From 029d0e169b154dd60e02a0134da25328f8719de1 Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Mon, 25 Mar 2019 21:39:57 -0700
Subject: [PATCH] Vita: Improved frame drawing speed

---
 CHANGES                          | 1 +
 src/platform/psp2/main.c         | 1 -
 src/platform/psp2/psp2-context.c | 5 ++++-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/CHANGES b/CHANGES
index 4e6a8db8c..4d295c873 100644
--- a/CHANGES
+++ b/CHANGES
@@ -37,6 +37,7 @@ Misc:
  - Qt: Improve camera initialization
  - Qt: Support switching webcams
  - Core: Add keysRead callback
+ - Vita: Improved frame drawing speed
 
 0.7.1: (2019-02-24)
 Bugfixes:
diff --git a/src/platform/psp2/main.c b/src/platform/psp2/main.c
index f5843a911..4dad587d8 100644
--- a/src/platform/psp2/main.c
+++ b/src/platform/psp2/main.c
@@ -36,7 +36,6 @@ static void _drawStart(void) {
 
 static void _drawEnd(void) {
 	vita2d_end_drawing();
-	vita2d_wait_rendering_done();
 	vita2d_swap_buffers();
 }
 
diff --git a/src/platform/psp2/psp2-context.c b/src/platform/psp2/psp2-context.c
index 98f44934c..f5d8b1254 100644
--- a/src/platform/psp2/psp2-context.c
+++ b/src/platform/psp2/psp2-context.c
@@ -324,7 +324,7 @@ void mPSP2Setup(struct mGUIRunner* runner) {
 	tex = vita2d_create_empty_texture_format(256, toPow2(height), SCE_GXM_TEXTURE_FORMAT_X8U8U8U8_1BGR);
 	screenshot = vita2d_create_empty_texture_format(256, toPow2(height), SCE_GXM_TEXTURE_FORMAT_X8U8U8U8_1BGR);
 
-	outputBuffer = vita2d_texture_get_datap(tex);
+	outputBuffer = anonymousMemoryMap(256 * toPow2(height) * 4);
 	runner->core->setVideoBuffer(runner->core, outputBuffer, 256);
 	runner->core->setAudioBufferSize(runner->core, PSP2_SAMPLES);
 
@@ -458,6 +458,7 @@ void mPSP2Teardown(struct mGUIRunner* runner) {
 	CircleBufferDeinit(&rumble.history);
 	vita2d_free_texture(tex);
 	vita2d_free_texture(screenshot);
+	mappedMemoryFree(outputBuffer, 256 * 256 * 4);
 	frameLimiter = true;
 }
 
@@ -525,6 +526,8 @@ void _drawTex(vita2d_texture* t, unsigned width, unsigned height, bool faded) {
 void mPSP2Draw(struct mGUIRunner* runner, bool faded) {
 	unsigned width, height;
 	runner->core->desiredVideoDimensions(runner->core, &width, &height);
+	void* texpixels = vita2d_texture_get_datap(tex);
+	memcpy(texpixels, outputBuffer, 256 * height * 4);
 	_drawTex(tex, width, height, faded);
 }