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Ley0k
commit
09bed43f97
1594 changed files with 892326 additions and 0 deletions
96
code/sdl/sdl_gamma.c
Normal file
96
code/sdl/sdl_gamma.c
Normal file
|
|
@ -0,0 +1,96 @@
|
|||
/*
|
||||
===========================================================================
|
||||
Copyright (C) 1999-2005 Id Software, Inc.
|
||||
|
||||
This file is part of Quake III Arena source code.
|
||||
|
||||
Quake III Arena source code is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the License,
|
||||
or (at your option) any later version.
|
||||
|
||||
Quake III Arena source code is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with Quake III Arena source code; if not, write to the Free Software
|
||||
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
===========================================================================
|
||||
*/
|
||||
|
||||
#ifdef USE_LOCAL_HEADERS
|
||||
# include "SDL.h"
|
||||
#else
|
||||
# include <SDL.h>
|
||||
#endif
|
||||
|
||||
#include "../renderercommon/tr_common.h"
|
||||
#include "../qcommon/qcommon.h"
|
||||
|
||||
extern SDL_Window *SDL_window;
|
||||
|
||||
/*
|
||||
=================
|
||||
GLimp_SetGamma
|
||||
=================
|
||||
*/
|
||||
void GLimp_SetGamma( unsigned char red[256], unsigned char green[256], unsigned char blue[256] )
|
||||
{
|
||||
Uint16 table[3][256];
|
||||
int i, j;
|
||||
|
||||
if( !glConfig.deviceSupportsGamma || r_ignorehwgamma->integer > 0 )
|
||||
return;
|
||||
|
||||
for (i = 0; i < 256; i++)
|
||||
{
|
||||
table[0][i] = ( ( ( Uint16 ) red[i] ) << 8 ) | red[i];
|
||||
table[1][i] = ( ( ( Uint16 ) green[i] ) << 8 ) | green[i];
|
||||
table[2][i] = ( ( ( Uint16 ) blue[i] ) << 8 ) | blue[i];
|
||||
}
|
||||
|
||||
#ifdef _WIN32
|
||||
#include <windows.h>
|
||||
|
||||
// Win2K and newer put this odd restriction on gamma ramps...
|
||||
{
|
||||
OSVERSIONINFO vinfo;
|
||||
|
||||
vinfo.dwOSVersionInfoSize = sizeof( vinfo );
|
||||
GetVersionEx( &vinfo );
|
||||
if( vinfo.dwMajorVersion >= 5 && vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT )
|
||||
{
|
||||
ri.Printf( PRINT_DEVELOPER, "performing gamma clamp.\n" );
|
||||
for( j = 0 ; j < 3 ; j++ )
|
||||
{
|
||||
for( i = 0 ; i < 128 ; i++ )
|
||||
{
|
||||
if( table[ j ] [ i] > ( ( 128 + i ) << 8 ) )
|
||||
table[ j ][ i ] = ( 128 + i ) << 8;
|
||||
}
|
||||
|
||||
if( table[ j ] [127 ] > 254 << 8 )
|
||||
table[ j ][ 127 ] = 254 << 8;
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
// enforce constantly increasing
|
||||
for (j = 0; j < 3; j++)
|
||||
{
|
||||
for (i = 1; i < 256; i++)
|
||||
{
|
||||
if (table[j][i] < table[j][i-1])
|
||||
table[j][i] = table[j][i-1];
|
||||
}
|
||||
}
|
||||
|
||||
if (SDL_SetWindowGammaRamp(SDL_window, table[0], table[1], table[2]) < 0)
|
||||
{
|
||||
ri.Printf( PRINT_DEVELOPER, "SDL_SetWindowGammaRamp() failed: %s\n", SDL_GetError() );
|
||||
}
|
||||
}
|
||||
|
||||
867
code/sdl/sdl_glimp.c
Normal file
867
code/sdl/sdl_glimp.c
Normal file
|
|
@ -0,0 +1,867 @@
|
|||
/*
|
||||
===========================================================================
|
||||
Copyright (C) 1999-2005 Id Software, Inc.
|
||||
|
||||
This file is part of Quake III Arena source code.
|
||||
|
||||
Quake III Arena source code is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the License,
|
||||
or (at your option) any later version.
|
||||
|
||||
Quake III Arena source code is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with Quake III Arena source code; if not, write to the Free Software
|
||||
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
===========================================================================
|
||||
*/
|
||||
|
||||
#ifdef USE_LOCAL_HEADERS
|
||||
# include "SDL.h"
|
||||
#else
|
||||
# include <SDL.h>
|
||||
#endif
|
||||
|
||||
#include <stdarg.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
|
||||
#include "../renderercommon/tr_common.h"
|
||||
#include "../sys/sys_local.h"
|
||||
#include "sdl_icon.h"
|
||||
|
||||
typedef enum
|
||||
{
|
||||
RSERR_OK,
|
||||
|
||||
RSERR_INVALID_FULLSCREEN,
|
||||
RSERR_INVALID_MODE,
|
||||
|
||||
RSERR_UNKNOWN
|
||||
} rserr_t;
|
||||
|
||||
SDL_Window *SDL_window = NULL;
|
||||
static SDL_GLContext SDL_glContext = NULL;
|
||||
|
||||
cvar_t *r_allowSoftwareGL; // Don't abort out if a hardware visual can't be obtained
|
||||
cvar_t *r_allowResize; // make window resizable
|
||||
cvar_t *r_centerWindow;
|
||||
cvar_t *r_sdlDriver;
|
||||
|
||||
void (APIENTRYP qglActiveTextureARB) (GLenum texture);
|
||||
void (APIENTRYP qglClientActiveTextureARB) (GLenum texture);
|
||||
void (APIENTRYP qglMultiTexCoord2fARB) (GLenum target, GLfloat s, GLfloat t);
|
||||
|
||||
void (APIENTRYP qglLockArraysEXT) (GLint first, GLsizei count);
|
||||
void (APIENTRYP qglUnlockArraysEXT) (void);
|
||||
|
||||
/*
|
||||
===============
|
||||
GLimp_Shutdown
|
||||
===============
|
||||
*/
|
||||
void GLimp_Shutdown( void )
|
||||
{
|
||||
ri.IN_Shutdown();
|
||||
|
||||
SDL_QuitSubSystem( SDL_INIT_VIDEO );
|
||||
}
|
||||
|
||||
/*
|
||||
===============
|
||||
GLimp_Minimize
|
||||
|
||||
Minimize the game so that user is back at the desktop
|
||||
===============
|
||||
*/
|
||||
void GLimp_Minimize( void )
|
||||
{
|
||||
SDL_MinimizeWindow( SDL_window );
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
===============
|
||||
GLimp_LogComment
|
||||
===============
|
||||
*/
|
||||
void GLimp_LogComment( const char *comment )
|
||||
{
|
||||
}
|
||||
|
||||
/*
|
||||
===============
|
||||
GLimp_CompareModes
|
||||
===============
|
||||
*/
|
||||
static int GLimp_CompareModes( const void *a, const void *b )
|
||||
{
|
||||
const float ASPECT_EPSILON = 0.001f;
|
||||
SDL_Rect *modeA = (SDL_Rect *)a;
|
||||
SDL_Rect *modeB = (SDL_Rect *)b;
|
||||
float aspectA = (float)modeA->w / (float)modeA->h;
|
||||
float aspectB = (float)modeB->w / (float)modeB->h;
|
||||
int areaA = modeA->w * modeA->h;
|
||||
int areaB = modeB->w * modeB->h;
|
||||
float aspectDiffA = fabs( aspectA - displayAspect );
|
||||
float aspectDiffB = fabs( aspectB - displayAspect );
|
||||
float aspectDiffsDiff = aspectDiffA - aspectDiffB;
|
||||
|
||||
if( aspectDiffsDiff > ASPECT_EPSILON )
|
||||
return 1;
|
||||
else if( aspectDiffsDiff < -ASPECT_EPSILON )
|
||||
return -1;
|
||||
else
|
||||
return areaA - areaB;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
===============
|
||||
GLimp_DetectAvailableModes
|
||||
===============
|
||||
*/
|
||||
static void GLimp_DetectAvailableModes(void)
|
||||
{
|
||||
int i, j;
|
||||
char buf[ MAX_STRING_CHARS ] = { 0 };
|
||||
int numSDLModes;
|
||||
SDL_Rect *modes;
|
||||
int numModes = 0;
|
||||
|
||||
SDL_DisplayMode windowMode;
|
||||
int display = SDL_GetWindowDisplayIndex( SDL_window );
|
||||
if( display < 0 )
|
||||
{
|
||||
ri.Printf( PRINT_WARNING, "Couldn't get window display index, no resolutions detected: %s\n", SDL_GetError() );
|
||||
return;
|
||||
}
|
||||
numSDLModes = SDL_GetNumDisplayModes( display );
|
||||
|
||||
if( SDL_GetWindowDisplayMode( SDL_window, &windowMode ) < 0 || numSDLModes <= 0 )
|
||||
{
|
||||
ri.Printf( PRINT_WARNING, "Couldn't get window display mode, no resolutions detected: %s\n", SDL_GetError() );
|
||||
return;
|
||||
}
|
||||
|
||||
modes = SDL_calloc( (size_t)numSDLModes, sizeof( SDL_Rect ) );
|
||||
if ( !modes )
|
||||
{
|
||||
ri.Error( ERR_FATAL, "Out of memory" );
|
||||
}
|
||||
|
||||
for( i = 0; i < numSDLModes; i++ )
|
||||
{
|
||||
SDL_DisplayMode mode;
|
||||
|
||||
if( SDL_GetDisplayMode( display, i, &mode ) < 0 )
|
||||
continue;
|
||||
|
||||
if( !mode.w || !mode.h )
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "Display supports any resolution\n" );
|
||||
SDL_free( modes );
|
||||
return;
|
||||
}
|
||||
|
||||
if( windowMode.format != mode.format )
|
||||
continue;
|
||||
|
||||
// SDL can give the same resolution with different refresh rates.
|
||||
// Only list resolution once.
|
||||
for( j = 0; j < numModes; j++ )
|
||||
{
|
||||
if( mode.w == modes[ j ].w && mode.h == modes[ j ].h )
|
||||
break;
|
||||
}
|
||||
|
||||
if( j != numModes )
|
||||
continue;
|
||||
|
||||
modes[ numModes ].w = mode.w;
|
||||
modes[ numModes ].h = mode.h;
|
||||
numModes++;
|
||||
}
|
||||
|
||||
if( numModes > 1 )
|
||||
qsort( modes, numModes, sizeof( SDL_Rect ), GLimp_CompareModes );
|
||||
|
||||
for( i = 0; i < numModes; i++ )
|
||||
{
|
||||
const char *newModeString = va( "%ux%u ", modes[ i ].w, modes[ i ].h );
|
||||
|
||||
if( strlen( newModeString ) < (int)sizeof( buf ) - strlen( buf ) )
|
||||
Q_strcat( buf, sizeof( buf ), newModeString );
|
||||
else
|
||||
ri.Printf( PRINT_WARNING, "Skipping mode %ux%u, buffer too small\n", modes[ i ].w, modes[ i ].h );
|
||||
}
|
||||
|
||||
if( *buf )
|
||||
{
|
||||
buf[ strlen( buf ) - 1 ] = 0;
|
||||
ri.Printf( PRINT_ALL, "Available modes: '%s'\n", buf );
|
||||
ri.Cvar_Set( "r_availableModes", buf );
|
||||
}
|
||||
SDL_free( modes );
|
||||
}
|
||||
|
||||
/*
|
||||
===============
|
||||
GLimp_SetMode
|
||||
===============
|
||||
*/
|
||||
static int GLimp_SetMode(int mode, qboolean fullscreen, qboolean noborder)
|
||||
{
|
||||
const char *glstring;
|
||||
int perChannelColorBits;
|
||||
int colorBits, depthBits, stencilBits;
|
||||
int samples;
|
||||
int i = 0;
|
||||
SDL_Surface *icon = NULL;
|
||||
Uint32 flags = SDL_WINDOW_SHOWN | SDL_WINDOW_OPENGL;
|
||||
SDL_DisplayMode desktopMode;
|
||||
int display = 0;
|
||||
int x = SDL_WINDOWPOS_UNDEFINED, y = SDL_WINDOWPOS_UNDEFINED;
|
||||
|
||||
ri.Printf( PRINT_ALL, "Initializing OpenGL display\n");
|
||||
|
||||
if ( r_allowResize->integer )
|
||||
flags |= SDL_WINDOW_RESIZABLE;
|
||||
|
||||
#ifdef USE_ICON
|
||||
icon = SDL_CreateRGBSurfaceFrom(
|
||||
(void *)CLIENT_WINDOW_ICON.pixel_data,
|
||||
CLIENT_WINDOW_ICON.width,
|
||||
CLIENT_WINDOW_ICON.height,
|
||||
CLIENT_WINDOW_ICON.bytes_per_pixel * 8,
|
||||
CLIENT_WINDOW_ICON.bytes_per_pixel * CLIENT_WINDOW_ICON.width,
|
||||
#ifdef Q3_LITTLE_ENDIAN
|
||||
0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000
|
||||
#else
|
||||
0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF
|
||||
#endif
|
||||
);
|
||||
#endif
|
||||
|
||||
// If a window exists, note its display index
|
||||
if( SDL_window != NULL )
|
||||
{
|
||||
display = SDL_GetWindowDisplayIndex( SDL_window );
|
||||
if( display < 0 )
|
||||
{
|
||||
ri.Printf( PRINT_DEVELOPER, "SDL_GetWindowDisplayIndex() failed: %s\n", SDL_GetError() );
|
||||
}
|
||||
}
|
||||
|
||||
if( display >= 0 && SDL_GetDesktopDisplayMode( display, &desktopMode ) == 0 )
|
||||
{
|
||||
displayAspect = (float)desktopMode.w / (float)desktopMode.h;
|
||||
|
||||
ri.Printf( PRINT_ALL, "Display aspect: %.3f\n", displayAspect );
|
||||
}
|
||||
else
|
||||
{
|
||||
Com_Memset( &desktopMode, 0, sizeof( SDL_DisplayMode ) );
|
||||
|
||||
ri.Printf( PRINT_ALL,
|
||||
"Cannot determine display aspect, assuming 1.333\n" );
|
||||
}
|
||||
|
||||
ri.Printf (PRINT_ALL, "...setting mode %d:", mode );
|
||||
|
||||
if (mode == -2)
|
||||
{
|
||||
// use desktop video resolution
|
||||
if( desktopMode.h > 0 )
|
||||
{
|
||||
glConfig.vidWidth = desktopMode.w;
|
||||
glConfig.vidHeight = desktopMode.h;
|
||||
}
|
||||
else
|
||||
{
|
||||
glConfig.vidWidth = 640;
|
||||
glConfig.vidHeight = 480;
|
||||
ri.Printf( PRINT_ALL,
|
||||
"Cannot determine display resolution, assuming 640x480\n" );
|
||||
}
|
||||
|
||||
glConfig.windowAspect = (float)glConfig.vidWidth / (float)glConfig.vidHeight;
|
||||
}
|
||||
else if ( !R_GetModeInfo( &glConfig.vidWidth, &glConfig.vidHeight, &glConfig.windowAspect, mode ) )
|
||||
{
|
||||
ri.Printf( PRINT_ALL, " invalid mode\n" );
|
||||
return RSERR_INVALID_MODE;
|
||||
}
|
||||
ri.Printf( PRINT_ALL, " %d %d\n", glConfig.vidWidth, glConfig.vidHeight);
|
||||
|
||||
// Center window
|
||||
if( r_centerWindow->integer && !fullscreen )
|
||||
{
|
||||
x = ( desktopMode.w / 2 ) - ( glConfig.vidWidth / 2 );
|
||||
y = ( desktopMode.h / 2 ) - ( glConfig.vidHeight / 2 );
|
||||
}
|
||||
|
||||
// Destroy existing state if it exists
|
||||
if( SDL_glContext != NULL )
|
||||
{
|
||||
SDL_GL_DeleteContext( SDL_glContext );
|
||||
SDL_glContext = NULL;
|
||||
}
|
||||
|
||||
if( SDL_window != NULL )
|
||||
{
|
||||
SDL_GetWindowPosition( SDL_window, &x, &y );
|
||||
ri.Printf( PRINT_DEVELOPER, "Existing window at %dx%d before being destroyed\n", x, y );
|
||||
SDL_DestroyWindow( SDL_window );
|
||||
SDL_window = NULL;
|
||||
}
|
||||
|
||||
if( fullscreen )
|
||||
{
|
||||
flags |= SDL_WINDOW_FULLSCREEN;
|
||||
glConfig.isFullscreen = qtrue;
|
||||
}
|
||||
else
|
||||
{
|
||||
if( noborder )
|
||||
flags |= SDL_WINDOW_BORDERLESS;
|
||||
|
||||
glConfig.isFullscreen = qfalse;
|
||||
}
|
||||
|
||||
colorBits = r_colorbits->value;
|
||||
if ((!colorBits) || (colorBits >= 32))
|
||||
colorBits = 24;
|
||||
|
||||
if (!r_depthbits->value)
|
||||
depthBits = 24;
|
||||
else
|
||||
depthBits = r_depthbits->value;
|
||||
|
||||
stencilBits = r_stencilbits->value;
|
||||
samples = r_ext_multisample->value;
|
||||
|
||||
for (i = 0; i < 16; i++)
|
||||
{
|
||||
int testColorBits, testDepthBits, testStencilBits;
|
||||
|
||||
// 0 - default
|
||||
// 1 - minus colorBits
|
||||
// 2 - minus depthBits
|
||||
// 3 - minus stencil
|
||||
if ((i % 4) == 0 && i)
|
||||
{
|
||||
// one pass, reduce
|
||||
switch (i / 4)
|
||||
{
|
||||
case 2 :
|
||||
if (colorBits == 24)
|
||||
colorBits = 16;
|
||||
break;
|
||||
case 1 :
|
||||
if (depthBits == 24)
|
||||
depthBits = 16;
|
||||
else if (depthBits == 16)
|
||||
depthBits = 8;
|
||||
case 3 :
|
||||
if (stencilBits == 24)
|
||||
stencilBits = 16;
|
||||
else if (stencilBits == 16)
|
||||
stencilBits = 8;
|
||||
}
|
||||
}
|
||||
|
||||
testColorBits = colorBits;
|
||||
testDepthBits = depthBits;
|
||||
testStencilBits = stencilBits;
|
||||
|
||||
if ((i % 4) == 3)
|
||||
{ // reduce colorBits
|
||||
if (testColorBits == 24)
|
||||
testColorBits = 16;
|
||||
}
|
||||
|
||||
if ((i % 4) == 2)
|
||||
{ // reduce depthBits
|
||||
if (testDepthBits == 24)
|
||||
testDepthBits = 16;
|
||||
else if (testDepthBits == 16)
|
||||
testDepthBits = 8;
|
||||
}
|
||||
|
||||
if ((i % 4) == 1)
|
||||
{ // reduce stencilBits
|
||||
if (testStencilBits == 24)
|
||||
testStencilBits = 16;
|
||||
else if (testStencilBits == 16)
|
||||
testStencilBits = 8;
|
||||
else
|
||||
testStencilBits = 0;
|
||||
}
|
||||
|
||||
if (testColorBits == 24)
|
||||
perChannelColorBits = 8;
|
||||
else
|
||||
perChannelColorBits = 4;
|
||||
|
||||
#ifdef __sgi /* Fix for SGIs grabbing too many bits of color */
|
||||
if (perChannelColorBits == 4)
|
||||
perChannelColorBits = 0; /* Use minimum size for 16-bit color */
|
||||
|
||||
/* Need alpha or else SGIs choose 36+ bit RGB mode */
|
||||
SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, 1);
|
||||
#endif
|
||||
|
||||
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, perChannelColorBits );
|
||||
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, perChannelColorBits );
|
||||
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, perChannelColorBits );
|
||||
SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, testDepthBits );
|
||||
SDL_GL_SetAttribute( SDL_GL_STENCIL_SIZE, testStencilBits );
|
||||
|
||||
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, samples ? 1 : 0 );
|
||||
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, samples );
|
||||
|
||||
if(r_stereoEnabled->integer)
|
||||
{
|
||||
glConfig.stereoEnabled = qtrue;
|
||||
SDL_GL_SetAttribute(SDL_GL_STEREO, 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
glConfig.stereoEnabled = qfalse;
|
||||
SDL_GL_SetAttribute(SDL_GL_STEREO, 0);
|
||||
}
|
||||
|
||||
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
|
||||
|
||||
#if 0 // if multisampling is enabled on X11, this causes create window to fail.
|
||||
// If not allowing software GL, demand accelerated
|
||||
if( !r_allowSoftwareGL->integer )
|
||||
SDL_GL_SetAttribute( SDL_GL_ACCELERATED_VISUAL, 1 );
|
||||
#endif
|
||||
|
||||
if( ( SDL_window = SDL_CreateWindow( CLIENT_WINDOW_TITLE, x, y,
|
||||
glConfig.vidWidth, glConfig.vidHeight, flags ) ) == NULL )
|
||||
{
|
||||
ri.Printf( PRINT_DEVELOPER, "SDL_CreateWindow failed: %s\n", SDL_GetError( ) );
|
||||
continue;
|
||||
}
|
||||
|
||||
if( fullscreen )
|
||||
{
|
||||
SDL_DisplayMode mode;
|
||||
|
||||
switch( testColorBits )
|
||||
{
|
||||
case 16: mode.format = SDL_PIXELFORMAT_RGB565; break;
|
||||
case 24: mode.format = SDL_PIXELFORMAT_RGB24; break;
|
||||
default: ri.Printf( PRINT_DEVELOPER, "testColorBits is %d, can't fullscreen\n", testColorBits ); continue;
|
||||
}
|
||||
|
||||
mode.w = glConfig.vidWidth;
|
||||
mode.h = glConfig.vidHeight;
|
||||
mode.refresh_rate = glConfig.displayFrequency = ri.Cvar_Get( "r_displayRefresh", "", 0 )->value;
|
||||
mode.driverdata = NULL;
|
||||
|
||||
if( SDL_SetWindowDisplayMode( SDL_window, &mode ) < 0 )
|
||||
{
|
||||
ri.Printf( PRINT_DEVELOPER, "SDL_SetWindowDisplayMode failed: %s\n", SDL_GetError( ) );
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
SDL_SetWindowIcon( SDL_window, icon );
|
||||
|
||||
if( ( SDL_glContext = SDL_GL_CreateContext( SDL_window ) ) == NULL )
|
||||
{
|
||||
ri.Printf( PRINT_DEVELOPER, "SDL_GL_CreateContext failed: %s\n", SDL_GetError( ) );
|
||||
continue;
|
||||
}
|
||||
|
||||
qglClearColor( 0, 0, 0, 1 );
|
||||
qglClear( GL_COLOR_BUFFER_BIT );
|
||||
SDL_GL_SwapWindow( SDL_window );
|
||||
|
||||
if( SDL_GL_SetSwapInterval( r_swapInterval->integer ) == -1 )
|
||||
{
|
||||
ri.Printf( PRINT_DEVELOPER, "SDL_GL_SetSwapInterval failed: %s\n", SDL_GetError( ) );
|
||||
}
|
||||
|
||||
glConfig.colorBits = testColorBits;
|
||||
glConfig.depthBits = testDepthBits;
|
||||
glConfig.stencilBits = testStencilBits;
|
||||
|
||||
ri.Printf( PRINT_ALL, "Using %d color bits, %d depth, %d stencil display.\n",
|
||||
glConfig.colorBits, glConfig.depthBits, glConfig.stencilBits );
|
||||
break;
|
||||
}
|
||||
|
||||
SDL_FreeSurface( icon );
|
||||
|
||||
if( !SDL_window )
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "Couldn't get a visual\n" );
|
||||
return RSERR_INVALID_MODE;
|
||||
}
|
||||
|
||||
GLimp_DetectAvailableModes();
|
||||
|
||||
glstring = (char *) qglGetString (GL_RENDERER);
|
||||
ri.Printf( PRINT_ALL, "GL_RENDERER: %s\n", glstring );
|
||||
|
||||
return RSERR_OK;
|
||||
}
|
||||
|
||||
/*
|
||||
===============
|
||||
GLimp_StartDriverAndSetMode
|
||||
===============
|
||||
*/
|
||||
static qboolean GLimp_StartDriverAndSetMode(int mode, qboolean fullscreen, qboolean noborder)
|
||||
{
|
||||
rserr_t err;
|
||||
|
||||
if (!SDL_WasInit(SDL_INIT_VIDEO))
|
||||
{
|
||||
const char *driverName;
|
||||
|
||||
if (SDL_Init(SDL_INIT_VIDEO) != 0)
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "SDL_Init( SDL_INIT_VIDEO ) FAILED (%s)\n", SDL_GetError());
|
||||
return qfalse;
|
||||
}
|
||||
|
||||
driverName = SDL_GetCurrentVideoDriver( );
|
||||
ri.Printf( PRINT_ALL, "SDL using driver \"%s\"\n", driverName );
|
||||
ri.Cvar_Set( "r_sdlDriver", driverName );
|
||||
}
|
||||
|
||||
if (fullscreen && ri.Cvar_Get( "in_nograb", "", 0 )->value )
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "Fullscreen not allowed with in_nograb 1\n");
|
||||
ri.Cvar_Set( "r_fullscreen", "0" );
|
||||
r_fullscreen->modified = qfalse;
|
||||
fullscreen = qfalse;
|
||||
}
|
||||
|
||||
err = GLimp_SetMode(mode, fullscreen, noborder);
|
||||
|
||||
switch ( err )
|
||||
{
|
||||
case RSERR_INVALID_FULLSCREEN:
|
||||
ri.Printf( PRINT_ALL, "...WARNING: fullscreen unavailable in this mode\n" );
|
||||
return qfalse;
|
||||
case RSERR_INVALID_MODE:
|
||||
ri.Printf( PRINT_ALL, "...WARNING: could not set the given mode (%d)\n", mode );
|
||||
return qfalse;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return qtrue;
|
||||
}
|
||||
|
||||
static qboolean GLimp_HaveExtension(const char *ext)
|
||||
{
|
||||
const char *ptr = Q_stristr( glConfig.extensions_string, ext );
|
||||
if (ptr == NULL)
|
||||
return qfalse;
|
||||
ptr += strlen(ext);
|
||||
return ((*ptr == ' ') || (*ptr == '\0')); // verify it's complete string.
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
===============
|
||||
GLimp_InitExtensions
|
||||
===============
|
||||
*/
|
||||
static void GLimp_InitExtensions( void )
|
||||
{
|
||||
if ( !r_allowExtensions->integer )
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "* IGNORING OPENGL EXTENSIONS *\n" );
|
||||
return;
|
||||
}
|
||||
|
||||
ri.Printf( PRINT_ALL, "Initializing OpenGL extensions\n" );
|
||||
|
||||
glConfig.textureCompression = TC_NONE;
|
||||
|
||||
// GL_EXT_texture_compression_s3tc
|
||||
if ( GLimp_HaveExtension( "GL_ARB_texture_compression" ) &&
|
||||
GLimp_HaveExtension( "GL_EXT_texture_compression_s3tc" ) )
|
||||
{
|
||||
if ( r_ext_compressed_textures->value )
|
||||
{
|
||||
glConfig.textureCompression = TC_S3TC_ARB;
|
||||
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_compression_s3tc\n" );
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_compression_s3tc\n" );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...GL_EXT_texture_compression_s3tc not found\n" );
|
||||
}
|
||||
|
||||
// GL_S3_s3tc ... legacy extension before GL_EXT_texture_compression_s3tc.
|
||||
if (glConfig.textureCompression == TC_NONE)
|
||||
{
|
||||
if ( GLimp_HaveExtension( "GL_S3_s3tc" ) )
|
||||
{
|
||||
if ( r_ext_compressed_textures->value )
|
||||
{
|
||||
glConfig.textureCompression = TC_S3TC;
|
||||
ri.Printf( PRINT_ALL, "...using GL_S3_s3tc\n" );
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...ignoring GL_S3_s3tc\n" );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...GL_S3_s3tc not found\n" );
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// GL_EXT_texture_env_add
|
||||
glConfig.textureEnvAddAvailable = qfalse;
|
||||
if ( GLimp_HaveExtension( "EXT_texture_env_add" ) )
|
||||
{
|
||||
if ( r_ext_texture_env_add->integer )
|
||||
{
|
||||
glConfig.textureEnvAddAvailable = qtrue;
|
||||
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_env_add\n" );
|
||||
}
|
||||
else
|
||||
{
|
||||
glConfig.textureEnvAddAvailable = qfalse;
|
||||
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_env_add\n" );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...GL_EXT_texture_env_add not found\n" );
|
||||
}
|
||||
|
||||
// GL_ARB_multitexture
|
||||
qglMultiTexCoord2fARB = NULL;
|
||||
qglActiveTextureARB = NULL;
|
||||
qglClientActiveTextureARB = NULL;
|
||||
if ( GLimp_HaveExtension( "GL_ARB_multitexture" ) )
|
||||
{
|
||||
if ( r_ext_multitexture->value )
|
||||
{
|
||||
qglMultiTexCoord2fARB = SDL_GL_GetProcAddress( "glMultiTexCoord2fARB" );
|
||||
qglActiveTextureARB = SDL_GL_GetProcAddress( "glActiveTextureARB" );
|
||||
qglClientActiveTextureARB = SDL_GL_GetProcAddress( "glClientActiveTextureARB" );
|
||||
|
||||
if ( qglActiveTextureARB )
|
||||
{
|
||||
GLint glint = 0;
|
||||
qglGetIntegerv( GL_MAX_TEXTURE_UNITS_ARB, &glint );
|
||||
glConfig.numTextureUnits = (int) glint;
|
||||
if ( glConfig.numTextureUnits > 1 )
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...using GL_ARB_multitexture\n" );
|
||||
}
|
||||
else
|
||||
{
|
||||
qglMultiTexCoord2fARB = NULL;
|
||||
qglActiveTextureARB = NULL;
|
||||
qglClientActiveTextureARB = NULL;
|
||||
ri.Printf( PRINT_ALL, "...not using GL_ARB_multitexture, < 2 texture units\n" );
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...ignoring GL_ARB_multitexture\n" );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...GL_ARB_multitexture not found\n" );
|
||||
}
|
||||
|
||||
// GL_EXT_compiled_vertex_array
|
||||
if ( GLimp_HaveExtension( "GL_EXT_compiled_vertex_array" ) )
|
||||
{
|
||||
if ( r_ext_compiled_vertex_array->value )
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...using GL_EXT_compiled_vertex_array\n" );
|
||||
qglLockArraysEXT = ( void ( APIENTRY * )( GLint, GLint ) ) SDL_GL_GetProcAddress( "glLockArraysEXT" );
|
||||
qglUnlockArraysEXT = ( void ( APIENTRY * )( void ) ) SDL_GL_GetProcAddress( "glUnlockArraysEXT" );
|
||||
if (!qglLockArraysEXT || !qglUnlockArraysEXT)
|
||||
{
|
||||
ri.Error (ERR_FATAL, "bad getprocaddress");
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_compiled_vertex_array\n" );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...GL_EXT_compiled_vertex_array not found\n" );
|
||||
}
|
||||
|
||||
textureFilterAnisotropic = qfalse;
|
||||
if ( GLimp_HaveExtension( "GL_EXT_texture_filter_anisotropic" ) )
|
||||
{
|
||||
if ( r_ext_texture_filter_anisotropic->integer ) {
|
||||
qglGetIntegerv( GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, (GLint *)&maxAnisotropy );
|
||||
if ( maxAnisotropy <= 0 ) {
|
||||
ri.Printf( PRINT_ALL, "...GL_EXT_texture_filter_anisotropic not properly supported!\n" );
|
||||
maxAnisotropy = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_filter_anisotropic (max: %i)\n", maxAnisotropy );
|
||||
textureFilterAnisotropic = qtrue;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_filter_anisotropic\n" );
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "...GL_EXT_texture_filter_anisotropic not found\n" );
|
||||
}
|
||||
}
|
||||
|
||||
#define R_MODE_FALLBACK 3 // 640 * 480
|
||||
|
||||
/*
|
||||
===============
|
||||
GLimp_Init
|
||||
|
||||
This routine is responsible for initializing the OS specific portions
|
||||
of OpenGL
|
||||
===============
|
||||
*/
|
||||
void GLimp_Init( void )
|
||||
{
|
||||
ri.Printf( PRINT_DEVELOPER, "Glimp_Init( )\n" );
|
||||
|
||||
r_allowSoftwareGL = ri.Cvar_Get( "r_allowSoftwareGL", "0", CVAR_LATCH );
|
||||
r_sdlDriver = ri.Cvar_Get( "r_sdlDriver", "", CVAR_ROM );
|
||||
r_allowResize = ri.Cvar_Get( "r_allowResize", "0", CVAR_ARCHIVE | CVAR_LATCH );
|
||||
r_centerWindow = ri.Cvar_Get( "r_centerWindow", "0", CVAR_ARCHIVE | CVAR_LATCH );
|
||||
|
||||
if( ri.Cvar_Get( "com_abnormalExit", "", 0 )->value )
|
||||
{
|
||||
ri.Cvar_Set( "r_mode", va( "%d", R_MODE_FALLBACK ) );
|
||||
ri.Cvar_Set( "r_fullscreen", "0" );
|
||||
ri.Cvar_Set( "r_centerWindow", "0" );
|
||||
ri.Cvar_Set( "com_abnormalExit", "0" );
|
||||
}
|
||||
|
||||
// Create the window and set up the context
|
||||
if(GLimp_StartDriverAndSetMode(r_mode->integer, r_fullscreen->integer, r_noborder->integer))
|
||||
goto success;
|
||||
|
||||
if(GLimp_StartDriverAndSetMode(r_mode->integer, r_fullscreen->integer, qfalse))
|
||||
goto success;
|
||||
|
||||
// Finally, try the default screen resolution
|
||||
if( r_mode->integer != R_MODE_FALLBACK )
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "Setting r_mode %d failed, falling back on r_mode %d\n",
|
||||
r_mode->integer, R_MODE_FALLBACK );
|
||||
|
||||
if(GLimp_StartDriverAndSetMode(R_MODE_FALLBACK, qfalse, qfalse))
|
||||
goto success;
|
||||
}
|
||||
|
||||
// Nothing worked, give up
|
||||
ri.Error( ERR_FATAL, "GLimp_Init() - could not load OpenGL subsystem" );
|
||||
|
||||
success:
|
||||
// These values force the UI to disable driver selection
|
||||
glConfig.driverType = GLDRV_ICD;
|
||||
glConfig.hardwareType = GLHW_GENERIC;
|
||||
|
||||
// Only using SDL_SetWindowBrightness to determine if hardware gamma is supported
|
||||
glConfig.deviceSupportsGamma = !r_ignorehwgamma->integer &&
|
||||
SDL_SetWindowBrightness( SDL_window, 1.0f ) >= 0;
|
||||
|
||||
// get our config strings
|
||||
Q_strncpyz( glConfig.vendor_string, (char *) qglGetString (GL_VENDOR), sizeof( glConfig.vendor_string ) );
|
||||
Q_strncpyz( glConfig.renderer_string, (char *) qglGetString (GL_RENDERER), sizeof( glConfig.renderer_string ) );
|
||||
if (*glConfig.renderer_string && glConfig.renderer_string[strlen(glConfig.renderer_string) - 1] == '\n')
|
||||
glConfig.renderer_string[strlen(glConfig.renderer_string) - 1] = 0;
|
||||
Q_strncpyz( glConfig.version_string, (char *) qglGetString (GL_VERSION), sizeof( glConfig.version_string ) );
|
||||
Q_strncpyz( glConfig.extensions_string, (char *) qglGetString (GL_EXTENSIONS), sizeof( glConfig.extensions_string ) );
|
||||
|
||||
// initialize extensions
|
||||
GLimp_InitExtensions( );
|
||||
|
||||
ri.Cvar_Get( "r_availableModes", "", CVAR_ROM );
|
||||
|
||||
// This depends on SDL_INIT_VIDEO, hence having it here
|
||||
ri.IN_Init( SDL_window );
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
===============
|
||||
GLimp_EndFrame
|
||||
|
||||
Responsible for doing a swapbuffers
|
||||
===============
|
||||
*/
|
||||
void GLimp_EndFrame( void )
|
||||
{
|
||||
// don't flip if drawing to front buffer
|
||||
if ( Q_stricmp( r_drawBuffer->string, "GL_FRONT" ) != 0 )
|
||||
{
|
||||
SDL_GL_SwapWindow( SDL_window );
|
||||
}
|
||||
|
||||
if( r_fullscreen->modified )
|
||||
{
|
||||
int fullscreen;
|
||||
qboolean needToToggle;
|
||||
qboolean sdlToggled = qfalse;
|
||||
|
||||
// Find out the current state
|
||||
fullscreen = !!( SDL_GetWindowFlags( SDL_window ) & SDL_WINDOW_FULLSCREEN );
|
||||
|
||||
if( r_fullscreen->integer && ri.Cvar_Get( "in_nograb", "", 0 )->value )
|
||||
{
|
||||
ri.Printf( PRINT_ALL, "Fullscreen not allowed with in_nograb 1\n");
|
||||
ri.Cvar_Set( "r_fullscreen", "0" );
|
||||
r_fullscreen->modified = qfalse;
|
||||
}
|
||||
|
||||
// Is the state we want different from the current state?
|
||||
needToToggle = !!r_fullscreen->integer != fullscreen;
|
||||
|
||||
if( needToToggle )
|
||||
{
|
||||
sdlToggled = SDL_SetWindowFullscreen( SDL_window, r_fullscreen->integer ) >= 0;
|
||||
|
||||
// SDL_WM_ToggleFullScreen didn't work, so do it the slow way
|
||||
if( !sdlToggled )
|
||||
ri.Cmd_ExecuteText(EXEC_APPEND, "vid_restart\n");
|
||||
|
||||
ri.IN_Restart( );
|
||||
}
|
||||
|
||||
r_fullscreen->modified = qfalse;
|
||||
}
|
||||
}
|
||||
132
code/sdl/sdl_icon.h
Normal file
132
code/sdl/sdl_icon.h
Normal file
|
|
@ -0,0 +1,132 @@
|
|||
/* GIMP RGBA C-Source image dump (sdl_icon.h) */
|
||||
|
||||
static const struct {
|
||||
unsigned int width;
|
||||
unsigned int height;
|
||||
unsigned int bytes_per_pixel; /* 3:RGB, 4:RGBA */
|
||||
unsigned char pixel_data[32 * 32 * 4 + 1];
|
||||
} CLIENT_WINDOW_ICON = {
|
||||
32, 32, 4,
|
||||
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|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0w\0\0\377\0\0\0\0"
|
||||
"w\0\0\377w\0\0\377\0\0\0\0w\0\0\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0w\0\0\377\0\0\0\0w\0\0\377w\0\0\377\0\0\0\0w\0"
|
||||
"\0\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0f\0\0\377f\0\0\377\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0f\0\0\377f\0\0\377"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
|
||||
"\0\0\0\0\0\0\0\0",
|
||||
};
|
||||
|
||||
1006
code/sdl/sdl_input.c
Normal file
1006
code/sdl/sdl_input.c
Normal file
File diff suppressed because it is too large
Load diff
295
code/sdl/sdl_snd.c
Normal file
295
code/sdl/sdl_snd.c
Normal file
|
|
@ -0,0 +1,295 @@
|
|||
/*
|
||||
===========================================================================
|
||||
Copyright (C) 1999-2005 Id Software, Inc.
|
||||
|
||||
This file is part of Quake III Arena source code.
|
||||
|
||||
Quake III Arena source code is free software; you can redistribute it
|
||||
and/or modify it under the terms of the GNU General Public License as
|
||||
published by the Free Software Foundation; either version 2 of the License,
|
||||
or (at your option) any later version.
|
||||
|
||||
Quake III Arena source code is distributed in the hope that it will be
|
||||
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with Quake III Arena source code; if not, write to the Free Software
|
||||
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
===========================================================================
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
|
||||
#ifdef USE_LOCAL_HEADERS
|
||||
# include "SDL.h"
|
||||
#else
|
||||
# include <SDL.h>
|
||||
#endif
|
||||
|
||||
#include "../qcommon/q_shared.h"
|
||||
#include "../client/snd_local.h"
|
||||
|
||||
qboolean snd_inited = qfalse;
|
||||
|
||||
cvar_t *s_sdlBits;
|
||||
cvar_t *s_sdlSpeed;
|
||||
cvar_t *s_sdlChannels;
|
||||
cvar_t *s_sdlDevSamps;
|
||||
cvar_t *s_sdlMixSamps;
|
||||
|
||||
/* The audio callback. All the magic happens here. */
|
||||
static int dmapos = 0;
|
||||
static int dmasize = 0;
|
||||
|
||||
/*
|
||||
===============
|
||||
SNDDMA_AudioCallback
|
||||
===============
|
||||
*/
|
||||
static void SNDDMA_AudioCallback(void *userdata, Uint8 *stream, int len)
|
||||
{
|
||||
int pos = (dmapos * (dma.samplebits/8));
|
||||
if (pos >= dmasize)
|
||||
dmapos = pos = 0;
|
||||
|
||||
if (!snd_inited) /* shouldn't happen, but just in case... */
|
||||
{
|
||||
memset(stream, '\0', len);
|
||||
return;
|
||||
}
|
||||
else
|
||||
{
|
||||
int tobufend = dmasize - pos; /* bytes to buffer's end. */
|
||||
int len1 = len;
|
||||
int len2 = 0;
|
||||
|
||||
if (len1 > tobufend)
|
||||
{
|
||||
len1 = tobufend;
|
||||
len2 = len - len1;
|
||||
}
|
||||
memcpy(stream, dma.buffer + pos, len1);
|
||||
if (len2 <= 0)
|
||||
dmapos += (len1 / (dma.samplebits/8));
|
||||
else /* wraparound? */
|
||||
{
|
||||
memcpy(stream+len1, dma.buffer, len2);
|
||||
dmapos = (len2 / (dma.samplebits/8));
|
||||
}
|
||||
}
|
||||
|
||||
if (dmapos >= dmasize)
|
||||
dmapos = 0;
|
||||
}
|
||||
|
||||
static struct
|
||||
{
|
||||
Uint16 enumFormat;
|
||||
char *stringFormat;
|
||||
} formatToStringTable[ ] =
|
||||
{
|
||||
{ AUDIO_U8, "AUDIO_U8" },
|
||||
{ AUDIO_S8, "AUDIO_S8" },
|
||||
{ AUDIO_U16LSB, "AUDIO_U16LSB" },
|
||||
{ AUDIO_S16LSB, "AUDIO_S16LSB" },
|
||||
{ AUDIO_U16MSB, "AUDIO_U16MSB" },
|
||||
{ AUDIO_S16MSB, "AUDIO_S16MSB" }
|
||||
};
|
||||
|
||||
static int formatToStringTableSize = ARRAY_LEN( formatToStringTable );
|
||||
|
||||
/*
|
||||
===============
|
||||
SNDDMA_PrintAudiospec
|
||||
===============
|
||||
*/
|
||||
static void SNDDMA_PrintAudiospec(const char *str, const SDL_AudioSpec *spec)
|
||||
{
|
||||
int i;
|
||||
char *fmt = NULL;
|
||||
|
||||
Com_Printf("%s:\n", str);
|
||||
|
||||
for( i = 0; i < formatToStringTableSize; i++ ) {
|
||||
if( spec->format == formatToStringTable[ i ].enumFormat ) {
|
||||
fmt = formatToStringTable[ i ].stringFormat;
|
||||
}
|
||||
}
|
||||
|
||||
if( fmt ) {
|
||||
Com_Printf( " Format: %s\n", fmt );
|
||||
} else {
|
||||
Com_Printf( " Format: " S_COLOR_RED "UNKNOWN\n");
|
||||
}
|
||||
|
||||
Com_Printf( " Freq: %d\n", (int) spec->freq );
|
||||
Com_Printf( " Samples: %d\n", (int) spec->samples );
|
||||
Com_Printf( " Channels: %d\n", (int) spec->channels );
|
||||
}
|
||||
|
||||
/*
|
||||
===============
|
||||
SNDDMA_Init
|
||||
===============
|
||||
*/
|
||||
qboolean SNDDMA_Init(void)
|
||||
{
|
||||
SDL_AudioSpec desired;
|
||||
SDL_AudioSpec obtained;
|
||||
int tmp;
|
||||
|
||||
if (snd_inited)
|
||||
return qtrue;
|
||||
|
||||
if (!s_sdlBits) {
|
||||
s_sdlBits = Cvar_Get("s_sdlBits", "16", CVAR_ARCHIVE);
|
||||
s_sdlSpeed = Cvar_Get("s_sdlSpeed", "0", CVAR_ARCHIVE);
|
||||
s_sdlChannels = Cvar_Get("s_sdlChannels", "2", CVAR_ARCHIVE);
|
||||
s_sdlDevSamps = Cvar_Get("s_sdlDevSamps", "0", CVAR_ARCHIVE);
|
||||
s_sdlMixSamps = Cvar_Get("s_sdlMixSamps", "0", CVAR_ARCHIVE);
|
||||
}
|
||||
|
||||
Com_Printf( "SDL_Init( SDL_INIT_AUDIO )... " );
|
||||
|
||||
if (!SDL_WasInit(SDL_INIT_AUDIO))
|
||||
{
|
||||
if (SDL_Init(SDL_INIT_AUDIO) != 0)
|
||||
{
|
||||
Com_Printf( "FAILED (%s)\n", SDL_GetError( ) );
|
||||
return qfalse;
|
||||
}
|
||||
}
|
||||
|
||||
Com_Printf( "OK\n" );
|
||||
|
||||
Com_Printf( "SDL audio driver is \"%s\".\n", SDL_GetCurrentAudioDriver( ) );
|
||||
|
||||
memset(&desired, '\0', sizeof (desired));
|
||||
memset(&obtained, '\0', sizeof (obtained));
|
||||
|
||||
tmp = ((int) s_sdlBits->value);
|
||||
if ((tmp != 16) && (tmp != 8))
|
||||
tmp = 16;
|
||||
|
||||
desired.freq = (int) s_sdlSpeed->value;
|
||||
if(!desired.freq) desired.freq = 22050;
|
||||
desired.format = ((tmp == 16) ? AUDIO_S16SYS : AUDIO_U8);
|
||||
|
||||
// I dunno if this is the best idea, but I'll give it a try...
|
||||
// should probably check a cvar for this...
|
||||
if (s_sdlDevSamps->value)
|
||||
desired.samples = s_sdlDevSamps->value;
|
||||
else
|
||||
{
|
||||
// just pick a sane default.
|
||||
if (desired.freq <= 11025)
|
||||
desired.samples = 256;
|
||||
else if (desired.freq <= 22050)
|
||||
desired.samples = 512;
|
||||
else if (desired.freq <= 44100)
|
||||
desired.samples = 1024;
|
||||
else
|
||||
desired.samples = 2048; // (*shrug*)
|
||||
}
|
||||
|
||||
desired.channels = (int) s_sdlChannels->value;
|
||||
desired.callback = SNDDMA_AudioCallback;
|
||||
|
||||
if (SDL_OpenAudio(&desired, &obtained) == -1)
|
||||
{
|
||||
Com_Printf("SDL_OpenAudio() failed: %s\n", SDL_GetError());
|
||||
SDL_QuitSubSystem(SDL_INIT_AUDIO);
|
||||
return qfalse;
|
||||
}
|
||||
|
||||
SNDDMA_PrintAudiospec("SDL_AudioSpec", &obtained);
|
||||
|
||||
// dma.samples needs to be big, or id's mixer will just refuse to
|
||||
// work at all; we need to keep it significantly bigger than the
|
||||
// amount of SDL callback samples, and just copy a little each time
|
||||
// the callback runs.
|
||||
// 32768 is what the OSS driver filled in here on my system. I don't
|
||||
// know if it's a good value overall, but at least we know it's
|
||||
// reasonable...this is why I let the user override.
|
||||
tmp = s_sdlMixSamps->value;
|
||||
if (!tmp)
|
||||
tmp = (obtained.samples * obtained.channels) * 10;
|
||||
|
||||
if (tmp & (tmp - 1)) // not a power of two? Seems to confuse something.
|
||||
{
|
||||
int val = 1;
|
||||
while (val < tmp)
|
||||
val <<= 1;
|
||||
|
||||
tmp = val;
|
||||
}
|
||||
|
||||
dmapos = 0;
|
||||
dma.samplebits = obtained.format & 0xFF; // first byte of format is bits.
|
||||
dma.channels = obtained.channels;
|
||||
dma.samples = tmp;
|
||||
dma.submission_chunk = 1;
|
||||
dma.speed = obtained.freq;
|
||||
dmasize = (dma.samples * (dma.samplebits/8));
|
||||
dma.buffer = calloc(1, dmasize);
|
||||
|
||||
Com_Printf("Starting SDL audio callback...\n");
|
||||
SDL_PauseAudio(0); // start callback.
|
||||
|
||||
Com_Printf("SDL audio initialized.\n");
|
||||
snd_inited = qtrue;
|
||||
return qtrue;
|
||||
}
|
||||
|
||||
/*
|
||||
===============
|
||||
SNDDMA_GetDMAPos
|
||||
===============
|
||||
*/
|
||||
int SNDDMA_GetDMAPos(void)
|
||||
{
|
||||
return dmapos;
|
||||
}
|
||||
|
||||
/*
|
||||
===============
|
||||
SNDDMA_Shutdown
|
||||
===============
|
||||
*/
|
||||
void SNDDMA_Shutdown(void)
|
||||
{
|
||||
Com_Printf("Closing SDL audio device...\n");
|
||||
SDL_PauseAudio(1);
|
||||
SDL_CloseAudio();
|
||||
SDL_QuitSubSystem(SDL_INIT_AUDIO);
|
||||
free(dma.buffer);
|
||||
dma.buffer = NULL;
|
||||
dmapos = dmasize = 0;
|
||||
snd_inited = qfalse;
|
||||
Com_Printf("SDL audio device shut down.\n");
|
||||
}
|
||||
|
||||
/*
|
||||
===============
|
||||
SNDDMA_Submit
|
||||
|
||||
Send sound to device if buffer isn't really the dma buffer
|
||||
===============
|
||||
*/
|
||||
void SNDDMA_Submit(void)
|
||||
{
|
||||
SDL_UnlockAudio();
|
||||
}
|
||||
|
||||
/*
|
||||
===============
|
||||
SNDDMA_BeginPainting
|
||||
===============
|
||||
*/
|
||||
void SNDDMA_BeginPainting (void)
|
||||
{
|
||||
SDL_LockAudio();
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue