ref: display transformation API

This commit is contained in:
mittorn 2019-10-31 01:36:07 +07:00
parent 5e5ffec67d
commit 7f6395fa7d
10 changed files with 135 additions and 31 deletions

View File

@ -558,7 +558,7 @@ static void SetWidthAndHeightFromCommandLine( void )
return;
}
R_SaveVideoMode( width, height );
R_SaveVideoMode( width, height, width, height );
}
static void SetFullscreenModeFromCommandLine( void )

View File

@ -31,6 +31,10 @@ glwstate_t glw_state;
convar_t *window_xpos;
convar_t *window_ypos;
convar_t *vid_rotate;
convar_t *vid_scale;
/*
=================
VID_StartupGamma
@ -62,19 +66,21 @@ void VID_InitDefaultResolution( void )
R_SaveVideoMode
=================
*/
void R_SaveVideoMode( int w, int h )
void R_SaveVideoMode( int w, int h , int render_w, int render_h )
{
refState.width = w;
refState.height = h;
host.window_center_x = w / 2;
host.window_center_y = h / 2;
Cvar_SetValue( "width", w );
Cvar_SetValue( "height", h );
refState.width = render_w;
refState.height = render_h;
host.renderinfo_changed = false;
// check for 4:3 or 5:4
if( w * 3 != h * 4 && w * 4 != h * 5 )
if( render_w * 3 != render_h * 4 && render_w * 4 != render_h * 5 )
refState.wideScreen = true;
else refState.wideScreen = false;
}
@ -175,6 +181,8 @@ void VID_Init( void )
vid_displayfrequency = Cvar_Get ( "vid_displayfrequency", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "fullscreen refresh rate" );
vid_fullscreen = Cvar_Get( "fullscreen", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "enable fullscreen mode" );
vid_highdpi = Cvar_Get( "vid_highdpi", "1", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "enable High-DPI mode" );
vid_rotate = Cvar_Get( "vid_rotate", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "screen rotation (0-3)" );
vid_scale = Cvar_Get( "vid_scale", "1.0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "pixel scale" );
// a1ba: planned to be named vid_mode for compability
// but supported mode list is filled by backends, so numbers are not portable any more

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@ -34,8 +34,11 @@ extern glwstate_t glw_state;
extern convar_t *vid_fullscreen;
extern convar_t *vid_displayfrequency;
extern convar_t *vid_highdpi;
extern convar_t *vid_rotate;
extern convar_t *vid_scale;
extern convar_t *gl_wgl_msaa_samples;
void R_SaveVideoMode( int w, int h );
void R_SaveVideoMode( int w, int h, int render_w, int render_h );
void VID_CheckChanges( void );
const char *VID_GetModeString( int vid_mode );
void VID_StartupGamma( void );

View File

@ -327,14 +327,34 @@ qboolean VID_SetMode( void )
rserr_t R_ChangeDisplaySettings( int width, int height, qboolean fullscreen )
{
int render_w, render_h;
uint rotate = vid_rotate->value;
Android_GetScreenRes(&width, &height);
render_w = width, render_h = height;
Con_Reportf( "R_ChangeDisplaySettings: forced resolution to %dx%d)\n", width, height);
R_SaveVideoMode( width, height );
if( ref.dllFuncs.R_SetDisplayTransform( rotate, 0, 0, vid_scale->value, vid_scale->value ) )
{
if( rotate & 1 )
{
int swap = render_w;
host.window_center_x = width / 2;
host.window_center_y = height / 2;
render_w = render_h;
render_h = swap;
}
render_h /= vid_scale->value;
render_w /= vid_scale->value;
}
else
{
Con_Printf( S_WARN "failed to setup screen transform\n" );
}
R_SaveVideoMode( width, height, render_w, render_h );
refState.wideScreen = true; // V_AdjustFov will check for widescreen

View File

@ -39,7 +39,7 @@ void GL_SwapBuffers( void )
{
}
void FB_GetScreenRes(int *x, int *y)
void FB_GetScreenRes( int *x, int *y )
{
*x = fb.vinfo.xres;
*y = fb.vinfo.yres;
@ -121,16 +121,32 @@ qboolean VID_SetMode( void )
rserr_t R_ChangeDisplaySettings( int width, int height, qboolean fullscreen )
{
int render_w, render_h;
uint rotate = vid_rotate->value;
FB_GetScreenRes( &width, &height );
render_w = width, render_h = height;
Con_Reportf( "R_ChangeDisplaySettings: forced resolution to %dx%d)\n", width, height);
Con_Reportf( "R_ChangeDisplaySettings: forced resolution to %dx%d)\n", width, height );
R_SaveVideoMode( width, height );
if( ref.dllFuncs.R_SetDisplayTransform( rotate, 0, 0, vid_scale->value, vid_scale->value ) )
{
if( rotate & 1 )
{
int swap = render_w;
host.window_center_x = width / 2;
host.window_center_y = height / 2;
render_w = render_h;
render_h = swap;
}
refState.wideScreen = true; // V_AdjustFov will check for widescreen
render_h /= vid_scale->value;
render_w /= vid_scale->value;
}
else
{
Con_Printf( S_WARN "failed to setup screen transform\n" );
}
R_SaveVideoMode( width, height, render_w, render_h );
return rserr_ok;
}
@ -204,6 +220,13 @@ void SW_UnlockBuffer( void )
qboolean SW_CreateBuffer( int width, int height, uint *stride, uint *bpp, uint *r, uint *g, uint *b )
{
if( width > fb.vinfo.xres_virtual || height > fb.vinfo.yres_virtual )
{
Con_Printf( S_ERROR "requested size %dx%d not fit to framebuffer size %dx%d\n",
width, height, fb.vinfo.xres_virtual, fb.vinfo.yres_virtual );
return false;
}
*bpp = fb.vinfo.bits_per_pixel >> 3;
*stride = fb.vinfo.xres_virtual;
*r = FB_BF_TO_MASK(fb.vinfo.red);

View File

@ -423,14 +423,11 @@ static void SDLash_EventFilter( SDL_Event *event )
VID_RestoreScreenResolution();
break;
case SDL_WINDOWEVENT_RESIZED:
case SDL_WINDOWEVENT_MAXIMIZED:
{
int w = VID_MIN_WIDTH, h = VID_MIN_HEIGHT;
if( vid_fullscreen->value )
break;
SDL_GL_GetDrawableSize( host.hWnd, &w, &h );
R_SaveVideoMode( w, h );
VID_SaveWindowSize( event->window.data1, event->window.data2 );
SCR_VidInit(); // tell the client.dll what vid_mode has changed
break;
}

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@ -28,7 +28,7 @@ void GL_InitExtensions( void );
qboolean GL_CreateContext( void );
qboolean GL_UpdateContext( void );
qboolean GL_DeleteContext( void );
void VID_SaveWindowSize( int width, int height );
#endif // XASH_SDL
#endif // KEYWRAPPER_H

View File

@ -449,7 +449,38 @@ qboolean GL_UpdateContext( void )
return true;
}
qboolean VID_SetScreenResolution( int width, int height )
void VID_SaveWindowSize( int width, int height )
{
int render_w = width, render_h = height;
uint rotate = vid_rotate->value;
if( !glw_state.software )
SDL_GL_GetDrawableSize( host.hWnd, &render_w, &render_h );
else
SDL_RenderSetLogicalSize( sw.renderer, width, height );
if( ref.dllFuncs.R_SetDisplayTransform( rotate, 0, 0, vid_scale->value, vid_scale->value ) )
{
if( rotate & 1 )
{
int swap = render_w;
render_w = render_h;
render_h = swap;
}
render_h /= vid_scale->value;
render_w /= vid_scale->value;
}
else
{
Con_Printf( S_WARN "failed to setup screen transform\n" );
}
R_SaveVideoMode( width, height, render_w, render_h );
}
static qboolean VID_SetScreenResolution( int width, int height )
{
SDL_DisplayMode want, got;
Uint32 wndFlags = 0;
@ -479,9 +510,8 @@ qboolean VID_SetScreenResolution( int width, int height )
SDL_SetWindowGrab( host.hWnd, SDL_TRUE );
SDL_SetWindowSize( host.hWnd, got.w, got.h );
SDL_GL_GetDrawableSize( host.hWnd, &got.w, &got.h );
VID_SaveWindowSize( got.w, got.h );
R_SaveVideoMode( got.w, got.h );
return true;
}
@ -672,9 +702,9 @@ qboolean VID_CreateWindow( int width, int height, qboolean fullscreen )
if( !GL_UpdateContext( ))
return false;
SDL_GL_GetDrawableSize( host.hWnd, &width, &height );
}
R_SaveVideoMode( width, height );
VID_SaveWindowSize( width, height );
return true;
}
@ -906,11 +936,7 @@ rserr_t R_ChangeDisplaySettings( int width, int height, qboolean fullscreen )
#endif
SDL_SetWindowBordered( host.hWnd, SDL_TRUE );
SDL_SetWindowSize( host.hWnd, width, height );
if( !glw_state.software )
SDL_GL_GetDrawableSize( host.hWnd, &width, &height );
else
SDL_RenderSetLogicalSize(sw.renderer, width, height);
R_SaveVideoMode( width, height );
VID_SaveWindowSize( width, height );
}
return rserr_ok;

View File

@ -88,6 +88,7 @@ typedef struct ref_globals_s
// viewport width and height
int width;
int height;
qboolean fullScreen;
qboolean wideScreen;
@ -435,6 +436,7 @@ typedef struct ref_interface_s
// const char *(*R_GetInitError)( void );
void (*R_Shutdown)( void );
const char *(*R_GetConfigName)( void ); // returns config name without extension
qboolean (*R_SetDisplayTransform)( uint rotate, int x, int y, float scale_x, float scale_y );
// only called for GL contexts
void (*GL_SetupAttributes)( int safegl );

View File

@ -308,6 +308,30 @@ void R_ProcessEntData( qboolean allocate )
gEngfuncs.drawFuncs->R_ProcessEntData( allocate );
}
qboolean R_SetDisplayTransform( uint rotate, int offset_x, int offset_y, float scale_x, float scale_y )
{
qboolean ret = true;
if( rotate > 0 )
{
gEngfuncs.Con_Printf("rotation transform not supported\n");
ret = false;
}
if( offset_x || offset_y )
{
gEngfuncs.Con_Printf("offset transform not supported\n");
ret = false;
}
if( scale_x != 1.0f || scale_y != 1.0f )
{
gEngfuncs.Con_Printf("scale transform not supported\n");
ret = false;
}
return ret;
}
static const char *R_GetConfigName( void )
{
return "opengl";
@ -318,6 +342,7 @@ ref_interface_t gReffuncs =
R_Init,
R_Shutdown,
R_GetConfigName,
R_SetDisplayTransform,
GL_SetupAttributes,
GL_InitExtensions,