From 2a0cc4cf8c14a34b42b3722e5b95707898d89dc6 Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Mon, 10 Feb 2020 20:21:50 +1100
Subject: [PATCH] Fix menus not rendering in OpenGL

---
 src/Graphics.c | 7 ++++---
 src/Particle.c | 2 +-
 src/Particle.h | 2 +-
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/Graphics.c b/src/Graphics.c
index f6ee70f77..dac720fc3 100644
--- a/src/Graphics.c
+++ b/src/Graphics.c
@@ -1072,10 +1072,11 @@ static void* tmpData;
 static int tmpSize;
 
 static void* FastAllocTempMem(int size) {
-	if (size <= tmpSize) return tmpData;
-	Mem_Free(tmpData);
+	if (size > tmpSize) {
+		Mem_Free(tmpData);
+		tmpData = Mem_Alloc(size, 1, "Gfx_AllocTempMemory");
+	}
 
-	tmpData = Mem_Alloc(size, 1, "Gfx_AllocTempMemory");
 	tmpSize = size;
 	return tmpData;
 }
diff --git a/src/Particle.c b/src/Particle.c
index fe9c4fc07..634562e04 100644
--- a/src/Particle.c
+++ b/src/Particle.c
@@ -20,7 +20,7 @@ static GfxResourceID Particles_TexId, Particles_VB;
 static RNGState rnd;
 static cc_bool particle_hitTerrain;
 
-void Particle_DoRender(Vec2* size, Vec3* pos, TextureRec* rec, PackedCol col, VertexP3fT2fC4b* v) {
+void Particle_DoRender(const Vec2* size, const Vec3* pos, const TextureRec* rec, PackedCol col, VertexP3fT2fC4b* v) {
 	struct Matrix* view;
 	float sX, sY;
 	Vec3 centre;
diff --git a/src/Particle.h b/src/Particle.h
index c83304199..26980fcfd 100644
--- a/src/Particle.h
+++ b/src/Particle.h
@@ -18,7 +18,7 @@ struct Particle {
 };
 
 /* http://www.opengl-tutorial.org/intermediate-tutorials/billboards-particles/billboards/ */
-void Particle_DoRender(Vec2* size, Vec3* pos, TextureRec* rec, PackedCol col, VertexP3fT2fC4b* vertices);
+void Particle_DoRender(const Vec2* size, const Vec3* pos, const TextureRec* rec, PackedCol col, VertexP3fT2fC4b* vertices);
 void Particles_Render(float t);
 void Particles_Tick(struct ScheduledTask* task);
 void Particles_BreakBlockEffect(IVec3 coords, BlockID oldBlock, BlockID block);