ShuriZma
/
mgba
mirror of https://github.com/mgba-emu/mgba.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Rearrange calculation to shave off some more time

This commit is contained in:
Jeffrey Pfau 2013-10-26 01:30:31 -07:00
parent 71b5473563
commit 38116f0ead
1 changed files with 20 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
src/gba/renderers/video-software.c
View File

@ -31,8 +31,8 @@ static void _drawBackgroundMode2(struct GBAVideoSoftwareRenderer* renderer, stru
static void _drawBackgroundMode3(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int y);
static void _drawBackgroundMode4(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int y);
static void _drawBackgroundMode5(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int y);
static void _preprocessTransformedSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBATransformedObj* sprite, int y);
static void _preprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj* sprite, int y);
static int _preprocessTransformedSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBATransformedObj* sprite, int y);
static int _preprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj* sprite, int y);
static void _postprocessSprite(struct GBAVideoSoftwareRenderer* renderer, unsigned priority);
static void _updatePalettes(struct GBAVideoSoftwareRenderer* renderer);
@ -541,14 +541,15 @@ static void _drawScanline(struct GBAVideoSoftwareRenderer* renderer, int y) {
continue;
}
int i;
int drawn;
for (i = 0; i < 128; ++i) {
struct GBAObj* sprite = &renderer->d.oam->obj[i];
if (sprite->transformed) {
spriteLayers |= 1 << sprite->priority;
_preprocessTransformedSprite(renderer, &renderer->d.oam->tobj[i], y);
drawn = _preprocessTransformedSprite(renderer, &renderer->d.oam->tobj[i], y);
spriteLayers |= drawn << sprite->priority;
} else if (!sprite->disable) {
spriteLayers |= 1 << sprite->priority;
_preprocessSprite(renderer, sprite, y);
drawn = _preprocessSprite(renderer, sprite, y);
spriteLayers |= drawn << sprite->priority;
}
}
}
@ -1252,14 +1253,14 @@ static const int _objSizes[32] = {
renderer->row[outX] |= FLAG_OBJWIN; \
}
static void _preprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj* sprite, int y) {
int width = _objSizes[sprite->shape * 8 + sprite->size * 2];
static int _preprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj* sprite, int y) {
int height = _objSizes[sprite->shape * 8 + sprite->size * 2 + 1];
if ((y < sprite->y && (sprite->y + height - 256 < 0 || y >= sprite->y + height - 256)) || y >= sprite->y + height) {
return 0;
}
int width = _objSizes[sprite->shape * 8 + sprite->size * 2];
int start = renderer->start;
int end = renderer->end;
if ((y < sprite->y && (sprite->y + height - 256 < 0 || y >= sprite->y + height - 256)) || y >= sprite->y + height) {
return;
}
uint32_t flags = (sprite->priority << OFFSET_PRIORITY) | FLAG_FINALIZED;
flags |= FLAG_TARGET_1 * ((renderer->currentWindow.blendEnable && renderer->target1Obj && renderer->blendEffect == BLEND_ALPHA) || sprite->mode == OBJ_MODE_SEMITRANSPARENT);
flags |= FLAG_TARGET_2 *renderer->target2Obj;
@ -1291,18 +1292,19 @@ static void _preprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct
SPRITE_NORMAL_LOOP(256, VARIANT);
}
}
return 1;
}
static void _preprocessTransformedSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBATransformedObj* sprite, int y) {
int width = _objSizes[sprite->shape * 8 + sprite->size * 2];
int totalWidth = width << sprite->doublesize;
static int _preprocessTransformedSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBATransformedObj* sprite, int y) {
int height = _objSizes[sprite->shape * 8 + sprite->size * 2 + 1];
int totalHeight = height << sprite->doublesize;
if ((y < sprite->y && (sprite->y + totalHeight - 256 < 0 || y >= sprite->y + totalHeight - 256)) || y >= sprite->y + totalHeight) {
return 0;
}
int width = _objSizes[sprite->shape * 8 + sprite->size * 2];
int totalWidth = width << sprite->doublesize;
int start = renderer->start;
int end = renderer->end;
if ((y < sprite->y && (sprite->y + totalHeight - 256 < 0 || y >= sprite->y + totalHeight - 256)) || y >= sprite->y + totalHeight) {
return;
}
uint32_t flags = (sprite->priority << OFFSET_PRIORITY) | FLAG_FINALIZED;
flags |= FLAG_TARGET_1 * ((renderer->currentWindow.blendEnable && renderer->target1Obj && renderer->blendEffect == BLEND_ALPHA) || sprite->mode == OBJ_MODE_SEMITRANSPARENT);
flags |= FLAG_TARGET_2 * renderer->target2Obj;
@ -1332,6 +1334,7 @@ static void _preprocessTransformedSprite(struct GBAVideoSoftwareRenderer* render
SPRITE_TRANSFORMED_LOOP(256, VARIANT);
}
}
return 1;
}
static void _postprocessSprite(struct GBAVideoSoftwareRenderer* renderer, unsigned priority) {