From bda9501ed2f18c42c361499ec8f234f2e576ab7e Mon Sep 17 00:00:00 2001
From: omniscient <17525998+omnisci3nce@users.noreply.github.com>
Date: Sat, 20 Jul 2024 22:33:17 +1000
Subject: pass shadow texture through to pbr function

---
 src/new_render/render.c  | 12 ++++--------
 src/new_render/shadows.c |  4 ++--
 src/new_render/shadows.h |  3 ++-
 3 files changed, 8 insertions(+), 11 deletions(-)

(limited to 'src')

diff --git a/src/new_render/render.c b/src/new_render/render.c
index 386a356..eea9ad1 100644
--- a/src/new_render/render.c
+++ b/src/new_render/render.c
@@ -146,14 +146,10 @@ void Render_RenderEntities(RenderEnt* entities, size_t entity_count) {
   Renderer* ren = get_renderer();
   RenderScene scene = ren->scene;
 
-  // TODO: -- Shadows
-  // f32 near_plane = 1.0, far_plane = 10.0;
-  // Mat4 light_projection = mat4_orthographic(-10.0, 10.0, -10.0, 10.0, near_plane, far_plane);
-  // Vec3 pos = vec3_negate(scene.sun.direction);
-  // Mat4 light_view = mat4_look_at(pos, VEC3_ZERO, VEC3_Y);
-  // Mat4 light_space_matrix = mat4_mult(light_view, light_projection);
-  // Shadow_ShadowmapExecute(ren->shadows, light_space_matrix, entities, entity_count);
-  PBR_Execute(ren->pbr, scene.camera, INVALID_TEX_HANDLE, entities, entity_count);
+  Shadow_Storage* shadow_storage = Render_GetShadowStorage();
+  TextureHandle depthmap = shadow_storage->enabled ? Shadow_GetShadowMapTexture(shadow_storage) : INVALID_TEX_HANDLE;
+
+  PBR_Execute(ren->pbr, scene.camera, depthmap, entities, entity_count);
 }
 
 TextureData TextureDataLoad(const char* path, bool invert_y) {
diff --git a/src/new_render/shadows.c b/src/new_render/shadows.c
index 758a969..df25e05 100644
--- a/src/new_render/shadows.c
+++ b/src/new_render/shadows.c
@@ -209,6 +209,6 @@ void Shadow_ShadowmapExecute(Shadow_Storage* storage, Mat4 light_space_transform
   GPU_CmdEncoder_EndRender(&shadow_encoder);  // end renderpass
 }
 
-Handle Shadow_GetShadowMapTexture(Shadow_Storage* storage) {
-  return (Handle){ .raw = storage->depth_texture.raw };
+TextureHandle Shadow_GetShadowMapTexture(Shadow_Storage* storage) {
+  return storage->depth_texture;
 }
diff --git a/src/new_render/shadows.h b/src/new_render/shadows.h
index 82439d4..0482d10 100644
--- a/src/new_render/shadows.h
+++ b/src/new_render/shadows.h
@@ -9,6 +9,7 @@
 #include "render_types.h"
 
 typedef struct Shadow_Storage {
+  bool enabled;
   GPU_Renderpass* shadowmap_pass;
   GPU_Pipeline* shadowmap_pipeline;
   TextureHandle depth_texture;
@@ -37,7 +38,7 @@ PUB void Shadow_Run(RenderEnt* entities, size_t entity_count);
 PUB void Shadow_DrawDebugQuad();
 
 /** @brief Get the shadow texture generated from shadowmap pass */
-PUB Handle Shadow_GetShadowMapTexture(Shadow_Storage* storage);
+PUB TextureHandle Shadow_GetShadowMapTexture(Shadow_Storage* storage);
 
 // --- Internal
 GPU_Renderpass* Shadow_RPassCreate();                        // Creates the render pass
-- 
cgit v1.2.3-70-g09d2