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DS Video: Allow capture of 2D engine

This commit is contained in:
Vicki Pfau 2017-03-04 21:52:25 -08:00
parent 4bde13effb
commit faf99ac304
3 changed files with 29 additions and 6 deletions
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2
include/mgba/internal/ds/video.h
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@ -10,6 +10,7 @@
CXX_GUARD_START
#include <mgba/core/interface.h>
#include <mgba/core/log.h>
#include <mgba/core/timing.h>
#include <mgba/internal/gba/video.h>
@ -95,6 +96,7 @@ struct DSVideoRenderer {
void (*writeOAM)(struct DSVideoRenderer* renderer, uint32_t oam);
void (*invalidateExtPal)(struct DSVideoRenderer* renderer, bool obj, bool engB, int slot);
void (*drawScanline)(struct DSVideoRenderer* renderer, int y);
void (*drawScanlineDirectly)(struct DSVideoRenderer* renderer, int y, color_t* scanline);
void (*finishFrame)(struct DSVideoRenderer* renderer);
void (*getPixels)(struct DSVideoRenderer* renderer, size_t* stride, const void** pixels);

13
src/ds/renderers/software.c
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@ -18,6 +18,7 @@ static void DSVideoSoftwareRendererWritePalette(struct DSVideoRenderer* renderer
static void DSVideoSoftwareRendererWriteOAM(struct DSVideoRenderer* renderer, uint32_t oam);
static void DSVideoSoftwareRendererInvalidateExtPal(struct DSVideoRenderer* renderer, bool obj, bool engB, int slot);
static void DSVideoSoftwareRendererDrawScanline(struct DSVideoRenderer* renderer, int y);
static void DSVideoSoftwareRendererDrawScanlineDirectly(struct DSVideoRenderer* renderer, int y, color_t* scanline);
static void DSVideoSoftwareRendererFinishFrame(struct DSVideoRenderer* renderer);
static void DSVideoSoftwareRendererGetPixels(struct DSVideoRenderer* renderer, size_t* stride, const void** pixels);
static void DSVideoSoftwareRendererPutPixels(struct DSVideoRenderer* renderer, size_t stride, const void* pixels);
@ -139,6 +140,7 @@ void DSVideoSoftwareRendererCreate(struct DSVideoSoftwareRenderer* renderer) {
renderer->d.writeOAM = DSVideoSoftwareRendererWriteOAM;
renderer->d.invalidateExtPal = DSVideoSoftwareRendererInvalidateExtPal;
renderer->d.drawScanline = DSVideoSoftwareRendererDrawScanline;
renderer->d.drawScanlineDirectly = DSVideoSoftwareRendererDrawScanlineDirectly;
renderer->d.finishFrame = DSVideoSoftwareRendererFinishFrame;
renderer->d.getPixels = DSVideoSoftwareRendererGetPixels;
renderer->d.putPixels = DSVideoSoftwareRendererPutPixels;
@ -578,6 +580,17 @@ static void DSVideoSoftwareRendererDrawScanline(struct DSVideoRenderer* renderer
_drawScanlineB(softwareRenderer, y);
}
static void DSVideoSoftwareRendererDrawScanlineDirectly(struct DSVideoRenderer* renderer, int y, color_t* scanline) {
struct DSVideoSoftwareRenderer* softwareRenderer = (struct DSVideoSoftwareRenderer*) renderer;
if (!DSRegisterPOWCNT1IsSwap(softwareRenderer->powcnt)) {
softwareRenderer->engA.outputBuffer = &softwareRenderer->outputBuffer[softwareRenderer->outputBufferStride * DS_VIDEO_VERTICAL_PIXELS];
} else {
softwareRenderer->engA.outputBuffer = softwareRenderer->outputBuffer;
}
DSVideoSoftwareRendererDrawGBAScanline(&softwareRenderer->engA.d, softwareRenderer->d.gx, y);
}
static void DSVideoSoftwareRendererFinishFrame(struct DSVideoRenderer* renderer) {
struct DSVideoSoftwareRenderer* softwareRenderer = (struct DSVideoSoftwareRenderer*) renderer;
softwareRenderer->engA.d.finishFrame(&softwareRenderer->engA.d);

20
src/ds/video.c
View File

@ -23,6 +23,7 @@ static void DSVideoDummyRendererWritePalette(struct DSVideoRenderer* renderer, u
static void DSVideoDummyRendererWriteOAM(struct DSVideoRenderer* renderer, uint32_t oam);
static void DSVideoDummyRendererInvalidateExtPal(struct DSVideoRenderer* renderer, bool obj, bool engB, int slot);
static void DSVideoDummyRendererDrawScanline(struct DSVideoRenderer* renderer, int y);
static void DSVideoDummyRendererDrawScanlineDirectly(struct DSVideoRenderer* renderer, int y, color_t* scanline);
static void DSVideoDummyRendererFinishFrame(struct DSVideoRenderer* renderer);
static void DSVideoDummyRendererGetPixels(struct DSVideoRenderer* renderer, size_t* stride, const void** pixels);
static void DSVideoDummyRendererPutPixels(struct DSVideoRenderer* renderer, size_t stride, const void* pixels);
@ -136,6 +137,7 @@ static struct DSVideoRenderer dummyRenderer = {
.writeOAM = DSVideoDummyRendererWriteOAM,
.invalidateExtPal = DSVideoDummyRendererInvalidateExtPal,
.drawScanline = DSVideoDummyRendererDrawScanline,
.drawScanlineDirectly = DSVideoDummyRendererDrawScanlineDirectly,
.finishFrame = DSVideoDummyRendererFinishFrame,
.getPixels = DSVideoDummyRendererGetPixels,
.putPixels = DSVideoDummyRendererPutPixels,
@ -221,6 +223,7 @@ static void _performCapture(struct DSVideo* video, int y) {
}
uint16_t* vram = &video->vram[0x10000 * block + DSRegisterDISPCAPCNTGetWriteOffset(dispcap) * 0x4000];
const color_t* pixelsA;
color_t pixels[DS_VIDEO_VERTICAL_PIXELS];
int width = DS_VIDEO_HORIZONTAL_PIXELS;
switch (DSRegisterDISPCAPCNTGetCaptureSize(dispcap)) {
case 0:
@ -239,15 +242,13 @@ static void _performCapture(struct DSVideo* video, int y) {
}
video->p->gx.renderer->getScanline(video->p->gx.renderer, y, &pixelsA);
/*if (DSRegisterDISPCAPCNTIsSourceA(dispcap)) {
if (DSRegisterDISPCAPCNTIsSourceA(dispcap)) {
// TODO: Process scanline regardless of output type
video->p->gx.renderer->getScanline(video->p->gx.renderer, y, &pixelsA);
} else {
size_t stride;
const void* pixels;
video->renderer->getPixels(video->renderer, &stride, &pixels);
pixelsA = &((const color_t*) pixels)[stride * y];
}*/
video->renderer->drawScanlineDirectly(video->renderer, y, pixels);
pixelsA = pixels;
}
uint16_t pixel;
int x;
@ -636,6 +637,13 @@ static void DSVideoDummyRendererDrawScanline(struct DSVideoRenderer* renderer, i
// Nothing to do
}
static void DSVideoDummyRendererDrawScanlineDirectly(struct DSVideoRenderer* renderer, int y, color_t* scanline) {
UNUSED(renderer);
UNUSED(y);
UNUSED(scanline);
// Nothing to do
}
static void DSVideoDummyRendererFinishFrame(struct DSVideoRenderer* renderer) {
UNUSED(renderer);
// Nothing to do