From 2634c0bb12daeebdf8607c3c7099e89e9a59e2bb Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Thu, 8 Feb 2024 18:26:57 +1100
Subject: [PATCH] PSP: Use cooperative threading for map gen

Also fix OpenAL backend not properly resetting error state before calling important functions that may set the error state
---
 src/Audio.c | 5 ++++-
 src/Core.h  | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Audio.c b/src/Audio.c
index 9fd25836c..509210c84 100644
--- a/src/Audio.c
+++ b/src/Audio.c
@@ -219,7 +219,7 @@ void Audio_Close(struct AudioContext* ctx) {
 	if (ctx->source) {
 		Audio_Stop(ctx);
 		Audio_Reset(ctx);
-		_alGetError();
+		_alGetError(); /* Reset error state */
 	}
 	ClearFree(ctx);
 	AudioBase_Clear(ctx);
@@ -228,6 +228,7 @@ void Audio_Close(struct AudioContext* ctx) {
 cc_result Audio_SetFormat(struct AudioContext* ctx, int channels, int sampleRate) {
 	ALenum i, err;
 	if (!ctx->source) {
+		_alGetError(); /* Reset error state */
 		_alGenSources(1, &ctx->source);
 		if ((err = _alGetError())) return err;
 
@@ -257,6 +258,7 @@ cc_result Audio_QueueChunk(struct AudioContext* ctx, void* chunk, cc_uint32 size
 	
 	if (!ctx->free) return ERR_INVALID_ARGUMENT;
 	buffer = ctx->freeIDs[--ctx->free];
+	_alGetError(); /* Reset error state */
 
 	_alBufferData(buffer, ctx->channels, chunk, size, ctx->sampleRate);
 	if ((err = _alGetError())) return err;
@@ -278,6 +280,7 @@ cc_result Audio_Poll(struct AudioContext* ctx, int* inUse) {
 	*inUse = 0;
 	if (!ctx->source) return 0;
 
+	_alGetError(); /* Reset error state */
 	_alGetSourcei(ctx->source, AL_BUFFERS_PROCESSED, &processed);
 	if ((err = _alGetError())) return err;
 
diff --git a/src/Core.h b/src/Core.h
index 7e1a460d1..cc0a5bdb7 100644
--- a/src/Core.h
+++ b/src/Core.h
@@ -276,6 +276,7 @@ typedef cc_uint8  cc_bool;
 	#define CC_BUILD_PSP
 	#define CC_BUILD_OPENAL
 	#define CC_BUILD_HTTPCLIENT
+	#define CC_BUILD_COOPTHREADED
 	#define CC_BUILD_BEARSSL
 	#define CC_BUILD_LOWMEM
 	#define CC_BUILD_CONSOLE