From c97af692c3a6984428465ab0bc99d56c301b353e Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Sat, 12 Jul 2025 10:50:14 -0700
Subject: Update to use new LLR.

---
 src/backend.c | 54 +++++++++++++++++++++---------------------------------
 1 file changed, 21 insertions(+), 33 deletions(-)

(limited to 'src/backend.c')

diff --git a/src/backend.c b/src/backend.c
index db91647..f610905 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -3,8 +3,10 @@
 
 #include <gfx/core.h>
 #include <gfx/gfx.h>
+#include <gfx/llr/llr.h>
+#include <gfx/llr/material.h>
+#include <gfx/llr/mesh.h>
 #include <gfx/renderer.h>
-#include <gfx/scene.h>
 #include <gfx/util/geometry.h>
 #include <gfx/util/shader.h>
 
@@ -12,8 +14,8 @@
 #include <stdlib.h>
 
 typedef struct IsoBackend {
-  Gfx*   gfx;
-  Scene* scene;
+  Gfx*  gfx;
+  Mesh* quad_mesh;
   /// The screen or "iso screen" refers to the colour buffer of the iso graphics
   /// library. This texture is used to draw the iso screen onto the graphics
   /// window.
@@ -46,14 +48,13 @@ IsoBackend* IsoBackendInit(const IsoGfx* iso) {
   isogfx_get_screen_size(iso, &screen_width, &screen_height);
 
   if (!(backend->screen_texture = gfx_make_texture(
-            gfxcore, &(TextureDesc){
-                         .width     = screen_width,
-                         .height    = screen_height,
-                         .dimension = Texture2D,
-                         .format    = TextureSRGBA8,
-                         .filtering = NearestFiltering,
-                         .wrap      = ClampToEdge,
-                         .mipmaps   = false}))) {
+            gfxcore, &(TextureDesc){.width     = screen_width,
+                                    .height    = screen_height,
+                                    .dimension = Texture2D,
+                                    .format    = TextureSRGBA8,
+                                    .filtering = NearestFiltering,
+                                    .wrap      = ClampToEdge,
+                                    .mipmaps   = false}))) {
     goto cleanup;
   }
 
@@ -68,10 +69,10 @@ IsoBackend* IsoBackendInit(const IsoGfx* iso) {
   }
 
   MaterialDesc material_desc = (MaterialDesc){.num_uniforms = 1};
-  material_desc.uniforms[0]  = (ShaderUniform){
-       .type          = UniformTexture,
-       .value.texture = backend->screen_texture,
-       .name          = sstring_make("Texture")};
+  material_desc.uniforms[0] =
+      (ShaderUniform){.type          = UniformTexture,
+                      .value.texture = backend->screen_texture,
+                      .name          = sstring_make("Texture")};
   Material* material = gfx_make_material(&material_desc);
   if (!material) {
     return false;
@@ -79,22 +80,11 @@ IsoBackend* IsoBackendInit(const IsoGfx* iso) {
 
   const MeshDesc mesh_desc =
       (MeshDesc){.geometry = geometry, .material = material, .shader = shader};
-  Mesh* mesh = gfx_make_mesh(&mesh_desc);
-  if (!mesh) {
+  backend->quad_mesh = gfx_make_mesh(&mesh_desc);
+  if (!backend->quad_mesh) {
     goto cleanup;
   }
 
-  SceneObject* object =
-      gfx_make_object(&(ObjectDesc){.num_meshes = 1, .meshes = {mesh}});
-  if (!object) {
-    goto cleanup;
-  }
-
-  backend->scene  = gfx_make_scene();
-  SceneNode* node = gfx_make_object_node(object);
-  SceneNode* root = gfx_get_scene_root(backend->scene);
-  gfx_set_node_parent(node, root);
-
   return backend;
 
 cleanup:
@@ -153,8 +143,8 @@ void IsoBackendRender(const IsoBackend* app, const IsoGfx* iso) {
   assert(screen);
   gfx_update_texture(app->screen_texture, &(TextureDataDesc){.pixels = screen});
 
-  GfxCore*  gfxcore  = gfx_get_core(app->gfx);
-  Renderer* renderer = gfx_get_renderer(app->gfx);
+  GfxCore* gfxcore  = gfx_get_core(app->gfx);
+  LLR*     renderer = gfx_get_llr(app->gfx);
 
   // Clear the whole window.
   gfx_set_viewport(gfxcore, 0, 0, app->window_width, app->window_height);
@@ -168,9 +158,7 @@ void IsoBackendRender(const IsoBackend* app, const IsoGfx* iso) {
 
   // Render the iso screen.
   gfx_start_frame(gfxcore);
-  gfx_render_scene(
-      renderer, &(RenderSceneParams){
-                    .mode = RenderDefault, .scene = app->scene, .camera = 0});
+  gfx_llr_render_mesh(renderer, app->quad_mesh);
   gfx_end_frame(gfxcore);
 }
 
-- 
cgit v1.2.3