From ba2980b6615f9041733d2571904a8d9f87153279 Mon Sep 17 00:00:00 2001
From: rw-r-r-0644 <r.r.qwertyuiop.r.r@gmail.com>
Date: Mon, 18 Mar 2019 23:11:18 +0100
Subject: [PATCH] render/wiiu: Allocate normal textures from MEM2

MEM1 fills up very quickly and soon runs out of space for apps with many textures
---
 src/render/wiiu/SDL_render_wiiu.c   |  1 +
 src/render/wiiu/SDL_render_wiiu.h   |  3 +++
 src/render/wiiu/SDL_rtexture_wiiu.c | 16 ++++++++++++----
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/render/wiiu/SDL_render_wiiu.c b/src/render/wiiu/SDL_render_wiiu.c
index 156c50a6f7..a49afb0d29 100644
--- a/src/render/wiiu/SDL_render_wiiu.c
+++ b/src/render/wiiu/SDL_render_wiiu.c
@@ -124,6 +124,7 @@ void WIIU_SDL_CreateWindowTex(SDL_Renderer * renderer, SDL_Window * window)
     data->windowTex = (SDL_Texture) {
         .format = SDL_PIXELFORMAT_RGBA8888,
         .r = 255, .g = 255, .b = 255, .a = 255,
+        .driverdata = WIIU_TEXTURE_MEM1_MAGIC,
     };
 
     SDL_GetWindowSize(window, &data->windowTex.w, &data->windowTex.h);
diff --git a/src/render/wiiu/SDL_render_wiiu.h b/src/render/wiiu/SDL_render_wiiu.h
index 05f216bcd2..68f9ff9101 100644
--- a/src/render/wiiu/SDL_render_wiiu.h
+++ b/src/render/wiiu/SDL_render_wiiu.h
@@ -101,6 +101,9 @@ struct WIIU_TextureData
     int isRendering;
 };
 
+/* Ask texture driver to allocate texture's memory from MEM1 */
+#define WIIU_TEXTURE_MEM1_MAGIC (void *)0xCAFE0001
+
 /* SDL_render API implementation */
 SDL_Renderer *WIIU_SDL_CreateRenderer(SDL_Window * window, Uint32 flags);
 void WIIU_SDL_WindowEvent(SDL_Renderer * renderer,
diff --git a/src/render/wiiu/SDL_rtexture_wiiu.c b/src/render/wiiu/SDL_rtexture_wiiu.c
index e06a719217..7aae30b0d7 100644
--- a/src/render/wiiu/SDL_rtexture_wiiu.c
+++ b/src/render/wiiu/SDL_rtexture_wiiu.c
@@ -38,8 +38,9 @@
 
 int WIIU_SDL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
 {
-    WIIUPixFmt gx2_fmt;
     BOOL res;
+    WIIUPixFmt gx2_fmt;
+    GX2RResourceFlags surface_flags;
     WIIU_TextureData *tdata = (WIIU_TextureData *) SDL_calloc(1, sizeof(*tdata));
     if (!tdata) {
         return SDL_OutOfMemory();
@@ -74,12 +75,19 @@ int WIIU_SDL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
     tdata->cbuf.viewNumSlices = 1;
     GX2InitColorBufferRegs(&tdata->cbuf);
 
+    /* Texture's surface flags */
+    surface_flags = GX2R_RESOURCE_BIND_TEXTURE | GX2R_RESOURCE_BIND_COLOR_BUFFER |
+                    GX2R_RESOURCE_USAGE_CPU_WRITE | GX2R_RESOURCE_USAGE_CPU_READ |
+                    GX2R_RESOURCE_USAGE_GPU_WRITE | GX2R_RESOURCE_USAGE_GPU_READ;
+
+    /* Allocate normal textures from MEM2 */
+    if (texture->driverdata != WIIU_TEXTURE_MEM1_MAGIC)
+        surface_flags |= GX2R_RESOURCE_USAGE_FORCE_MEM2;
+
     /* Allocate the texture's surface */
     res = GX2RCreateSurface(
         &tdata->texture.surface,
-        GX2R_RESOURCE_BIND_TEXTURE | GX2R_RESOURCE_BIND_COLOR_BUFFER |
-        GX2R_RESOURCE_USAGE_CPU_WRITE | GX2R_RESOURCE_USAGE_CPU_READ |
-        GX2R_RESOURCE_USAGE_GPU_WRITE | GX2R_RESOURCE_USAGE_GPU_READ
+        surface_flags
     );
     if (!res) {
         SDL_free(tdata);