From 35558f3c8a835103fb0b8f07b1c6efdb9bd087e8 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Mon, 12 Jun 2023 09:13:29 -0700
Subject: Let skyquad take RenderBackend directly.

---
 gfx/include/gfx/util/skyquad.h | 14 +++++++-------
 gfx/src/util/skyquad.c         | 18 ++++++++----------
 2 files changed, 15 insertions(+), 17 deletions(-)

diff --git a/gfx/include/gfx/util/skyquad.h b/gfx/include/gfx/util/skyquad.h
index f792a13..923c6e5 100644
--- a/gfx/include/gfx/util/skyquad.h
+++ b/gfx/include/gfx/util/skyquad.h
@@ -1,14 +1,14 @@
 /// A skyquad is like a skybox but with a single quad.
 #pragma once
 
-typedef struct Gfx         Gfx;
-typedef struct Scene       Scene;
-typedef struct SceneNode   SceneNode;
-typedef struct SceneObject SceneObject;
-typedef struct Texture     Texture;
+typedef struct RenderBackend RenderBackend;
+typedef struct Scene         Scene;
+typedef struct SceneNode     SceneNode;
+typedef struct SceneObject   SceneObject;
+typedef struct Texture       Texture;
 
 /// Create a skyquad.
-SceneObject* gfx_make_skyquad(Gfx*, const Texture*);
+SceneObject* gfx_make_skyquad(RenderBackend*, const Texture*);
 
 /// Set up a skyquad in the scene.
 ///
@@ -19,4 +19,4 @@ SceneObject* gfx_make_skyquad(Gfx*, const Texture*);
 /// Return the light node under which objects affected by the light can be
 /// rooted.
 SceneNode* gfx_setup_skyquad(
-    Gfx*, SceneNode* root, const Texture* environment_map);
+    RenderBackend*, SceneNode* root, const Texture* environment_map);
diff --git a/gfx/src/util/skyquad.c b/gfx/src/util/skyquad.c
index b59d7b9..d0f1cb0 100644
--- a/gfx/src/util/skyquad.c
+++ b/gfx/src/util/skyquad.c
@@ -15,13 +15,10 @@
 
 #include <assert.h>
 
-SceneObject* gfx_make_skyquad(Gfx* gfx, const Texture* texture) {
-  assert(gfx);
-  assert(texture);
-
-  // TODO: pass RenderBackend directly?
-  RenderBackend* render_backend = gfx_get_render_backend(gfx);
+SceneObject* gfx_make_skyquad(
+    RenderBackend* render_backend, const Texture* texture) {
   assert(render_backend);
+  assert(texture);
 
   ShaderProgram* shader   = 0;
   Geometry*      geometry = 0;
@@ -96,7 +93,7 @@ static SceneNode* make_environment_light(
 
   light = gfx_make_light(&(LightDesc){
       .type  = EnvironmentLightType,
-      .light = (EnvironmentLightDesc){.environment_map = environment_light}});
+      .light = {(EnvironmentLightDesc){.environment_map = environment_light}}});
   if (!light) {
     goto cleanup;
   }
@@ -120,8 +117,9 @@ cleanup:
 }
 
 SceneNode* gfx_setup_skyquad(
-    Gfx* gfx, SceneNode* root, const Texture* environment_map) {
-  assert(gfx);
+    RenderBackend* render_backend, SceneNode* root,
+    const Texture* environment_map) {
+  assert(render_backend);
   assert(root);
   assert(environment_map);
 
@@ -130,7 +128,7 @@ SceneNode* gfx_setup_skyquad(
   SceneNode*   light_node     = 0;
 
   // Create the skyquad object.
-  skyquad_object = gfx_make_skyquad(gfx, environment_map);
+  skyquad_object = gfx_make_skyquad(render_backend, environment_map);
   if (!skyquad_object) {
     goto cleanup;
   }
-- 
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