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sdl: vid: rework safegl option

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This commit is contained in:
Alibek Omarov 2019-01-27 02:26:23 +03:00
parent cb7820b45b
commit 103a2fccaa
2 changed files with 66 additions and 61 deletions
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15
engine/client/gl_local.h
View File

@ -609,17 +609,20 @@ typedef struct
typedef enum
{
SAFE_NO,
SAFE_NOACC,
SAFE_NODEPTH,
SAFE_NOATTRIB,
SAFE_DONTCARE
SAFE_NO = 0,
SAFE_NOMSAA, // skip msaa
SAFE_NOACC, // don't set acceleration flag
SAFE_NOSTENCIL, // don't set stencil bits
SAFE_NOALPHA, // don't set alpha bits
SAFE_NODEPTH, // don't set depth bits
SAFE_NOCOLOR, // don't set color bits
SAFE_DONTCARE // ignore everything, let SDL/EGL decide
} safe_context_t;
typedef struct
{
void* context; // handle to GL rendering context
safe_context_t safe;
int safe;
int desktopBitsPixel;
int desktopWidth;

112
engine/platform/sdl/vid_sdl.c
View File

@ -585,14 +585,14 @@ qboolean VID_CreateWindow( int width, int height, qboolean fullscreen )
if( !host.hWnd )
{
Con_Reportf( S_ERROR "VID_CreateWindow: couldn't create '%s': %s\n", wndname, SDL_GetError());
Con_Reportf( S_ERROR "VID_CreateWindow: couldn't create '%s': %s\n", wndname, SDL_GetError());
// remove MSAA, if it present, because
// window creating may fail on GLX visual choose
if( gl_wgl_msaa_samples->value || glw_state.safe >= 0 )
// skip some attribs in hope that context creating will not fail
if( glw_state.safe >= SAFE_NO )
{
Cvar_Set( "gl_wgl_msaa_samples", "0" );
glw_state.safe++;
if( !gl_wgl_msaa_samples->value && glw_state.safe + 1 == SAFE_NOMSAA )
glw_state.safe += 2; // no need to skip msaa, if we already disabled it
else glw_state.safe++;
GL_SetupAttributes(); // re-choose attributes
// try again
@ -719,11 +719,9 @@ static void GL_SetupAttributes( void )
SDL_GL_ResetAttributes();
#ifdef XASH_GLES
SDL_GL_SetAttribute( SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES );
SDL_GL_SetAttribute( SDL_GL_CONTEXT_EGL, 1 );
#ifdef XASH_NANOGL
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION, 1 );
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION, 1 );
@ -731,7 +729,6 @@ static void GL_SetupAttributes( void )
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION, 2 );
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION, 0 );
#endif
#else // GL1.x
#ifndef XASH_GL_STATIC
if( Sys_CheckParm( "-gldebug" ) )
@ -754,77 +751,89 @@ static void GL_SetupAttributes( void )
}
#endif // XASH_GLES
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
if( glw_state.safe > SAFE_DONTCARE )
{
glw_state.safe = -1;
glw_state.safe = -1; // can't retry anymore, can only shutdown engine
return;
}
if( glw_state.safe > SAFE_NO )
Msg("Trying safe opengl mode %d\n", glw_state.safe );
Msg( "Trying safe opengl mode %d\n", glw_state.safe );
if( glw_state.safe >= SAFE_NOACC )
if( glw_state.safe == SAFE_DONTCARE )
return;
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
if( glw_state.safe < SAFE_NOACC )
SDL_GL_SetAttribute( SDL_GL_ACCELERATED_VISUAL, 1 );
Msg ("bpp %d\n", glw_state.desktopBitsPixel );
Msg( "bpp %d\n", glw_state.desktopBitsPixel );
if( glw_state.safe < SAFE_NOSTENCIL )
SDL_GL_SetAttribute( SDL_GL_STENCIL_SIZE, gl_stencilbits->value );
if( glw_state.safe < SAFE_NOALPHA )
SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, 8 );
if( glw_state.safe < SAFE_NODEPTH )
SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 24 );
else if( glw_state.safe < 5 )
else
SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 8 );
if( glw_state.safe < SAFE_NOATTRIB )
if( glw_state.safe < SAFE_NOCOLOR )
{
if( glw_state.desktopBitsPixel >= 24 )
{
if( glw_state.desktopBitsPixel == 32 )
SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, 8 );
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 8 );
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 8 );
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 8 );
}
else
else if( glw_state.desktopBitsPixel >= 16 )
{
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 5 );
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 6 );
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 5 );
}
else
{
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 3 );
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 3 );
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 2 );
}
}
if( glw_state.safe >= SAFE_DONTCARE )
return;
SDL_GL_SetAttribute( SDL_GL_STENCIL_SIZE, gl_stencilbits->value );
switch( (int)gl_wgl_msaa_samples->value )
if( glw_state.safe < SAFE_NOMSAA )
{
case 2:
case 4:
case 8:
case 16:
samples = gl_wgl_msaa_samples->value;
break;
default:
samples = 0; // don't use, because invalid parameter is passed
}
switch( (int)gl_wgl_msaa_samples->value )
{
case 2:
case 4:
case 8:
case 16:
samples = gl_wgl_msaa_samples->value;
break;
default:
samples = 0; // don't use, because invalid parameter is passed
}
if( samples )
{
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, samples);
if( samples )
{
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, 1 );
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, samples );
glConfig.max_multisamples = samples;
glConfig.max_multisamples = samples;
}
else
{
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, 0 );
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, 0 );
glConfig.max_multisamples = 0;
}
}
else
{
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);
glConfig.max_multisamples = 0;
Cvar_Set( "gl_wgl_msaa_samples", "0" );
}
}
@ -849,14 +858,7 @@ qboolean R_Init_Video( void )
glw_state.desktopHeight = displayMode.h;
if( !glw_state.safe && Sys_GetParmFromCmdLine( "-safegl", safe ) )
{
glw_state.safe = Q_atoi( safe );
if( glw_state.safe < SAFE_NOACC || glw_state.safe > SAFE_DONTCARE )
glw_state.safe = SAFE_DONTCARE;
}
if( glw_state.safe < SAFE_NO || glw_state.safe > SAFE_DONTCARE )
return false;
glw_state.safe = bound( SAFE_NO, Q_atoi( safe ), SAFE_DONTCARE );
GL_SetupAttributes();