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Palettized textures will always use SDL_SCALEMODE_NEAREST.

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Our algorithm for pixel art doesn't work on 8-bit images, needs further investigation.

Fixes https://github.com/libsdl-org/SDL/issues/14129
This commit is contained in:
Sam Lantinga
2025-10-03 14:29:47 -07:00
parent d333044462
commit 32668c4ddd
2 changed files with 5 additions and 7 deletions
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9
src/render/SDL_render.c
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@@ -1525,9 +1525,8 @@ SDL_Texture *SDL_CreateTextureWithProperties(SDL_Renderer *renderer, SDL_Propert
texture->color.b = 1.0f;
texture->color.a = 1.0f;
texture->blendMode = SDL_ISPIXELFORMAT_ALPHA(format) ? SDL_BLENDMODE_BLEND : SDL_BLENDMODE_NONE;
if (renderer->scale_mode == SDL_SCALEMODE_LINEAR &&
SDL_ISPIXELFORMAT_INDEXED(format)) {
texture->scaleMode = SDL_SCALEMODE_PIXELART;
if (SDL_ISPIXELFORMAT_INDEXED(format)) {
texture->scaleMode = SDL_SCALEMODE_NEAREST;
} else {
texture->scaleMode = renderer->scale_mode;
}
@@ -2163,11 +2162,11 @@ bool SDL_SetTextureScaleMode(SDL_Texture *texture, SDL_ScaleMode scaleMode)
switch (scaleMode) {
case SDL_SCALEMODE_NEAREST:
case SDL_SCALEMODE_PIXELART:
break;
case SDL_SCALEMODE_PIXELART:
case SDL_SCALEMODE_LINEAR:
if (SDL_ISPIXELFORMAT_INDEXED(texture->format)) {
scaleMode = SDL_SCALEMODE_PIXELART;
scaleMode = SDL_SCALEMODE_NEAREST;
}
break;
default: