wgl.c File Reference

#include "client.h"
#include "glimp.h"
#include "wgl.h"

Go to the source code of this file.

Macros
#define	GPA(x)   (void *)GetProcAddress(glw.hinstOpenGL, x);
#define	GPA(x)   (void *)qwglGetProcAddress(x)

Functions
	void (APIENTRY *qwglDrawBuffer)(GLenum mode)
const GLubyte *APIENTRY *	qwglGetString (GLenum name)
	int (WINAPI *qwglChoosePixelFormat)(HDC
	BOOL (WINAPI *qwglSetPixelFormat)(HDC
	HGLRC (WINAPI *qwglCreateContext)(HDC)
	PROC (WINAPI *qwglGetProcAddress)(LPCSTR)
const char *WINAPI *	qwglGetExtensionsStringARB (HDC hdc)
void	WGL_Shutdown (void)
qboolean	WGL_Init (const char *dllname)
void	WGL_ShutdownExtensions (unsigned mask)
void	WGL_InitExtensions (unsigned mask)
unsigned	WGL_ParseExtensionString (const char *s)

Variables
CONST PIXELFORMATDESCRIPTOR	int
CONST PIXELFORMATDESCRIPTOR	UINT
CONST PIXELFORMATDESCRIPTOR	LPPIXELFORMATDESCRIPTOR
	HGLRC

Macro Definition Documentation

GPA [1/2]

#define GPA

(

x

)

(void *)GetProcAddress(glw.hinstOpenGL, x);

Definition at line 103 of file wgl.c.

GPA [2/2]

#define GPA

(

x

)

(void *)qwglGetProcAddress(x)

Definition at line 103 of file wgl.c.

Function Documentation

BOOL()

const int const FLOAT int UINT * BOOL

(

WINAPI *

qwglSetPixelFormat

)

Referenced by enum_modules_callback(), FindNextFileA(), Sys_Init(), and VID_EndFrame().

HGLRC()

HGLRC

(

WINAPI *

qwglCreateContext

)

int()

int

(

WINAPI *

qwglChoosePixelFormat

)

PROC()

PROC

(

WINAPI *

qwglGetProcAddress

)

qwglGetExtensionsStringARB()

const char* WINAPI* qwglGetExtensionsStringARB

(

HDC

hdc

)

Referenced by GetFakeWindowExtensions(), VID_Init(), WGL_InitExtensions(), and WGL_ShutdownExtensions().

qwglGetString()

const GLubyte* APIENTRY* qwglGetString

(

GLenum

name

)

Referenced by VID_Init(), WGL_Init(), and WGL_Shutdown().

void()

void

(

APIENTRY *

qwglDrawBuffer

)

Referenced by Com_Crash_f(), ParseMasterArgs(), R_AliasSetupBlend(), and R_DrawSurface().

WGL_Init()

qboolean WGL_Init

(

const char *

dllname

)

Definition at line 66 of file wgl.c.

{
    if ((glw.hinstOpenGL = LoadLibrary(dllname)) == NULL) {
        return qfalse;
    }
 
    qwglDrawBuffer              = GPA("glDrawBuffer");
    qwglGetString               = GPA("glGetString");
 
    qwglChoosePixelFormat       = GPA("wglChoosePixelFormat");
    qwglDescribePixelFormat     = GPA("wglDescribePixelFormat");
    qwglSetPixelFormat          = GPA("wglSetPixelFormat");
    qwglSwapBuffers             = GPA("wglSwapBuffers");
 
    qwglCreateContext           = GPA("wglCreateContext");
    qwglDeleteContext           = GPA("wglDeleteContext");
    qwglGetProcAddress          = GPA("wglGetProcAddress");
    qwglMakeCurrent             = GPA("wglMakeCurrent");
 
    return qtrue;
}

Referenced by LoadGL().

WGL_InitExtensions()

void WGL_InitExtensions

(

unsigned

mask

)

Definition at line 105 of file wgl.c.

{
    if (mask & QWGL_ARB_extensions_string) {
        qwglGetExtensionsStringARB  = GPA("wglGetExtensionsStringARB");
    }
    if (mask & QWGL_ARB_pixel_format) {
        qwglChoosePixelFormatARB    = GPA("wglChoosePixelFormatARB");
    }
    if (mask & QWGL_EXT_swap_control) {
        qwglSwapIntervalEXT         = GPA("wglSwapIntervalEXT");
    }
}

Referenced by GetFakeWindowExtensions(), and VID_Init().

WGL_ParseExtensionString()

unsigned WGL_ParseExtensionString

(

const char *

s

)

Definition at line 120 of file wgl.c.

{
    // must match defines in win_wgl.h!
    static const char *const extnames[] = {
        "WGL_ARB_extensions_string",
        "WGL_ARB_multisample",
        "WGL_ARB_pixel_format",
        "WGL_EXT_swap_control",
        "WGL_EXT_swap_control_tear",
        NULL
    };
 
    return Com_ParseExtensionString(s, extnames);
}

Referenced by GetFakeWindowExtensions(), and VID_Init().

WGL_Shutdown()

void WGL_Shutdown

(

void

)

Definition at line 41 of file wgl.c.

{
    if (glw.hinstOpenGL) {
        FreeLibrary(glw.hinstOpenGL);
        glw.hinstOpenGL = NULL;
    }
 
    qwglDrawBuffer              = NULL;
    qwglGetString               = NULL;
 
    qwglChoosePixelFormat       = NULL;
    qwglDescribePixelFormat     = NULL;
    qwglSetPixelFormat          = NULL;
    qwglSwapBuffers             = NULL;
 
    qwglCreateContext           = NULL;
    qwglDeleteContext           = NULL;
    qwglGetProcAddress          = NULL;
    qwglMakeCurrent             = NULL;
 
    WGL_ShutdownExtensions(~0);
}

Referenced by LoadGL(), and VID_Shutdown().

WGL_ShutdownExtensions()

void WGL_ShutdownExtensions

(

unsigned

mask

)

Definition at line 90 of file wgl.c.

{
    if (mask & QWGL_ARB_extensions_string) {
        qwglGetExtensionsStringARB  = NULL;
    }
    if (mask & QWGL_ARB_pixel_format) {
        qwglChoosePixelFormatARB    = NULL;
    }
    if (mask & QWGL_EXT_swap_control) {
        qwglSwapIntervalEXT         = NULL;
    }
}

Referenced by WGL_Shutdown().

Variable Documentation

HGLRC

HGLRC

Definition at line 33 of file wgl.c.

Referenced by GetFakeWindowExtensions().

int

CONST PIXELFORMATDESCRIPTOR * int

Definition at line 26 of file wgl.c.

Referenced by CL_AddExplosionLight(), ClientEndServerFrame(), create_pipeline_layout(), D_CalcGradients(), D_DrawSpans16(), D_DrawTurbulent16(), D_DrawZSpans(), D_WarpScreen(), drs_process(), FloorDivMod(), get_image_position(), GL_DrawWorld(), GL_StateBits(), IMG_ResampleTexture(), inet_pton4(), inet_pton6(), Machinegun_Fire(), OGG_Cmd(), Parse_Footer(), Pickup_Ammo(), PM_SnapPosition(), progress_func(), R_AliasTransformFinalVerts(), R_BuildPolygonFromSurface(), R_DrawParticle(), R_EmitEdge(), R_PolygonDrawSpans(), R_PolygonScanLeftEdge(), R_PolygonScanRightEdge(), R_PolysetCalcGradients(), R_RenderFrame_RTX(), R_RenderWorld(), R_ViewChanged(), S_RawSamples(), sample_polygonal_lights(), sample_surface_verts(), SCR_DrawActive(), SnapToEights(), SV_CalcPings(), SV_Push(), vectoangles(), vectoyaw(), vkpt_pt_init(), vkpt_pt_trace_lighting(), Weapon_RocketLauncher_Fire(), and write_sprite_geometry().

LPPIXELFORMATDESCRIPTOR

CONST PIXELFORMATDESCRIPTOR LPPIXELFORMATDESCRIPTOR

Definition at line 26 of file wgl.c.

UINT

const int const FLOAT UINT

Definition at line 26 of file wgl.c.

Referenced by enum_modules_callback(), mouse_hwheel_event(), mouse_wheel_event(), raw_input_event(), and SetupGL().