mirror of https://github.com/mgba-emu/mgba.git
GBA Video: Refactor rendering pipeline
This commit is contained in:
Vicki Pfau
parent
9639d7ad49
commit
242e3c6ec5
|
|
@ -29,6 +29,10 @@ void GBAVideoSoftwareRendererDrawBackgroundMode5(struct GBAVideoSoftwareRenderer
|
|||
int GBAVideoSoftwareRendererPreprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj* sprite, int y);
|
||||
void GBAVideoSoftwareRendererPostprocessSprite(struct GBAVideoSoftwareRenderer* renderer, unsigned priority);
|
||||
|
||||
void GBAVideoSoftwareRendererPreprocessBuffer(struct GBAVideoSoftwareRenderer* renderer, int y);
|
||||
void GBAVideoSoftwareRendererPostprocessBuffer(struct GBAVideoSoftwareRenderer* renderer);
|
||||
int GBAVideoSoftwareRendererPreprocessSpriteLayer(struct GBAVideoSoftwareRenderer* renderer, int y);
|
||||
|
||||
static inline unsigned _brighten(unsigned color, int y);
|
||||
static inline unsigned _darken(unsigned color, int y);
|
||||
static unsigned _mix(int weightA, unsigned colorA, int weightB, unsigned colorB);
|
||||
|
|
@ -217,6 +221,12 @@ static inline void _compositeNoBlendNoObjwin(struct GBAVideoSoftwareRenderer* re
|
|||
localY = y; \
|
||||
}
|
||||
|
||||
#define TEST_LAYER_ENABLED(X) \
|
||||
(softwareRenderer->bg[X].enabled && \
|
||||
(GBAWindowControlIsBg ## X ## Enable(softwareRenderer->currentWindow.packed) || \
|
||||
(GBARegisterDISPCNTIsObjwinEnable(softwareRenderer->dispcnt) && GBAWindowControlIsBg ## X ## Enable (softwareRenderer->objwin.packed))) && \
|
||||
softwareRenderer->bg[X].priority == priority)
|
||||
|
||||
static inline unsigned _brighten(unsigned color, int y) {
|
||||
unsigned c = 0;
|
||||
unsigned a;
|
||||
|
|
|
|||
|
|
@ -37,7 +37,6 @@ static void GBAVideoSoftwareRendererWriteBGY_HI(struct GBAVideoSoftwareBackgroun
|
|||
static void GBAVideoSoftwareRendererWriteBLDCNT(struct GBAVideoSoftwareRenderer* renderer, uint16_t value);
|
||||
|
||||
static void _cleanOAM(struct GBAVideoSoftwareRenderer* renderer);
|
||||
static void _drawScanline(struct GBAVideoSoftwareRenderer* renderer, int y);
|
||||
|
||||
static void _updatePalettes(struct GBAVideoSoftwareRenderer* renderer);
|
||||
|
||||
|
|
@ -494,96 +493,64 @@ static void GBAVideoSoftwareRendererDrawScanline(struct GBAVideoRenderer* render
|
|||
return;
|
||||
}
|
||||
|
||||
int x;
|
||||
for (x = 0; x < softwareRenderer->masterEnd; x += 4) {
|
||||
softwareRenderer->spriteLayer[x] = FLAG_UNWRITTEN;
|
||||
softwareRenderer->spriteLayer[x + 1] = FLAG_UNWRITTEN;
|
||||
softwareRenderer->spriteLayer[x + 2] = FLAG_UNWRITTEN;
|
||||
softwareRenderer->spriteLayer[x + 3] = FLAG_UNWRITTEN;
|
||||
}
|
||||
|
||||
softwareRenderer->windows[0].endX = softwareRenderer->masterEnd;
|
||||
softwareRenderer->nWindows = 1;
|
||||
if (GBARegisterDISPCNTIsWin0Enable(softwareRenderer->dispcnt) || GBARegisterDISPCNTIsWin1Enable(softwareRenderer->dispcnt) || GBARegisterDISPCNTIsObjwinEnable(softwareRenderer->dispcnt)) {
|
||||
softwareRenderer->windows[0].control = softwareRenderer->winout;
|
||||
if (GBARegisterDISPCNTIsWin1Enable(softwareRenderer->dispcnt)) {
|
||||
_breakWindow(softwareRenderer, &softwareRenderer->winN[1], y);
|
||||
}
|
||||
if (GBARegisterDISPCNTIsWin0Enable(softwareRenderer->dispcnt)) {
|
||||
_breakWindow(softwareRenderer, &softwareRenderer->winN[0], y);
|
||||
}
|
||||
} else {
|
||||
softwareRenderer->windows[0].control.packed = 0xFF;
|
||||
}
|
||||
|
||||
GBAVideoSoftwareRendererUpdateDISPCNT(softwareRenderer);
|
||||
GBAVideoSoftwareRendererPreprocessBuffer(softwareRenderer, y);
|
||||
int spriteLayers = GBAVideoSoftwareRendererPreprocessSpriteLayer(softwareRenderer, y);
|
||||
|
||||
int w;
|
||||
x = 0;
|
||||
for (w = 0; w < softwareRenderer->nWindows; ++w) {
|
||||
// TOOD: handle objwin on backdrop
|
||||
uint32_t backdrop = FLAG_UNWRITTEN | FLAG_PRIORITY | FLAG_IS_BACKGROUND;
|
||||
if (!softwareRenderer->target1Bd || softwareRenderer->blendEffect == BLEND_NONE || softwareRenderer->blendEffect == BLEND_ALPHA || !GBAWindowControlIsBlendEnable(softwareRenderer->windows[w].control.packed)) {
|
||||
backdrop |= softwareRenderer->normalPalette[0];
|
||||
} else {
|
||||
backdrop |= softwareRenderer->variantPalette[0];
|
||||
}
|
||||
int end = softwareRenderer->windows[w].endX;
|
||||
for (; x < end - 3; x += 4) {
|
||||
softwareRenderer->row[x] = backdrop;
|
||||
softwareRenderer->row[x + 1] = backdrop;
|
||||
softwareRenderer->row[x + 2] = backdrop;
|
||||
softwareRenderer->row[x + 3] = backdrop;
|
||||
}
|
||||
for (; x < end; ++x) {
|
||||
softwareRenderer->row[x] = backdrop;
|
||||
}
|
||||
}
|
||||
|
||||
_drawScanline(softwareRenderer, y);
|
||||
|
||||
if (softwareRenderer->target2Bd) {
|
||||
x = 0;
|
||||
unsigned priority;
|
||||
for (priority = 0; priority < 4; ++priority) {
|
||||
softwareRenderer->end = 0;
|
||||
for (w = 0; w < softwareRenderer->nWindows; ++w) {
|
||||
uint32_t backdrop = 0;
|
||||
if (!softwareRenderer->target1Bd || softwareRenderer->blendEffect == BLEND_NONE || softwareRenderer->blendEffect == BLEND_ALPHA || !GBAWindowControlIsBlendEnable(softwareRenderer->windows[w].control.packed)) {
|
||||
backdrop |= softwareRenderer->normalPalette[0];
|
||||
} else {
|
||||
backdrop |= softwareRenderer->variantPalette[0];
|
||||
softwareRenderer->start = softwareRenderer->end;
|
||||
softwareRenderer->end = softwareRenderer->windows[w].endX;
|
||||
softwareRenderer->currentWindow = softwareRenderer->windows[w].control;
|
||||
if (spriteLayers & (1 << priority)) {
|
||||
GBAVideoSoftwareRendererPostprocessSprite(softwareRenderer, priority);
|
||||
}
|
||||
int end = softwareRenderer->windows[w].endX;
|
||||
for (; x < end; ++x) {
|
||||
uint32_t color = softwareRenderer->row[x];
|
||||
if (color & FLAG_TARGET_1) {
|
||||
softwareRenderer->row[x] = _mix(softwareRenderer->bldb, backdrop, softwareRenderer->blda, color);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (softwareRenderer->target1Obj && (softwareRenderer->blendEffect == BLEND_DARKEN || softwareRenderer->blendEffect == BLEND_BRIGHTEN)) {
|
||||
x = 0;
|
||||
for (w = 0; w < softwareRenderer->nWindows; ++w) {
|
||||
if (!GBAWindowControlIsBlendEnable(softwareRenderer->windows[w].control.packed)) {
|
||||
continue;
|
||||
}
|
||||
int end = softwareRenderer->windows[w].endX;
|
||||
if (softwareRenderer->blendEffect == BLEND_DARKEN) {
|
||||
for (; x < end; ++x) {
|
||||
uint32_t color = softwareRenderer->row[x];
|
||||
if ((color & 0xFF000000) == FLAG_REBLEND) {
|
||||
softwareRenderer->row[x] = _darken(color, softwareRenderer->bldy);
|
||||
}
|
||||
}
|
||||
} else if (softwareRenderer->blendEffect == BLEND_BRIGHTEN) {
|
||||
for (; x < end; ++x) {
|
||||
uint32_t color = softwareRenderer->row[x];
|
||||
if ((color & 0xFF000000) == FLAG_REBLEND) {
|
||||
softwareRenderer->row[x] = _brighten(color, softwareRenderer->bldy);
|
||||
}
|
||||
if (TEST_LAYER_ENABLED(0) && GBARegisterDISPCNTGetMode(softwareRenderer->dispcnt) < 2) {
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode0(softwareRenderer, &softwareRenderer->bg[0], y);
|
||||
}
|
||||
if (TEST_LAYER_ENABLED(1) && GBARegisterDISPCNTGetMode(softwareRenderer->dispcnt) < 2) {
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode0(softwareRenderer, &softwareRenderer->bg[1], y);
|
||||
}
|
||||
if (TEST_LAYER_ENABLED(2)) {
|
||||
switch (GBARegisterDISPCNTGetMode(softwareRenderer->dispcnt)) {
|
||||
case 0:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode0(softwareRenderer, &softwareRenderer->bg[2], y);
|
||||
break;
|
||||
case 1:
|
||||
case 2:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode2(softwareRenderer, &softwareRenderer->bg[2], y);
|
||||
break;
|
||||
case 3:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode3(softwareRenderer, &softwareRenderer->bg[2], y);
|
||||
break;
|
||||
case 4:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode4(softwareRenderer, &softwareRenderer->bg[2], y);
|
||||
break;
|
||||
case 5:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode5(softwareRenderer, &softwareRenderer->bg[2], y);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (TEST_LAYER_ENABLED(3)) {
|
||||
switch (GBARegisterDISPCNTGetMode(softwareRenderer->dispcnt)) {
|
||||
case 0:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode0(softwareRenderer, &softwareRenderer->bg[3], y);
|
||||
break;
|
||||
case 2:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode2(softwareRenderer, &softwareRenderer->bg[3], y);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
softwareRenderer->bg[2].sx += softwareRenderer->bg[2].dmx;
|
||||
softwareRenderer->bg[2].sy += softwareRenderer->bg[2].dmy;
|
||||
softwareRenderer->bg[3].sx += softwareRenderer->bg[3].dmx;
|
||||
softwareRenderer->bg[3].sy += softwareRenderer->bg[3].dmy;
|
||||
|
||||
GBAVideoSoftwareRendererPostprocessBuffer(softwareRenderer);
|
||||
|
||||
#ifdef COLOR_16_BIT
|
||||
#if defined(__ARM_NEON) && !defined(__APPLE__)
|
||||
|
|
@ -713,13 +680,105 @@ static void GBAVideoSoftwareRendererWriteBLDCNT(struct GBAVideoSoftwareRenderer*
|
|||
}
|
||||
}
|
||||
|
||||
#define TEST_LAYER_ENABLED(X) \
|
||||
(renderer->bg[X].enabled && \
|
||||
(GBAWindowControlIsBg ## X ## Enable(renderer->currentWindow.packed) || \
|
||||
(GBARegisterDISPCNTIsObjwinEnable(renderer->dispcnt) && GBAWindowControlIsBg ## X ## Enable (renderer->objwin.packed))) && \
|
||||
renderer->bg[X].priority == priority)
|
||||
void GBAVideoSoftwareRendererPreprocessBuffer(struct GBAVideoSoftwareRenderer* softwareRenderer, int y) {
|
||||
int x;
|
||||
int masterEnd = softwareRenderer->masterEnd;
|
||||
for (x = 0; x < masterEnd; x += 4) {
|
||||
softwareRenderer->spriteLayer[x] = FLAG_UNWRITTEN;
|
||||
softwareRenderer->spriteLayer[x + 1] = FLAG_UNWRITTEN;
|
||||
softwareRenderer->spriteLayer[x + 2] = FLAG_UNWRITTEN;
|
||||
softwareRenderer->spriteLayer[x + 3] = FLAG_UNWRITTEN;
|
||||
}
|
||||
|
||||
static void _drawScanline(struct GBAVideoSoftwareRenderer* renderer, int y) {
|
||||
softwareRenderer->windows[0].endX = softwareRenderer->masterEnd;
|
||||
softwareRenderer->nWindows = 1;
|
||||
if (GBARegisterDISPCNTIsWin0Enable(softwareRenderer->dispcnt) || GBARegisterDISPCNTIsWin1Enable(softwareRenderer->dispcnt) || GBARegisterDISPCNTIsObjwinEnable(softwareRenderer->dispcnt)) {
|
||||
softwareRenderer->windows[0].control = softwareRenderer->winout;
|
||||
if (GBARegisterDISPCNTIsWin1Enable(softwareRenderer->dispcnt)) {
|
||||
_breakWindow(softwareRenderer, &softwareRenderer->winN[1], y);
|
||||
}
|
||||
if (GBARegisterDISPCNTIsWin0Enable(softwareRenderer->dispcnt)) {
|
||||
_breakWindow(softwareRenderer, &softwareRenderer->winN[0], y);
|
||||
}
|
||||
} else {
|
||||
softwareRenderer->windows[0].control.packed = 0xFF;
|
||||
}
|
||||
|
||||
GBAVideoSoftwareRendererUpdateDISPCNT(softwareRenderer);
|
||||
|
||||
int w;
|
||||
x = 0;
|
||||
for (w = 0; w < softwareRenderer->nWindows; ++w) {
|
||||
// TOOD: handle objwin on backdrop
|
||||
uint32_t backdrop = FLAG_UNWRITTEN | FLAG_PRIORITY | FLAG_IS_BACKGROUND;
|
||||
if (!softwareRenderer->target1Bd || softwareRenderer->blendEffect == BLEND_NONE || softwareRenderer->blendEffect == BLEND_ALPHA || !GBAWindowControlIsBlendEnable(softwareRenderer->windows[w].control.packed)) {
|
||||
backdrop |= softwareRenderer->normalPalette[0];
|
||||
} else {
|
||||
backdrop |= softwareRenderer->variantPalette[0];
|
||||
}
|
||||
int end = softwareRenderer->windows[w].endX;
|
||||
for (; x & 3; ++x) {
|
||||
softwareRenderer->row[x] = backdrop;
|
||||
}
|
||||
for (; x < end - 3; x += 4) {
|
||||
softwareRenderer->row[x] = backdrop;
|
||||
softwareRenderer->row[x + 1] = backdrop;
|
||||
softwareRenderer->row[x + 2] = backdrop;
|
||||
softwareRenderer->row[x + 3] = backdrop;
|
||||
}
|
||||
for (; x < end; ++x) {
|
||||
softwareRenderer->row[x] = backdrop;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void GBAVideoSoftwareRendererPostprocessBuffer(struct GBAVideoSoftwareRenderer* softwareRenderer) {
|
||||
int x, w;
|
||||
if (softwareRenderer->target2Bd) {
|
||||
x = 0;
|
||||
for (w = 0; w < softwareRenderer->nWindows; ++w) {
|
||||
uint32_t backdrop = 0;
|
||||
if (!softwareRenderer->target1Bd || softwareRenderer->blendEffect == BLEND_NONE || softwareRenderer->blendEffect == BLEND_ALPHA || !GBAWindowControlIsBlendEnable(softwareRenderer->windows[w].control.packed)) {
|
||||
backdrop |= softwareRenderer->normalPalette[0];
|
||||
} else {
|
||||
backdrop |= softwareRenderer->variantPalette[0];
|
||||
}
|
||||
int end = softwareRenderer->windows[w].endX;
|
||||
for (; x < end; ++x) {
|
||||
uint32_t color = softwareRenderer->row[x];
|
||||
if (color & FLAG_TARGET_1) {
|
||||
softwareRenderer->row[x] = _mix(softwareRenderer->bldb, backdrop, softwareRenderer->blda, color);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (softwareRenderer->target1Obj && (softwareRenderer->blendEffect == BLEND_DARKEN || softwareRenderer->blendEffect == BLEND_BRIGHTEN)) {
|
||||
x = 0;
|
||||
for (w = 0; w < softwareRenderer->nWindows; ++w) {
|
||||
if (!GBAWindowControlIsBlendEnable(softwareRenderer->windows[w].control.packed)) {
|
||||
continue;
|
||||
}
|
||||
int end = softwareRenderer->windows[w].endX;
|
||||
if (softwareRenderer->blendEffect == BLEND_DARKEN) {
|
||||
for (; x < end; ++x) {
|
||||
uint32_t color = softwareRenderer->row[x];
|
||||
if ((color & 0xFF000000) == FLAG_REBLEND) {
|
||||
softwareRenderer->row[x] = _darken(color, softwareRenderer->bldy);
|
||||
}
|
||||
}
|
||||
} else if (softwareRenderer->blendEffect == BLEND_BRIGHTEN) {
|
||||
for (; x < end; ++x) {
|
||||
uint32_t color = softwareRenderer->row[x];
|
||||
if ((color & 0xFF000000) == FLAG_REBLEND) {
|
||||
softwareRenderer->row[x] = _brighten(color, softwareRenderer->bldy);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int GBAVideoSoftwareRendererPreprocessSpriteLayer(struct GBAVideoSoftwareRenderer* renderer, int y) {
|
||||
int w;
|
||||
renderer->end = 0;
|
||||
int spriteLayers = 0;
|
||||
|
|
@ -757,59 +816,7 @@ static void _drawScanline(struct GBAVideoSoftwareRenderer* renderer, int y) {
|
|||
}
|
||||
}
|
||||
}
|
||||
|
||||
unsigned priority;
|
||||
for (priority = 0; priority < 4; ++priority) {
|
||||
renderer->end = 0;
|
||||
for (w = 0; w < renderer->nWindows; ++w) {
|
||||
renderer->start = renderer->end;
|
||||
renderer->end = renderer->windows[w].endX;
|
||||
renderer->currentWindow = renderer->windows[w].control;
|
||||
if (spriteLayers & (1 << priority)) {
|
||||
GBAVideoSoftwareRendererPostprocessSprite(renderer, priority);
|
||||
}
|
||||
if (TEST_LAYER_ENABLED(0) && GBARegisterDISPCNTGetMode(renderer->dispcnt) < 2) {
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode0(renderer, &renderer->bg[0], y);
|
||||
}
|
||||
if (TEST_LAYER_ENABLED(1) && GBARegisterDISPCNTGetMode(renderer->dispcnt) < 2) {
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode0(renderer, &renderer->bg[1], y);
|
||||
}
|
||||
if (TEST_LAYER_ENABLED(2)) {
|
||||
switch (GBARegisterDISPCNTGetMode(renderer->dispcnt)) {
|
||||
case 0:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode0(renderer, &renderer->bg[2], y);
|
||||
break;
|
||||
case 1:
|
||||
case 2:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode2(renderer, &renderer->bg[2], y);
|
||||
break;
|
||||
case 3:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode3(renderer, &renderer->bg[2], y);
|
||||
break;
|
||||
case 4:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode4(renderer, &renderer->bg[2], y);
|
||||
break;
|
||||
case 5:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode5(renderer, &renderer->bg[2], y);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (TEST_LAYER_ENABLED(3)) {
|
||||
switch (GBARegisterDISPCNTGetMode(renderer->dispcnt)) {
|
||||
case 0:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode0(renderer, &renderer->bg[3], y);
|
||||
break;
|
||||
case 2:
|
||||
GBAVideoSoftwareRendererDrawBackgroundMode2(renderer, &renderer->bg[3], y);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
renderer->bg[2].sx += renderer->bg[2].dmx;
|
||||
renderer->bg[2].sy += renderer->bg[2].dmy;
|
||||
renderer->bg[3].sx += renderer->bg[3].dmx;
|
||||
renderer->bg[3].sy += renderer->bg[3].dmy;
|
||||
return spriteLayers;
|
||||
}
|
||||
|
||||
static void _updatePalettes(struct GBAVideoSoftwareRenderer* renderer) {
|
||||
|
|
|
|||
Loading…
Reference in New Issue