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Fixed bug 4134 - Render targets lose scale quality after minimizing a fullscreen window

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Olli-Samuli Lehmus

If one creates a window with the SDL_WINDOW_FULLSCREEN_DESKTOP flag, and creates a render target with SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear"), and afterwards sets SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "nearest"), after minimizing the window, the scale quality hint is lost on the render target. Textures however do keep their interpolation modes.
This commit is contained in:
Sam Lantinga 2018-05-07 19:52:25 -07:00
parent c04dca0dad
commit eb14b635cd
10 changed files with 32 additions and 92 deletions
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14
src/render/opengl/SDL_render_gl.c
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@ -703,18 +703,6 @@ convert_format(GL_RenderData *renderdata, Uint32 pixel_format,
return SDL_TRUE;
}
static GLenum
GetScaleQuality(void)
{
const char *hint = SDL_GetHint(SDL_HINT_RENDER_SCALE_QUALITY);
if (!hint || *hint == '0' || SDL_strcasecmp(hint, "nearest") == 0) {
return GL_NEAREST;
} else {
return GL_LINEAR;
}
}
static int
GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
{
@ -803,7 +791,7 @@ GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
data->format = format;
data->formattype = type;
scaleMode = GetScaleQuality();
scaleMode = (texture->scaleMode == SDL_ScaleModeNearest) ? GL_NEAREST : GL_LINEAR;
renderdata->glEnable(data->type);
renderdata->glBindTexture(data->type, data->texture);
renderdata->glTexParameteri(data->type, GL_TEXTURE_MIN_FILTER, scaleMode);