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DirectFB: fixed creation of palette textures

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Sylvain 2021-10-01 22:30:51 +02:00
parent 83d600904b
commit 77acd44f28
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GPG key ID: 5F87E02E5BC0939E
2 changed files with 32 additions and 2 deletions
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14
src/render/SDL_render.c
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@ -1146,9 +1146,11 @@ SDL_CreateTexture(SDL_Renderer * renderer, Uint32 format, int access, int w, int
return NULL; return NULL;
} }
if (SDL_ISPIXELFORMAT_INDEXED(format)) { if (SDL_ISPIXELFORMAT_INDEXED(format)) {
if (!IsSupportedFormat(renderer, format)) {
SDL_SetError("Palettized textures are not supported"); SDL_SetError("Palettized textures are not supported");
return NULL; return NULL;
} }
}
if (w <= 0 || h <= 0) { if (w <= 0 || h <= 0) {
SDL_SetError("Texture dimensions can't be 0"); SDL_SetError("Texture dimensions can't be 0");
return NULL; return NULL;
@ -1341,6 +1343,18 @@ SDL_CreateTextureFromSurface(SDL_Renderer * renderer, SDL_Surface * surface)
} else { } else {
SDL_UpdateTexture(texture, NULL, surface->pixels, surface->pitch); SDL_UpdateTexture(texture, NULL, surface->pixels, surface->pitch);
} }
#if SDL_VIDEO_RENDER_DIRECTFB
/* DirectFB allows palette format for textures.
* Copy SDL_Surface palette to the texture */
if (SDL_ISPIXELFORMAT_INDEXED(format)) {
if (SDL_strcasecmp(renderer->info.name, "directfb") == 0) {
extern void DirectFB_SetTexturePalette(SDL_Renderer *renderer, SDL_Texture *texture, SDL_Palette *pal);
DirectFB_SetTexturePalette(renderer, texture, surface->format->palette);
}
}
#endif
} else { } else {
SDL_PixelFormat *dst_fmt; SDL_PixelFormat *dst_fmt;
SDL_Surface *temp = NULL; SDL_Surface *temp = NULL;

16
src/video/directfb/SDL_DirectFB_render.c
View file

@ -324,6 +324,22 @@ DirectFB_AcquireVidLayer(SDL_Renderer * renderer, SDL_Texture * texture)
return 1; return 1;
} }
/* Copy the SDL_Surface palette to the DirectFB texture palette */
void DirectFB_SetTexturePalette(SDL_Renderer *renderer, SDL_Texture *texture, SDL_Palette *pal)
{
int i;
DFBColor dfbpal[256];
DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
for (i = 0; i < pal->ncolors; i++) {
dfbpal[i].a = pal->colors[i].a;
dfbpal[i].r = pal->colors[i].r;
dfbpal[i].g = pal->colors[i].g;
dfbpal[i].b = pal->colors[i].b;
}
data->palette->SetEntries(data->palette, dfbpal, pal->ncolors, 0);
}
static int static int
DirectFB_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture) DirectFB_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{ {