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Disable blending in backgrounds when unnecessary

This commit is contained in:
Jeffrey Pfau 2014-10-11 14:41:28 -07:00
parent bbcf161fec
commit 4ecdcf25f5
1 changed files with 6 additions and 0 deletions
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6
src/gba/renderers/video-software.c
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@ -1193,6 +1193,9 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
int flags = (background->priority << OFFSET_PRIORITY) | (background->index << OFFSET_INDEX) | FLAG_IS_BACKGROUND;
flags |= FLAG_TARGET_1 * (background->target1 && renderer->blendEffect == BLEND_ALPHA);
flags |= FLAG_TARGET_2 * background->target2;
if (renderer->blda == 0x10 && renderer->bldb == 0) {
flags &= ~(FLAG_TARGET_1 | FLAG_TARGET_2);
}
uint32_t screenBase;
uint32_t charBase;
@ -1255,6 +1258,9 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
int flags = (background->priority << OFFSET_PRIORITY) | (background->index << OFFSET_INDEX) | FLAG_IS_BACKGROUND; \
flags |= FLAG_TARGET_1 * (background->target1 && renderer->blendEffect == BLEND_ALPHA); \
flags |= FLAG_TARGET_2 * background->target2; \
if (renderer->blda == 0x10 && renderer->bldb == 0) { \
flags &= ~(FLAG_TARGET_1 | FLAG_TARGET_2); \
} \
int variant = background->target1 && GBAWindowControlIsBlendEnable(renderer->currentWindow.packed) && (renderer->blendEffect == BLEND_BRIGHTEN || renderer->blendEffect == BLEND_DARKEN); \
color_t* palette = renderer->normalPalette; \
if (variant) { \