **) &qglTexSubImage1D},
{"glTexSubImage2D", (void **) &qglTexSubImage2D},
- {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
+// {"glCopyTexImage1D", (void **) &qglCopyTexImage1D},
{"glCopyTexImage2D", (void **) &qglCopyTexImage2D},
- {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
+// {"glCopyTexSubImage1D", (void **) &qglCopyTexSubImage1D},
{"glCopyTexSubImage2D", (void **) &qglCopyTexSubImage2D},
{"glScissor", (void **) &qglScissor},
{"glPolygonOffset", (void **) &qglPolygonOffset},
+ {"glPolygonMode", (void **) &qglPolygonMode},
+ {"glPolygonStipple", (void **) &qglPolygonStipple},
+// {"glClipPlane", (void **) &qglClipPlane},
+// {"glGetClipPlane", (void **) &qglGetClipPlane},
{NULL, NULL}
};
{NULL, NULL}
};
-static dllfunction_t compiledvertexarrayfuncs[] =
-{
- {"glLockArraysEXT", (void **) &qglLockArraysEXT},
- {"glUnlockArraysEXT", (void **) &qglUnlockArraysEXT},
- {NULL, NULL}
-};
-
static dllfunction_t texture3dextfuncs[] =
{
{"glTexImage3DEXT", (void **) &qglTexImage3D},
{NULL, NULL}
};
+static dllfunction_t atiseparatestencilfuncs[] =
+{
+ {"glStencilOpSeparateATI", (void **) &qglStencilOpSeparate},
+ {"glStencilFuncSeparateATI", (void **) &qglStencilFuncSeparate},
+ {NULL, NULL}
+};
+
+static dllfunction_t gl2separatestencilfuncs[] =
+{
+ {"glStencilOpSeparate", (void **) &qglStencilOpSeparate},
+ {"glStencilFuncSeparate", (void **) &qglStencilFuncSeparate},
+ {NULL, NULL}
+};
+
static dllfunction_t stenciltwosidefuncs[] =
{
{"glActiveStencilFaceEXT", (void **) &qglActiveStencilFaceEXT},
{NULL, NULL}
};
+static dllfunction_t blendequationfuncs[] =
+{
+ {"glBlendEquationEXT", (void **) &qglBlendEquationEXT},
+ {NULL, NULL}
+};
+
static dllfunction_t shaderobjectsfuncs[] =
{
{"glDeleteObjectARB", (void **) &qglDeleteObjectARB},
{NULL, NULL}
};
-
-void VID_CheckExtensions(void)
+static dllfunction_t vbofuncs[] =
{
- 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");
+ {"glBindBufferARB" , (void **) &qglBindBufferARB},
+ {"glDeleteBuffersARB" , (void **) &qglDeleteBuffersARB},
+ {"glGenBuffersARB" , (void **) &qglGenBuffersARB},
+ {"glIsBufferARB" , (void **) &qglIsBufferARB},
+ {"glMapBufferARB" , (void **) &qglMapBufferARB},
+ {"glUnmapBufferARB" , (void **) &qglUnmapBufferARB},
+ {"glBufferDataARB" , (void **) &qglBufferDataARB},
+ {"glBufferSubDataARB" , (void **) &qglBufferSubDataARB},
+ {NULL, NULL}
+};
-// 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);
+static dllfunction_t fbofuncs[] =
+{
+ {"glIsRenderbufferEXT" , (void **) &qglIsRenderbufferEXT},
+ {"glBindRenderbufferEXT" , (void **) &qglBindRenderbufferEXT},
+ {"glDeleteRenderbuffersEXT" , (void **) &qglDeleteRenderbuffersEXT},
+ {"glGenRenderbuffersEXT" , (void **) &qglGenRenderbuffersEXT},
+ {"glRenderbufferStorageEXT" , (void **) &qglRenderbufferStorageEXT},
+ {"glGetRenderbufferParameterivEXT" , (void **) &qglGetRenderbufferParameterivEXT},
+ {"glIsFramebufferEXT" , (void **) &qglIsFramebufferEXT},
+ {"glBindFramebufferEXT" , (void **) &qglBindFramebufferEXT},
+ {"glDeleteFramebuffersEXT" , (void **) &qglDeleteFramebuffersEXT},
+ {"glGenFramebuffersEXT" , (void **) &qglGenFramebuffersEXT},
+ {"glCheckFramebufferStatusEXT" , (void **) &qglCheckFramebufferStatusEXT},
+// {"glFramebufferTexture1DEXT" , (void **) &qglFramebufferTexture1DEXT},
+ {"glFramebufferTexture2DEXT" , (void **) &qglFramebufferTexture2DEXT},
+ {"glFramebufferTexture3DEXT" , (void **) &qglFramebufferTexture3DEXT},
+ {"glFramebufferRenderbufferEXT" , (void **) &qglFramebufferRenderbufferEXT},
+ {"glGetFramebufferAttachmentParameterivEXT" , (void **) &qglGetFramebufferAttachmentParameterivEXT},
+ {"glGenerateMipmapEXT" , (void **) &qglGenerateMipmapEXT},
+ {NULL, NULL}
+};
-// COMMANDLINEOPTION: GL: -nomtex disables GL_ARB_multitexture (required for faster map rendering)
- if (GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false))
- {
- 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);
- }
+static dllfunction_t texturecompressionfuncs[] =
+{
+ {"glCompressedTexImage3DARB", (void **) &qglCompressedTexImage3DARB},
+ {"glCompressedTexImage2DARB", (void **) &qglCompressedTexImage2DARB},
+// {"glCompressedTexImage1DARB", (void **) &qglCompressedTexImage1DARB},
+ {"glCompressedTexSubImage3DARB", (void **) &qglCompressedTexSubImage3DARB},
+ {"glCompressedTexSubImage2DARB", (void **) &qglCompressedTexSubImage2DARB},
+// {"glCompressedTexSubImage1DARB", (void **) &qglCompressedTexSubImage1DARB},
+ {"glGetCompressedTexImageARB", (void **) &qglGetCompressedTexImageARB},
+ {NULL, NULL}
+};
-// 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);
+static dllfunction_t occlusionqueryfuncs[] =
+{
+ {"glGenQueriesARB", (void **) &qglGenQueriesARB},
+ {"glDeleteQueriesARB", (void **) &qglDeleteQueriesARB},
+ {"glIsQueryARB", (void **) &qglIsQueryARB},
+ {"glBeginQueryARB", (void **) &qglBeginQueryARB},
+ {"glEndQueryARB", (void **) &qglEndQueryARB},
+ {"glGetQueryivARB", (void **) &qglGetQueryivARB},
+ {"glGetQueryObjectivARB", (void **) &qglGetQueryObjectivARB},
+ {"glGetQueryObjectuivARB", (void **) &qglGetQueryObjectuivARB},
+ {NULL, NULL}
+};
-// 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);
+static dllfunction_t drawbuffersfuncs[] =
+{
+ {"glDrawBuffersARB", (void **) &qglDrawBuffersARB},
+ {NULL, NULL}
+};
-// 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);
+void VID_ClearExtensions(void)
+{
+ // VorteX: reset extensions info cvar, it got filled by GL_CheckExtension
+ Cvar_SetQuick(&gl_info_extensions, "");
+
+ // clear the extension flags
+ memset(&vid.support, 0, sizeof(vid.support));
+ vid.renderpath = RENDERPATH_GL11;
+ vid.useinterleavedarrays = false;
+ vid.forcevbo = false;
+ vid.maxtexturesize_2d = 0;
+ vid.maxtexturesize_3d = 0;
+ vid.maxtexturesize_cubemap = 0;
+ vid.texunits = 1;
+ vid.teximageunits = 1;
+ vid.texarrayunits = 1;
+ vid.max_anisotropy = 1;
+ vid.maxdrawbuffers = 1;
+
+ // this is a complete list of all functions that are directly checked in the renderer
+ qglDrawRangeElements = NULL;
+ qglDrawBuffer = NULL;
+ qglPolygonStipple = NULL;
+ qglFlush = NULL;
+ qglActiveTexture = NULL;
+ qglGetCompressedTexImageARB = NULL;
+ qglFramebufferTexture2DEXT = NULL;
+ qglDrawBuffersARB = NULL;
+}
-// 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);
+void VID_CheckExtensions(void)
+{
+ if (!GL_CheckExtension("1.1", opengl110funcs, NULL, false))
+ Sys_Error("OpenGL 1.1.0 functions not found");
+
+ CHECKGLERROR
+
+ Con_DPrint("Checking OpenGL extensions...\n");
+
+ vid.support.amd_texture_texture4 = GL_CheckExtension("GL_AMD_texture_texture4", NULL, "-notexture4", false);
+ vid.support.arb_depth_texture = GL_CheckExtension("GL_ARB_depth_texture", NULL, "-nodepthtexture", false);
+ vid.support.arb_draw_buffers = GL_CheckExtension("GL_ARB_draw_buffers", drawbuffersfuncs, "-nodrawbuffers", false);
+ vid.support.arb_fragment_shader = GL_CheckExtension("GL_ARB_fragment_shader", NULL, "-nofragmentshader", false);
+ vid.support.arb_multitexture = GL_CheckExtension("GL_ARB_multitexture", multitexturefuncs, "-nomtex", false);
+ vid.support.arb_occlusion_query = GL_CheckExtension("GL_ARB_occlusion_query", occlusionqueryfuncs, "-noocclusionquery", false);
+ vid.support.arb_shader_objects = GL_CheckExtension("GL_ARB_shader_objects", shaderobjectsfuncs, "-noshaderobjects", false);
+ vid.support.arb_shading_language_100 = GL_CheckExtension("GL_ARB_shading_language_100", NULL, "-noshadinglanguage100", false);
+ vid.support.arb_shadow = GL_CheckExtension("GL_ARB_shadow", NULL, "-noshadow", false);
+ vid.support.arb_texture_compression = GL_CheckExtension("GL_ARB_texture_compression", texturecompressionfuncs, "-notexturecompression", false);
+ vid.support.arb_texture_cube_map = GL_CheckExtension("GL_ARB_texture_cube_map", NULL, "-nocubemap", false);
+ vid.support.arb_texture_env_combine = GL_CheckExtension("GL_ARB_texture_env_combine", NULL, "-nocombine", false) || GL_CheckExtension("GL_EXT_texture_env_combine", NULL, "-nocombine", false);
+ vid.support.arb_texture_gather = GL_CheckExtension("GL_ARB_texture_gather", NULL, "-notexturegather", false);
+ vid.support.arb_texture_non_power_of_two = GL_CheckExtension("GL_ARB_texture_non_power_of_two", NULL, "-notexturenonpoweroftwo", false);
+ vid.support.arb_vertex_buffer_object = GL_CheckExtension("GL_ARB_vertex_buffer_object", vbofuncs, "-novbo", false);
+ vid.support.arb_vertex_shader = GL_CheckExtension("GL_ARB_vertex_shader", vertexshaderfuncs, "-novertexshader", false);
+ vid.support.ati_separate_stencil = GL_CheckExtension("2.0", gl2separatestencilfuncs, "-noseparatestencil", true) || GL_CheckExtension("GL_ATI_separate_stencil", atiseparatestencilfuncs, "-noseparatestencil", false);
+ vid.support.ext_blend_minmax = GL_CheckExtension("GL_EXT_blend_minmax", blendequationfuncs, "-noblendminmax", false);
+ vid.support.ext_blend_subtract = GL_CheckExtension("GL_EXT_blend_subtract", blendequationfuncs, "-noblendsubtract", false);
+ vid.support.ext_draw_range_elements = GL_CheckExtension("1.2", drawrangeelementsfuncs, "-nodrawrangeelements", true) || GL_CheckExtension("GL_EXT_draw_range_elements", drawrangeelementsextfuncs, "-nodrawrangeelements", false);
+ vid.support.ext_framebuffer_object = GL_CheckExtension("GL_EXT_framebuffer_object", fbofuncs, "-nofbo", false);
+ vid.support.ext_stencil_two_side = GL_CheckExtension("GL_EXT_stencil_two_side", stenciltwosidefuncs, "-nostenciltwoside", false);
+ vid.support.ext_texture_3d = GL_CheckExtension("GL_EXT_texture3D", texture3dextfuncs, "-notexture3d", false);
+ vid.support.ext_texture_compression_s3tc = GL_CheckExtension("GL_EXT_texture_compression_s3tc", NULL, "-nos3tc", false);
+ vid.support.ext_texture_edge_clamp = GL_CheckExtension("GL_EXT_texture_edge_clamp", NULL, "-noedgeclamp", false) || GL_CheckExtension("GL_SGIS_texture_edge_clamp", NULL, "-noedgeclamp", false);
+ vid.support.ext_texture_filter_anisotropic = GL_CheckExtension("GL_EXT_texture_filter_anisotropic", NULL, "-noanisotropy", 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: -nodrawrangeelements disables GL_EXT_draw_range_elements (renders faster)
+// 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: -nofragmentshader disables GL_ARB_fragment_shader (allows pixel shader effects, can improve per pixel lighting performance and capabilities)
+// 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: -nos3tc disables GL_EXT_texture_compression_s3tc (which allows use of .dds texture caching)
+// COMMANDLINEOPTION: GL: -noseparatestencil disables use of OpenGL2.0 glStencilOpSeparate and GL_ATI_separate_stencil extensions (which accelerate shadow rendering)
+// 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: -noshadow disables use of GL_ARB_shadow (required for hardware shadowmap filtering)
+// COMMANDLINEOPTION: GL: -nostenciltwoside disables GL_EXT_stencil_two_side (which accelerate shadow rendering)
+// 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: -novertexshader disables GL_ARB_vertex_shader (allows vertex shader effects)
+
+ if (vid.support.arb_draw_buffers)
+ qglGetIntegerv(GL_MAX_DRAW_BUFFERS_ARB, (GLint*)&vid.maxdrawbuffers);
+
+ // disable non-power-of-two textures on Radeon X1600 and other cards that do not accelerate it with some filtering modes / repeat modes that we use
+ // we detect these cards by checking if the hardware supports vertex texture fetch (Geforce6 does, Radeon X1600 does not, all GL3-class hardware does)
+ if(vid.support.arb_texture_non_power_of_two)
+ {
+ int val = 0;
+ if (vid.support.arb_vertex_shader)
+ qglGetIntegerv(GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB, &val);CHECKGLERROR
+ if (val < 1)
+ vid.support.arb_texture_non_power_of_two = 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);
-}
+ qglGetIntegerv(GL_MAX_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_2d);
+ if (vid.support.ext_texture_filter_anisotropic)
+ qglGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, (GLint*)&vid.max_anisotropy);
+ if (vid.support.arb_texture_cube_map)
+ qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, (GLint*)&vid.maxtexturesize_cubemap);
+ if (vid.support.ext_texture_3d)
+ qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_3d);
-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)
+ // verify that 3d textures are really supported
+ if (vid.support.ext_texture_3d && vid.maxtexturesize_3d < 32)
{
- CHECKGLERROR
- m = qglAllocateMemoryNV(size, readfrequency, writefrequency, priority);
- CHECKGLERROR
- if (m)
- {
- vid_vertexarrays_are_var = true;
- return m;
- }
+ vid.support.ext_texture_3d = false;
+ Con_Printf("GL_EXT_texture3D reported bogus GL_MAX_3D_TEXTURE_SIZE, disabled\n");
}
- return Mem_Alloc(pool, size);
-}
-void VID_FreeVertexArrays(void *pointer)
-{
- if (vid_vertexarrays_are_var)
+ vid.texunits = vid.teximageunits = vid.texarrayunits = 1;
+ if (vid.support.arb_multitexture)
+ qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits);
+ if (vid_gl20.integer && vid.support.arb_fragment_shader && vid.support.arb_vertex_shader && vid.support.arb_shader_objects)
{
- CHECKGLERROR
- qglFreeMemoryNV(pointer);
- CHECKGLERROR
+ qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits);
+ qglGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS_ARB, (int *)&vid.teximageunits);CHECKGLERROR
+ qglGetIntegerv(GL_MAX_TEXTURE_COORDS_ARB, (int *)&vid.texarrayunits);CHECKGLERROR
+ vid.texunits = bound(4, vid.texunits, MAX_TEXTUREUNITS);
+ vid.teximageunits = bound(16, vid.teximageunits, MAX_TEXTUREUNITS);
+ vid.texarrayunits = bound(8, vid.texarrayunits, MAX_TEXTUREUNITS);
+ Con_DPrintf("Using GL2.0 rendering path - %i texture matrix, %i texture images, %i texcoords%s\n", vid.texunits, vid.teximageunits, vid.texarrayunits, vid.support.ext_framebuffer_object ? ", shadowmapping supported" : "");
+ vid.renderpath = RENDERPATH_GL20;
+ vid.useinterleavedarrays = false;
+ }
+#ifdef SUPPORTCG
+ else if (vid_cggl.integer && (vid.cgcontext = cgCreateContext()))
+ {
+ vid.texunits = 4;
+ vid.teximageunits = 16;
+ vid.texarrayunits = 8;
+ Con_DPrintf("Using NVIDIA Cg rendering path - %i texture matrix, %i texture images, %i texcoords%s\n", vid.texunits, vid.teximageunits, vid.texarrayunits, vid.support.ext_framebuffer_object ? ", shadowmapping supported" : "");
+ vid.renderpath = RENDERPATH_CGGL;
+ vid.useinterleavedarrays = false;
+ }
+#endif
+ else if (vid.support.arb_texture_env_combine && vid.texunits >= 2 && vid_gl13.integer)
+ {
+ qglGetIntegerv(GL_MAX_TEXTURE_UNITS_ARB, (GLint*)&vid.texunits);
+ vid.texunits = bound(1, vid.texunits, MAX_TEXTUREUNITS);
+ vid.teximageunits = vid.texunits;
+ vid.texarrayunits = vid.texunits;
+ Con_DPrintf("Using GL1.3 rendering path - %i texture units, single pass rendering\n", vid.texunits);
+ vid.renderpath = RENDERPATH_GL13;
+ vid.useinterleavedarrays = false;
}
else
- Mem_Free(pointer);
- vid_vertexarrays_are_var = false;
+ {
+ vid.texunits = bound(1, vid.texunits, MAX_TEXTUREUNITS);
+ vid.teximageunits = vid.texunits;
+ vid.texarrayunits = vid.texunits;
+ Con_DPrintf("Using GL1.1 rendering path - %i texture units, two pass rendering\n", vid.texunits);
+ vid.renderpath = RENDERPATH_GL11;
+ vid.useinterleavedarrays = false;
+ }
+
+ // 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);
}
void Force_CenterView_f (void)
cl.viewangles[PITCH] = 0;
}
-static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3];
+static int gamma_forcenextframe = false;
+static float cachegamma, cachebrightness, cachecontrast, cacheblack[3], cachegrey[3], cachewhite[3], cachecontrastboost;
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)
+
+unsigned int vid_gammatables_serial = 0; // so other subsystems can poll if gamma parameters have changed
+qboolean vid_gammatables_trivial = true;
+void VID_BuildGammaTables(unsigned short *ramps, int rampsize)
+{
+ if (cachecolorenable)
+ {
+ BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[0]), cachewhite[0], cacheblack[0], cachecontrastboost, ramps, rampsize);
+ BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[1]), cachewhite[1], cacheblack[1], cachecontrastboost, ramps + rampsize, rampsize);
+ BuildGammaTable16(1.0f, invpow(0.5, 1 - cachegrey[2]), cachewhite[2], cacheblack[2], cachecontrastboost, ramps + rampsize*2, rampsize);
+ }
+ else
+ {
+ BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps, rampsize);
+ BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize, rampsize);
+ BuildGammaTable16(1.0f, cachegamma, cachecontrast, cachebrightness, cachecontrastboost, ramps + rampsize*2, rampsize);
+ }
+
+ // 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;
+ gamma_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++)
+ {
+ nt[x] -= cl.realframetime;
+ if (nt[x] < 0)
+ {
+ nd[x] = -nd[x];
+ nt[x] += lhrandom(1, 8.2);
+ }
+ n[x] += nd[x] * cl.realframetime;
+ n[x] -= floor(n[x]);
+ }
+
+ for (x = 0, ramp = ramps;x < 3;x++)
+ for (y = 0, t = n[x] - 0.75f;y < rampsize;y++, t += 0.75f * (2.0f / rampsize))
+ *ramp++ = (unsigned short)(cos(t*(M_PI*2.0)) * 32767.0f + 32767.0f);
+ }
+}
+
+void VID_UpdateGamma(qboolean force, int rampsize)
{
cvar_t *c;
float f;
- static int forcenextframe = false;
+ int wantgamma;
+ qboolean gamma_changed = 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)
+ wantgamma = v_hwgamma.integer;
+ switch(vid.renderpath)
{
- 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)
+ case RENDERPATH_GL20:
+ case RENDERPATH_CGGL:
+ case RENDERPATH_D3D9:
+ case RENDERPATH_D3D10:
+ case RENDERPATH_D3D11:
+ case RENDERPATH_SOFT:
+ if (v_glslgamma.integer)
+ wantgamma = 0;
+ break;
+ case RENDERPATH_GL13:
+ case RENDERPATH_GL11:
+ break;
+ }
+ if(!vid_activewindow)
+ wantgamma = 0;
+#define BOUNDCVAR(cvar, m1, m2) c = &(cvar);f = bound(m1, c->value, m2);if (c->value != f) Cvar_SetValueQuick(c, f);
+ BOUNDCVAR(v_gamma, 0.1, 5);
+ BOUNDCVAR(v_contrast, 1, 5);
+ BOUNDCVAR(v_brightness, 0, 0.8);
+ //BOUNDCVAR(v_contrastboost, 0.0625, 16);
+ BOUNDCVAR(v_color_black_r, 0, 0.8);
+ BOUNDCVAR(v_color_black_g, 0, 0.8);
+ BOUNDCVAR(v_color_black_b, 0, 0.8);
+ BOUNDCVAR(v_color_grey_r, 0, 0.95);
+ BOUNDCVAR(v_color_grey_g, 0, 0.95);
+ BOUNDCVAR(v_color_grey_b, 0, 0.95);
+ BOUNDCVAR(v_color_white_r, 1, 5);
+ BOUNDCVAR(v_color_white_g, 1, 5);
+ BOUNDCVAR(v_color_white_b, 1, 5);
+#undef BOUNDCVAR
+
+ // set vid_gammatables_trivial to true if the current settings would generate the identity gamma table
+ vid_gammatables_trivial = false;
+ if(v_psycho.integer == 0)
+ if(v_contrastboost.value == 1)
+ {
+ if(v_color_enable.integer)
{
- 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);
+ if(v_color_black_r.value == 0)
+ if(v_color_black_g.value == 0)
+ if(v_color_black_b.value == 0)
+ if(fabs(v_color_grey_r.value - 0.5) < 1e-6)
+ if(fabs(v_color_grey_g.value - 0.5) < 1e-6)
+ if(fabs(v_color_grey_b.value - 0.5) < 1e-6)
+ if(v_color_white_r.value == 1)
+ if(v_color_white_g.value == 1)
+ if(v_color_white_b.value == 1)
+ vid_gammatables_trivial = true;
}
else
{
- 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);
+ if(v_gamma.value == 1)
+ if(v_contrast.value == 1)
+ if(v_brightness.value == 0)
+ vid_gammatables_trivial = true;
}
+ }
- // 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);
- }
- }
+#define GAMMACHECK(cache, value) if (cache != (value)) gamma_changed = true;cache = (value)
+ if(v_psycho.integer)
+ gamma_changed = true;
+ GAMMACHECK(cachegamma , v_gamma.value);
+ GAMMACHECK(cachecontrast , v_contrast.value);
+ GAMMACHECK(cachebrightness , v_brightness.value);
+ GAMMACHECK(cachecontrastboost, v_contrastboost.value);
+ GAMMACHECK(cachecolorenable, v_color_enable.integer);
+ GAMMACHECK(cacheblack[0] , v_color_black_r.value);
+ GAMMACHECK(cacheblack[1] , v_color_black_g.value);
+ GAMMACHECK(cacheblack[2] , v_color_black_b.value);
+ GAMMACHECK(cachegrey[0] , v_color_grey_r.value);
+ GAMMACHECK(cachegrey[1] , v_color_grey_g.value);
+ GAMMACHECK(cachegrey[2] , v_color_grey_b.value);
+ GAMMACHECK(cachewhite[0] , v_color_white_r.value);
+ GAMMACHECK(cachewhite[1] , v_color_white_g.value);
+ GAMMACHECK(cachewhite[2] , v_color_white_b.value);
+
+ if(gamma_changed)
+ ++vid_gammatables_serial;
+
+ GAMMACHECK(cachehwgamma , wantgamma);
+#undef GAMMACHECK
+
+ if (!force && !gamma_forcenextframe && !gamma_changed)
+ return;
- for (x = 0;x < 3;x++)
+ gamma_forcenextframe = false;
+
+ if (cachehwgamma)
+ {
+ if (!vid_usinghwgamma)
+ {
+ vid_usinghwgamma = true;
+ if (vid_gammarampsize != rampsize || !vid_gammaramps)
{
- nt[x] -= host_realframetime;
- if (nt[x] < 0)
- {
- nd[x] = -nd[x];
- nt[x] += lhrandom(1, 8.2);
- }
- n[x] += nd[x] * host_realframetime;
- n[x] -= floor(n[x]);
+ vid_gammarampsize = rampsize;
+ if (vid_gammaramps)
+ Z_Free(vid_gammaramps);
+ vid_gammaramps = (unsigned short *)Z_Malloc(6 * vid_gammarampsize * sizeof(unsigned short));
+ vid_systemgammaramps = vid_gammaramps + 3 * vid_gammarampsize;
}
-
- 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;
+ VID_GetGamma(vid_systemgammaramps, vid_gammarampsize);
}
- Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps));
+ VID_BuildGammaTables(vid_gammaramps, vid_gammarampsize);
+
+ // set vid_hardwaregammasupported to true if VID_SetGamma succeeds, OR if vid_hwgamma is >= 2 (forced gamma - ignores driver return value)
+ Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_gammaramps, vid_gammarampsize) || cachehwgamma >= 2);
// if custom gamma ramps failed (Windows stupidity), restore to system gamma
if(!vid_hardwaregammasupported.integer)
- VID_SetGamma(vid_systemgammaramps);
+ {
+ if (vid_usinghwgamma)
+ {
+ vid_usinghwgamma = false;
+ VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
+ }
+ }
}
else
{
if (vid_usinghwgamma)
{
vid_usinghwgamma = false;
- Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps));
+ VID_SetGamma(vid_systemgammaramps, vid_gammarampsize);
}
}
}
if (vid_usinghwgamma)
{
vid_usinghwgamma = false;
- VID_SetGamma(vid_systemgammaramps);
+ Cvar_SetValueQuick(&vid_hardwaregammasupported, VID_SetGamma(vid_systemgammaramps, vid_gammarampsize));
+ // force gamma situation to be reexamined next frame
+ gamma_forcenextframe = true;
}
}
void VID_Shared_Init(void)
{
Cvar_RegisterVariable(&vid_hardwaregammasupported);
+ Cvar_RegisterVariable(&gl_info_vendor);
+ Cvar_RegisterVariable(&gl_info_renderer);
+ Cvar_RegisterVariable(&gl_info_version);
+ Cvar_RegisterVariable(&gl_info_extensions);
+ Cvar_RegisterVariable(&gl_info_platform);
+ Cvar_RegisterVariable(&gl_info_driver);
Cvar_RegisterVariable(&v_gamma);
Cvar_RegisterVariable(&v_brightness);
+ Cvar_RegisterVariable(&v_contrastboost);
Cvar_RegisterVariable(&v_contrast);
Cvar_RegisterVariable(&v_color_enable);
Cvar_RegisterVariable(&v_color_white_b);
Cvar_RegisterVariable(&v_hwgamma);
+ Cvar_RegisterVariable(&v_glslgamma);
Cvar_RegisterVariable(&v_psycho);
Cvar_RegisterVariable(&vid_width);
Cvar_RegisterVariable(&vid_height);
Cvar_RegisterVariable(&vid_bitsperpixel);
+ Cvar_RegisterVariable(&vid_samples);
+ Cvar_RegisterVariable(&vid_refreshrate);
+ Cvar_RegisterVariable(&vid_userefreshrate);
+ Cvar_RegisterVariable(&vid_stereobuffer);
Cvar_RegisterVariable(&vid_vsync);
Cvar_RegisterVariable(&vid_mouse);
- Cvar_RegisterVariable(&gl_combine);
+ Cvar_RegisterVariable(&vid_grabkeyboard);
+ Cvar_RegisterVariable(&vid_stick_mouse);
+ Cvar_RegisterVariable(&vid_resizable);
+ Cvar_RegisterVariable(&vid_minwidth);
+ Cvar_RegisterVariable(&vid_minheight);
+ Cvar_RegisterVariable(&vid_gl13);
+ Cvar_RegisterVariable(&vid_gl20);
+#ifdef SUPPORTCG
+ Cvar_RegisterVariable(&vid_cggl);
+#endif
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");
+ Cmd_AddCommand("force_centerview", Force_CenterView_f, "recenters view (stops looking up/down)");
+ Cmd_AddCommand("vid_restart", VID_Restart_f, "restarts video system (closes and reopens the window, restarts renderer)");
}
-int current_vid_fullscreen;
-int current_vid_width;
-int current_vid_height;
-int current_vid_bitsperpixel;
-int VID_Mode(int fullscreen, int width, int height, int bpp)
+int VID_Mode(int fullscreen, int width, int height, int bpp, float refreshrate, int stereobuffer, int samples)
{
- Con_Printf("Video: %s %dx%dx%d\n", fullscreen ? "fullscreen" : "window", width, height, bpp);
- if (VID_InitMode(fullscreen, width, height, bpp))
+ viddef_mode_t mode;
+ memset(&mode, 0, sizeof(mode));
+ mode.fullscreen = fullscreen != 0;
+ mode.width = width;
+ mode.height = height;
+ mode.bitsperpixel = bpp;
+ mode.refreshrate = vid_userefreshrate.integer ? max(1, refreshrate) : 0;
+ mode.userefreshrate = vid_userefreshrate.integer != 0;
+ mode.stereobuffer = stereobuffer != 0;
+ mode.samples = samples;
+ cl_ignoremousemoves = 2;
+ VID_ClearExtensions();
+ if (VID_InitMode(&mode))
{
- current_vid_fullscreen = fullscreen;
- current_vid_width = width;
- current_vid_height = height;
- current_vid_bitsperpixel = bpp;
- Cvar_SetValueQuick(&vid_fullscreen, fullscreen);
- Cvar_SetValueQuick(&vid_width, width);
- Cvar_SetValueQuick(&vid_height, height);
- Cvar_SetValueQuick(&vid_bitsperpixel, bpp);
+ // accept the (possibly modified) mode
+ vid.mode = mode;
+ vid.fullscreen = vid.mode.fullscreen;
+ vid.width = vid.mode.width;
+ vid.height = vid.mode.height;
+ vid.bitsperpixel = vid.mode.bitsperpixel;
+ vid.refreshrate = vid.mode.refreshrate;
+ vid.userefreshrate = vid.mode.userefreshrate;
+ vid.stereobuffer = vid.mode.stereobuffer;
+ vid.samples = vid.mode.samples;
+ vid.stencil = vid.mode.bitsperpixel > 16;
+ Con_Printf("Video Mode: %s %dx%dx%dx%.2fhz%s%s\n", mode.fullscreen ? "fullscreen" : "window", mode.width, mode.height, mode.bitsperpixel, mode.refreshrate, mode.stereobuffer ? " stereo" : "", mode.samples > 1 ? va(" (%ix AA)", mode.samples) : "");
+
+ Cvar_SetValueQuick(&vid_fullscreen, vid.mode.fullscreen);
+ Cvar_SetValueQuick(&vid_width, vid.mode.width);
+ Cvar_SetValueQuick(&vid_height, vid.mode.height);
+ Cvar_SetValueQuick(&vid_bitsperpixel, vid.mode.bitsperpixel);
+ Cvar_SetValueQuick(&vid_samples, vid.mode.samples);
+ if(vid_userefreshrate.integer)
+ Cvar_SetValueQuick(&vid_refreshrate, vid.mode.refreshrate);
+ Cvar_SetValueQuick(&vid_stereobuffer, vid.mode.stereobuffer);
+
return true;
}
else
if (vid_commandlinecheck)
return;
- Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp, to %s %dx%dx%dbpp.\n",
- current_vid_fullscreen ? "fullscreen" : "window", current_vid_width, current_vid_height, current_vid_bitsperpixel,
- vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer);
+ Con_Printf("VID_Restart: changing from %s %dx%dx%dbpp%s%s, to %s %dx%dx%dbpp%s%s.\n",
+ vid.mode.fullscreen ? "fullscreen" : "window", vid.mode.width, vid.mode.height, vid.mode.bitsperpixel, vid.mode.fullscreen && vid.mode.userefreshrate ? va("x%.2fhz", vid.mode.refreshrate) : "", vid.mode.samples > 1 ? va(" (%ix AA)", vid.mode.samples) : "",
+ vid_fullscreen.integer ? "fullscreen" : "window", vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_fullscreen.integer && vid_userefreshrate.integer ? va("x%.2fhz", vid_refreshrate.value) : "", vid_samples.integer > 1 ? va(" (%ix AA)", vid_samples.integer) : "");
VID_CloseSystems();
VID_Shutdown();
- if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer))
+ if (!VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer))
{
Con_Print("Video mode change failed\n");
- if (!VID_Mode(current_vid_fullscreen, current_vid_width, current_vid_height, current_vid_bitsperpixel))
- Sys_Error("Unable to restore to last working video mode\n");
+ if (!VID_Mode(vid.mode.fullscreen, vid.mode.width, vid.mode.height, vid.mode.bitsperpixel, vid.mode.refreshrate, vid.mode.stereobuffer, vid.mode.samples))
+ Sys_Error("Unable to restore to last working video mode");
}
VID_OpenSystems();
}
+const char *vidfallbacks[][2] =
+{
+ {"vid_stereobuffer", "0"},
+ {"vid_samples", "1"},
+ {"vid_userefreshrate", "0"},
+ {"vid_width", "640"},
+ {"vid_height", "480"},
+ {"vid_bitsperpixel", "16"},
+ {NULL, NULL}
+};
+
// this is only called once by Host_StartVideo
void VID_Start(void)
{
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);
+ success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.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);
+ for (i = 0;!success && vidfallbacks[i][0] != NULL;i++)
+ {
+ Cvar_Set(vidfallbacks[i][0], vidfallbacks[i][1]);
+ success = VID_Mode(vid_fullscreen.integer, vid_width.integer, vid_height.integer, vid_bitsperpixel.integer, vid_refreshrate.value, vid_stereobuffer.integer, vid_samples.integer);
+ }
if (!success)
- Sys_Error("Video modes failed\n");
+ Sys_Error("Video modes failed");
}
VID_OpenSystems();
}
+int VID_SortModes_Compare(const void *a_, const void *b_)
+{
+ vid_mode_t *a = (vid_mode_t *) a_;
+ vid_mode_t *b = (vid_mode_t *) b_;
+ if(a->width > b->width)
+ return +1;
+ if(a->width < b->width)
+ return -1;
+ if(a->height > b->height)
+ return +1;
+ if(a->height < b->height)
+ return -1;
+ if(a->refreshrate > b->refreshrate)
+ return +1;
+ if(a->refreshrate < b->refreshrate)
+ return -1;
+ if(a->bpp > b->bpp)
+ return +1;
+ if(a->bpp < b->bpp)
+ return -1;
+ if(a->pixelheight_num * b->pixelheight_denom > a->pixelheight_denom * b->pixelheight_num)
+ return +1;
+ if(a->pixelheight_num * b->pixelheight_denom < a->pixelheight_denom * b->pixelheight_num)
+ return -1;
+ return 0;
+}
+size_t VID_SortModes(vid_mode_t *modes, size_t count, qboolean usebpp, qboolean userefreshrate, qboolean useaspect)
+{
+ size_t i;
+ if(count == 0)
+ return 0;
+ // 1. sort them
+ qsort(modes, count, sizeof(*modes), VID_SortModes_Compare);
+ // 2. remove duplicates
+ for(i = 0; i < count; ++i)
+ {
+ if(modes[i].width && modes[i].height)
+ {
+ if(i == 0)
+ continue;
+ if(modes[i].width != modes[i-1].width)
+ continue;
+ if(modes[i].height != modes[i-1].height)
+ continue;
+ if(userefreshrate)
+ if(modes[i].refreshrate != modes[i-1].refreshrate)
+ continue;
+ if(usebpp)
+ if(modes[i].bpp != modes[i-1].bpp)
+ continue;
+ if(useaspect)
+ if(modes[i].pixelheight_num * modes[i-1].pixelheight_denom != modes[i].pixelheight_denom * modes[i-1].pixelheight_num)
+ continue;
+ }
+ // a dupe, or a bogus mode!
+ if(i < count-1)
+ memmove(&modes[i], &modes[i+1], sizeof(*modes) * (count-1 - i));
+ --i; // check this index again, as mode i+1 is now here
+ --count;
+ }
+ return count;
+}