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sdl2: -softblit, use smaller texture format 

-softblit uses SDL2 software renderer backend for blitting
This commit is contained in:
Ronald Kinard 2014-07-24 21:27:17 -05:00
parent b19a9077bd
commit 93e00cc694
1 changed files with 41 additions and 50 deletions
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91
src/sdl2/i_video.c
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@ -132,6 +132,7 @@ static SDL_bool mousegrabok = SDL_TRUE;
#define HalfWarpMouse(x,y) SDL_WarpMouseInWindow(window, (Uint16)(x/2),(Uint16)(y/2)) #define HalfWarpMouse(x,y) SDL_WarpMouseInWindow(window, (Uint16)(x/2),(Uint16)(y/2))
static SDL_bool videoblitok = SDL_FALSE; static SDL_bool videoblitok = SDL_FALSE;
static SDL_bool exposevideo = SDL_FALSE; static SDL_bool exposevideo = SDL_FALSE;
static SDL_bool usesdl2soft = SDL_FALSE;
// SDL2 vars // SDL2 vars
SDL_Window *window; SDL_Window *window;
@ -170,10 +171,11 @@ static void Impl_SetWindowIcon(void);
static void SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen) static void SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen)
{ {
static SDL_bool wasfullscreen = SDL_FALSE; static SDL_bool wasfullscreen = SDL_FALSE;
int rmask; Uint32 rmask;
int gmask; Uint32 gmask;
int bmask; Uint32 bmask;
int amask; Uint32 amask;
int bpp = 16;
int sw_texture_format = SDL_PIXELFORMAT_ABGR8888; int sw_texture_format = SDL_PIXELFORMAT_ABGR8888;
realwidth = vid.width; realwidth = vid.width;
@ -181,7 +183,7 @@ static void SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen)
if (window) if (window)
{ {
if (fullscreen && !wasfullscreen) if (fullscreen)
{ {
wasfullscreen = SDL_TRUE; wasfullscreen = SDL_TRUE;
SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN_DESKTOP); SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN_DESKTOP);
@ -202,9 +204,14 @@ static void SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen)
} }
else else
{ {
Impl_CreateWindow(fullscreen ? SDL_TRUE : SDL_FALSE); Impl_CreateWindow(fullscreen);
Impl_SetWindowIcon(); Impl_SetWindowIcon();
wasfullscreen = fullscreen ? SDL_TRUE : SDL_FALSE; wasfullscreen = fullscreen;
SDL_SetWindowSize(window, width, height);
if (fullscreen)
{
SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN_DESKTOP);
}
} }
if (rendermode == render_opengl) if (rendermode == render_opengl)
@ -213,7 +220,7 @@ static void SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen)
SDL_GetWindowSize(window, &sdlw, &sdlh); SDL_GetWindowSize(window, &sdlw, &sdlh);
// Logical fullscreen is not implemented yet for OpenGL, so... // Logical fullscreen is not implemented yet for OpenGL, so...
// Special case handling // Special case handling
if (USE_FULLSCREEN && width != sdlw && height != sdlh) if (fullscreen && width != sdlw && height != sdlh)
{ {
VID_SetMode(VID_GetModeForSize(sdlw, sdlh)); VID_SetMode(VID_GetModeForSize(sdlw, sdlh));
return; return;
@ -223,8 +230,8 @@ static void SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen)
if (rendermode == render_soft) if (rendermode == render_soft)
{ {
SDL_RenderSetLogicalSize(renderer, width, height);
SDL_RenderClear(renderer); SDL_RenderClear(renderer);
SDL_RenderSetLogicalSize(renderer, width, height);
// Set up Texture // Set up Texture
realwidth = width; realwidth = width;
realheight = height; realheight = height;
@ -232,11 +239,16 @@ static void SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen)
{ {
SDL_DestroyTexture(texture); SDL_DestroyTexture(texture);
} }
#ifdef SDL_BIG_ENDIAN
sw_texture_format = SDL_PIXELFORMAT_RGBA8888; if (!usesdl2soft)
#else {
sw_texture_format = SDL_PIXELFORMAT_ABGR8888; sw_texture_format = SDL_PIXELFORMAT_RGB565;
#endif }
else
{
sw_texture_format = SDL_PIXELFORMAT_RGBA8888;
}
texture = SDL_CreateTexture(renderer, sw_texture_format, SDL_TEXTUREACCESS_STREAMING, width, height); texture = SDL_CreateTexture(renderer, sw_texture_format, SDL_TEXTUREACCESS_STREAMING, width, height);
// Set up SW surface // Set up SW surface
@ -244,18 +256,8 @@ static void SDLSetMode(INT32 width, INT32 height, SDL_bool fullscreen)
{ {
SDL_FreeSurface(vidSurface); SDL_FreeSurface(vidSurface);
} }
#ifdef SDL_BIG_ENDIAN SDL_PixelFormatEnumToMasks(sw_texture_format, &bpp, &rmask, &gmask, &bmask, &amask);
rmask = 0xFF000000; vidSurface = SDL_CreateRGBSurface(0, width, height, bpp, rmask, gmask, bmask, amask);
gmask = 0x00FF0000;
bmask = 0x0000FF00;
amask = 0x000000FF;
#else // HEAD HEADS UP THE ASSIGNMENT ORDER IS FLIPPED, I WAS LAZY --Fury
amask = 0xFF000000;
bmask = 0x00FF0000;
gmask = 0x0000FF00;
rmask = 0x000000FF;
#endif
vidSurface = SDL_CreateRGBSurface(0, width, height, 32, rmask, gmask, bmask, amask);
} }
} }
@ -1372,36 +1374,18 @@ void I_FinishUpdate(void)
rect.w = vid.width; rect.w = vid.width;
rect.h = vid.height; rect.h = vid.height;
if (vidSurface->h > vid.height)
rect.y = (Sint16)((vidSurface->h-vid.height)/2);
if (!bufSurface) //Double-Check if (!bufSurface) //Double-Check
{ {
Impl_VideoSetupSDLBuffer(); Impl_VideoSetupSDLBuffer();
} }
if (bufSurface) //Alam: New Way to send video data if (bufSurface)
{ {
void *pixels;
int pitch;
SDL_BlitSurface(bufSurface, NULL, vidSurface, &rect); SDL_BlitSurface(bufSurface, NULL, vidSurface, &rect);
// Fury -- streaming textures are bad on UpdateTexture // Fury -- there's no way around UpdateTexture, the GL backend uses it anyway
SDL_LockSurface(vidSurface); SDL_LockSurface(vidSurface);
SDL_LockTexture(texture, &rect, &pixels, &pitch); SDL_UpdateTexture(texture, &rect, vidSurface->pixels, vidSurface->pitch);
if (pitch == vidSurface->pitch)
{
M_Memcpy(pixels, vidSurface->pixels, (pitch * vid.height));
}
else
{
SDL_UnlockTexture(texture);
SDL_UnlockSurface(vidSurface);
I_Error("The intermediate buffer and final texture types are not the same.\n");
}
SDL_UnlockTexture(texture);
SDL_UnlockSurface(vidSurface); SDL_UnlockSurface(vidSurface);
} }
// Blit buffer to texture
SDL_RenderCopy(renderer, texture, NULL, NULL); SDL_RenderCopy(renderer, texture, NULL, NULL);
SDL_RenderPresent(renderer); SDL_RenderPresent(renderer);
} }
@ -1705,7 +1689,7 @@ static SDL_bool Impl_CreateWindow(SDL_bool fullscreen)
realwidth, realheight, flags); realwidth, realheight, flags);
if (window != NULL) if (window != NULL)
{ {
renderer = SDL_CreateRenderer(window, -1, 0); renderer = SDL_CreateRenderer(window, -1, (usesdl2soft ? SDL_RENDERER_SOFTWARE : 0) | (cv_vidwait.value && !usesdl2soft ? SDL_RENDERER_PRESENTVSYNC : 0));
if (renderer != NULL) if (renderer != NULL)
{ {
SDL_RenderSetLogicalSize(renderer, BASEVIDWIDTH, BASEVIDHEIGHT); SDL_RenderSetLogicalSize(renderer, BASEVIDWIDTH, BASEVIDHEIGHT);
@ -1831,7 +1815,13 @@ void I_StartupGraphics(void)
framebuffer = SDL_TRUE; framebuffer = SDL_TRUE;
} }
if (M_CheckParm("-software")) if (M_CheckParm("-software"))
{
rendermode = render_soft; rendermode = render_soft;
}
if (M_CheckParm("-softblit"))
{
usesdl2soft = SDL_TRUE;
}
//SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY>>1,SDL_DEFAULT_REPEAT_INTERVAL<<2); //SDL_EnableKeyRepeat(SDL_DEFAULT_REPEAT_DELAY>>1,SDL_DEFAULT_REPEAT_INTERVAL<<2);
SDLESSet(); SDLESSet();
VID_Command_ModeList_f(); VID_Command_ModeList_f();
@ -1878,8 +1868,9 @@ void I_StartupGraphics(void)
// SDL_GL_LoadLibrary to work well on Windows // SDL_GL_LoadLibrary to work well on Windows
// Create window // Create window
Impl_CreateWindow(USE_FULLSCREEN); //Impl_CreateWindow(USE_FULLSCREEN);
Impl_SetWindowName("SRB2"); //Impl_SetWindowName("SRB2");
VID_SetMode(VID_GetModeForSize(BASEVIDWIDTH, BASEVIDHEIGHT));
vid.buffer = NULL; // For software mode vid.buffer = NULL; // For software mode
vid.width = BASEVIDWIDTH; // Default size for startup vid.width = BASEVIDWIDTH; // Default size for startup