From c78954d80d27c2fac7fe24e3c4e7766408706c48 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Sat, 17 Feb 2024 13:16:11 -0800
Subject: Asset cache returns const Texture.

---
 CMakeLists.txt                  |  2 ++
 game/src/plugins/texture_view.c | 14 +++++++-------
 game/src/plugins/viewer.c       |  4 ++--
 gfx/include/gfx/asset.h         |  2 +-
 gfx/src/asset/asset_cache.c     |  4 ++--
 gfx/src/asset/asset_cache.h     |  4 ++--
 6 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6ec4a34..27e4bd6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,7 @@
 cmake_minimum_required(VERSION 3.0)
 
+project(gfx-all)
+
 add_subdirectory(gfx)
 add_subdirectory(gfx-app)
 add_subdirectory(gfx-iso)
diff --git a/game/src/plugins/texture_view.c b/game/src/plugins/texture_view.c
index fda62db..b624f46 100644
--- a/game/src/plugins/texture_view.c
+++ b/game/src/plugins/texture_view.c
@@ -35,13 +35,13 @@ bool init(Game* game, State** pp_state) {
 
   RenderBackend* render_backend = gfx_get_render_backend(game->gfx);
 
-  Texture* texture = gfx_load_texture(
-      render_backend, &(LoadTextureCmd){
-                          .origin                = TextureFromFile,
-                          .type                  = LoadTexture,
-                          .filtering             = LinearFiltering,
-                          .mipmaps               = false,
-                          .data.texture.filepath = mstring_make(texture_file)});
+  const Texture* texture = gfx_load_texture(
+      game->gfx, &(LoadTextureCmd){
+                     .origin                = AssetFromFile,
+                     .type                  = LoadTexture,
+                     .filtering             = LinearFiltering,
+                     .mipmaps               = false,
+                     .data.texture.filepath = mstring_make(texture_file)});
   if (!texture) {
     goto cleanup;
   }
diff --git a/game/src/plugins/viewer.c b/game/src/plugins/viewer.c
index dd7f451..c58b0e0 100644
--- a/game/src/plugins/viewer.c
+++ b/game/src/plugins/viewer.c
@@ -30,7 +30,7 @@ struct State {
 };
 
 /// Load the skyquad texture.
-static Texture* load_environment_map(Gfx* gfx) {
+static const Texture* load_environment_map(Gfx* gfx) {
   assert(gfx);
   return gfx_load_texture(
       gfx, &(LoadTextureCmd){
@@ -56,7 +56,7 @@ static SceneNode* load_skyquad(Gfx* gfx, SceneNode* root) {
 
   RenderBackend* render_backend = gfx_get_render_backend(gfx);
 
-  Texture* environment_map = load_environment_map(gfx);
+  const Texture* environment_map = load_environment_map(gfx);
   if (!environment_map) {
     return 0;
   }
diff --git a/gfx/include/gfx/asset.h b/gfx/include/gfx/asset.h
index c5cc5f8..9845b03 100644
--- a/gfx/include/gfx/asset.h
+++ b/gfx/include/gfx/asset.h
@@ -100,4 +100,4 @@ typedef struct LoadModelCmd {
 Model* gfx_load_model(Gfx*, const LoadModelCmd*);
 
 /// Load a texture.
-Texture* gfx_load_texture(Gfx*, const LoadTextureCmd*);
+const Texture* gfx_load_texture(Gfx*, const LoadTextureCmd*);
diff --git a/gfx/src/asset/asset_cache.c b/gfx/src/asset/asset_cache.c
index 037f62b..0320954 100644
--- a/gfx/src/asset/asset_cache.c
+++ b/gfx/src/asset/asset_cache.c
@@ -139,7 +139,7 @@ Model* gfx_load_model(Gfx* gfx, const LoadModelCmd* cmd) {
   return model;
 }
 
-Texture* gfx_load_texture(Gfx* gfx, const LoadTextureCmd* cmd) {
+const Texture* gfx_load_texture(Gfx* gfx, const LoadTextureCmd* cmd) {
   assert(gfx);
   assert(cmd);
 
@@ -155,7 +155,7 @@ Texture* gfx_load_texture(Gfx* gfx, const LoadTextureCmd* cmd) {
   // Asset not found in the cache.
   // Load it, insert it into the cache, and return it.
   RenderBackend* render_backend = gfx_get_render_backend(gfx);
-  Texture*       texture        = gfx_texture_load(render_backend, cmd);
+  const Texture* texture        = gfx_texture_load(render_backend, cmd);
   if (texture) {
     *(Asset*)mempool_alloc(&cache->assets) = (Asset){
         .type    = TextureAsset,
diff --git a/gfx/src/asset/asset_cache.h b/gfx/src/asset/asset_cache.h
index 22300fd..b2a35ed 100644
--- a/gfx/src/asset/asset_cache.h
+++ b/gfx/src/asset/asset_cache.h
@@ -19,8 +19,8 @@ typedef struct Asset {
   AssetType type;
   Hash      hash;
   union {
-    Model*   model;
-    Texture* texture;
+    Model*         model;
+    const Texture* texture;
   };
 } Asset;
 
-- 
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