swimp.c File Reference

#include "client.h"

Go to the source code of this file.

Classes
struct	sww_t

Functions
void	VID_Shutdown (void)
void	SWimp_ModeChanged (void)
qboolean	VID_Init (void)
void	VID_VideoWait (void)
qboolean	VID_VideoSync (void)
void	VID_BeginFrame (void)
void	VID_EndFrame (void)

Variables
static sww_t	sww

Function Documentation

SWimp_ModeChanged()

void SWimp_ModeChanged

(

void

)

Definition at line 65 of file swimp.c.

{
    BITMAPINFO info;
 
    if (!sww.dibdc) {
        return;
    }
 
    // destroy previous DIB section
    if (sww.dibsect) {
        SelectObject(sww.dibdc, sww.prevobj);
        DeleteObject(sww.dibsect);
    }
 
    // fill in the BITMAPINFO struct
    memset(&info, 0, sizeof(info));
 
    info.bmiHeader.biSize           = sizeof(BITMAPINFOHEADER);
    info.bmiHeader.biWidth          = win.rc.width;
    info.bmiHeader.biHeight         = win.rc.height;
    info.bmiHeader.biPlanes         = 1;
    info.bmiHeader.biCompression    = BI_RGB;
    info.bmiHeader.biBitCount       = 32;
 
    // create the DIB section
    sww.dibsect = CreateDIBSection(win.dc,
                                   &info,
                                   DIB_RGB_COLORS,
                                   (void **)&sww.pixels,
                                   NULL,
                                   0);
 
    if (!sww.dibsect) {
        Com_Error(ERR_FATAL, "DIB_Init: CreateDIBSection failed");
    }
 
    if (info.bmiHeader.biHeight > 0) {
        // bottom up
        win.buffer  = sww.pixels + (win.rc.height - 1) * win.rc.width * 4;
        win.pitch   = -win.rc.width * 4;
    } else {
        // top down
        win.buffer  = sww.pixels;
        win.pitch   = win.rc.width * 4;
    }
 
    // clear the DIB memory buffer
    memset(sww.pixels, 0, win.rc.width * win.rc.height * 4);
 
    sww.prevobj = SelectObject(sww.dibdc, sww.dibsect);
    if (!sww.prevobj) {
        Com_Error(ERR_FATAL, "DIB_Init: SelectObject failed\n");
    }
}

Referenced by Win_ModeChanged().

VID_BeginFrame()

void VID_BeginFrame

(

void

)

Definition at line 157 of file swimp.c.

{
}

VID_EndFrame()

void VID_EndFrame

(

void

)

Definition at line 167 of file swimp.c.

{
    BitBlt(win.dc, 0, 0, win.rc.width, win.rc.height, sww.dibdc, 0, 0, SRCCOPY);
}

VID_Init()

qboolean VID_Init

(

void

)

Definition at line 127 of file swimp.c.

{
    // create the window
    Win_Init();
 
    // set display mode
    Win_SetMode();
 
    // create logical DC
    sww.dibdc = CreateCompatibleDC(win.dc);
    if (!sww.dibdc) {
        Com_EPrintf("DIB_Init: CreateCompatibleDC failed with error %lu\n", GetLastError());
        Win_Shutdown();
        return qfalse;
    }
 
    // call SWimp_ModeChanged and friends
    Win_ModeChanged();
    return qtrue;
}

VID_Shutdown()

void VID_Shutdown

(

void

)

Definition at line 49 of file swimp.c.

{
    if (sww.dibdc) {
        SelectObject(sww.dibdc, sww.prevobj);
        DeleteDC(sww.dibdc);
    }
 
    if (sww.dibsect) {
        DeleteObject(sww.dibsect);
    }
 
    memset(&sww, 0, sizeof(sww));
 
    Win_Shutdown();
}

VID_VideoSync()

qboolean VID_VideoSync

(

void

)

Definition at line 152 of file swimp.c.

{
    return qtrue;
}

VID_VideoWait()

void VID_VideoWait

(

void

)

Definition at line 148 of file swimp.c.

{
}

Variable Documentation

sww

sww_t sww

static

Definition at line 41 of file swimp.c.

Referenced by SWimp_ModeChanged(), VID_EndFrame(), VID_Init(), and VID_Shutdown().