M src/platform/psp2/main.c → src/platform/psp2/main.c

@@ -152,7 +152,7 @@ .setup = mPSP2Setup,
 		.teardown = mPSP2Teardown,
 		.gameLoaded = mPSP2LoadROM,
 		.gameUnloaded = mPSP2UnloadROM,
-		.prepareForFrame = NULL,
+		.prepareForFrame = mPSP2Swap,
 		.drawFrame = mPSP2Draw,
 		.drawScreenshot = mPSP2DrawScreenshot,
 		.paused = mPSP2Paused,

M src/platform/psp2/psp2-context.c → src/platform/psp2/psp2-context.c

@@ -51,8 +51,8 @@ SM_MAX
 } screenMode;
 
 static void* outputBuffer;
-static vita2d_texture* tex;
-static vita2d_texture* oldTex;
+static int currentTex;
+static vita2d_texture* tex[4];
 static vita2d_texture* screenshot;
 static Thread audioThread;
 static bool interframeBlending = false;
@@ -324,12 +324,14 @@ mInputBindAxis(&runner->core->inputMap, PSP2_INPUT, 1, &desc);
 
 	unsigned width, height;
 	runner->core->desiredVideoDimensions(runner->core, &width, &height);
-	tex = vita2d_create_empty_texture_format(256, toPow2(height), SCE_GXM_TEXTURE_FORMAT_X8U8U8U8_1BGR);
-	oldTex = vita2d_create_empty_texture_format(256, toPow2(height), SCE_GXM_TEXTURE_FORMAT_X8U8U8U8_1BGR);
+	tex[0] = vita2d_create_empty_texture_format(256, toPow2(height), SCE_GXM_TEXTURE_FORMAT_X8U8U8U8_1BGR);
+	tex[1] = vita2d_create_empty_texture_format(256, toPow2(height), SCE_GXM_TEXTURE_FORMAT_X8U8U8U8_1BGR);
+	tex[2] = vita2d_create_empty_texture_format(256, toPow2(height), SCE_GXM_TEXTURE_FORMAT_X8U8U8U8_1BGR);
+	tex[3] = vita2d_create_empty_texture_format(256, toPow2(height), SCE_GXM_TEXTURE_FORMAT_X8U8U8U8_1BGR);
+	currentTex = 0;
 	screenshot = vita2d_create_empty_texture_format(256, toPow2(height), SCE_GXM_TEXTURE_FORMAT_X8U8U8U8_1BGR);
 
-	outputBuffer = anonymousMemoryMap(256 * toPow2(height) * 4);
-	runner->core->setVideoBuffer(runner->core, outputBuffer, 256);
+	runner->core->setVideoBuffer(runner->core, vita2d_texture_get_datap(tex[currentTex]), 256);
 	runner->core->setAudioBufferSize(runner->core, PSP2_SAMPLES);
 
 	rotation.d.sample = _sampleRotation;
@@ -490,8 +492,10 @@
 void mPSP2Teardown(struct mGUIRunner* runner) {
 	UNUSED(runner);
 	CircleBufferDeinit(&rumble.history);
-	vita2d_free_texture(tex);
-	vita2d_free_texture(oldTex);
+	vita2d_free_texture(tex[0]);
+	vita2d_free_texture(tex[1]);
+	vita2d_free_texture(tex[2]);
+	vita2d_free_texture(tex[3]);
 	vita2d_free_texture(screenshot);
 	mappedMemoryFree(outputBuffer, 256 * 256 * 4);
 	frameLimiter = true;
@@ -583,17 +587,18 @@ scalex, scaley,
 	                                    tint);
 }
 
+void mPSP2Swap(struct mGUIRunner* runner) {
+	currentTex = (currentTex + 1) & 3;
+	runner->core->setVideoBuffer(runner->core, vita2d_texture_get_datap(tex[currentTex]), 256);
+}
+
 void mPSP2Draw(struct mGUIRunner* runner, bool faded) {
 	unsigned width, height;
 	runner->core->desiredVideoDimensions(runner->core, &width, &height);
-	void* texpixels = vita2d_texture_get_datap(tex);
 	if (interframeBlending) {
-		void* oldTexpixels = vita2d_texture_get_datap(oldTex);
-		memcpy(oldTexpixels, texpixels, 256 * height * 4);
-		_drawTex(oldTex, width, height, faded, false);
+		_drawTex(tex[(currentTex - 1) & 3], width, height, faded, false);
 	}
-	memcpy(texpixels, outputBuffer, 256 * height * 4);
-	_drawTex(tex, width, height, faded, interframeBlending);
+	_drawTex(tex[currentTex], width, height, faded, interframeBlending);
 }
 
 void mPSP2DrawScreenshot(struct mGUIRunner* runner, const uint32_t* pixels, unsigned width, unsigned height, bool faded) {

M src/platform/psp2/psp2-context.h → src/platform/psp2/psp2-context.h

@@ -20,6 +20,7 @@ void mPSP2UnloadROM(struct mGUIRunner* runner);
 void mPSP2PrepareForFrame(struct mGUIRunner* runner);
 void mPSP2Paused(struct mGUIRunner* runner);
 void mPSP2Unpaused(struct mGUIRunner* runner);
+void mPSP2Swap(struct mGUIRunner* runner);
 void mPSP2Draw(struct mGUIRunner* runner, bool faded);
 void mPSP2DrawScreenshot(struct mGUIRunner* runner, const color_t* pixels, unsigned width, unsigned height, bool faded);
 void mPSP2IncrementScreenMode(struct mGUIRunner* runner);