move shadows to a fullscreen buffer

1 files changed, 7 insertions, 64 deletions

diff --git a/c2.cpp b/c2.cpp
index ac9e7d4..3867280 100644
--- a/c2.cpp
+++ b/c2.cpp
@@ -162,61 +162,6 @@ struct Orbit_Cam {
 	}
 };
 
-struct Fullscreen_Quad {
-	Buffer_Id vb;
-
-	void init(Device* d) {
-		float verts[] = {
-			-1.0f, -1.0f, 0.0f, 0.0f,
-			-1.0f,  3.0f, 0.0f, 2.0f,
-			 3.0f, -1.0f, 2.0f, 0.0f
-		};
-		Buffer_Id stage;
-		void* mem;
-		stage = d->create_buffer(
-			"sky vb stage",
-			sizeof verts,
-			Buffer_Flags::cpu_readwrite |
-			Buffer_Flags::copy_src
-		);
-		mem = d->map_buffer(stage, 0, sizeof verts);
-		memcpy(mem, verts, sizeof verts);
-		d->unmap_buffer(stage);
-		vb = d->create_buffer(
-			"fullscreen quad",
-			sizeof verts,
-			Buffer_Flags::copy_dst |
-			Buffer_Flags::vertex_buffer
-		);
-		Context& ctx = d->acquire();
-		ctx.copy(vb, stage);
-		d->submit(ctx);
-		d->destroy_bufferi(stage);
-	}
-
-	void destroy(Device* d) {
-		d->destroy_buffer(vb);
-	}
-
-	void render(
-		Context& ctx,
-		Pipeline& pip,
-		Render_Pass& pass,
-		int bind
-	) {
-		Vertex_Buffer_Binding vbb[] = {{
-			.id = vb,
-			.offset = 0,
-			.target = bind
-		}, {}};
-		Draw draw{};
-		draw.verts = vbb;
-		draw.vertex_count = 3;
-		draw.instance_count = 1;
-		ctx.submit(draw, pip, pass);
-	}
-};
-
 struct Sky {
 	Staged_Buffer config;
 	Texture_Id texture;
@@ -647,7 +592,6 @@ struct C2 : public App {
 	Lighting lighting;
 	Camera_Id camera;
 	Orbit_Cam orbit_cam;
-	Fullscreen_Quad quad;
 	Sky sky;
 	Env_Probe eprobe;
 	Tonemap tonemap;
@@ -703,7 +647,6 @@ struct C2 : public App {
 		ui_shader = (Shader*)assets.load("ui.csh");
 		texture = (Texture*)assets.load("22.tex");
 		texture2 = (Texture*)assets.load("kita.tex");
-		quad.init(dev);
 		cbuf = dev->create_buffer(
 			"config buffer",
 			sizeof(Config_Buffer),
@@ -715,7 +658,7 @@ struct C2 : public App {
 			per_frame_memory_size
 		);
 		clamped_linear = create_clamped_linear(dev);
-		renderer.init(arena, dev);
+		renderer.init(arena, dev, assets);
 		world = (World*)arena_alloc(arena, sizeof *world);
 		world->init(arena);
 		ui = UI::create(this, &ui_arena);
@@ -726,7 +669,7 @@ struct C2 : public App {
 		ui->layout(w, h);
 		fps_label = ui->create_element<UI::Label>(ui->root, "");
 		scene.init(&scene_arena, 32, clamped_linear);
-		lighting.init(dev);
+		lighting.init(dev, w, h);
 		sky.init(dev, &assets);
 		eprobe.init(dev, &assets, 256);
 		tonemap.init(dev, &assets);
@@ -884,7 +827,7 @@ struct C2 : public App {
 		Render_Pass& tonemap_pass = pb.build_rp();
 
 		ctx.debug_push("environment cube");
-		eprobe.render(dev, &frame_arena, quad, sky);
+		eprobe.render(dev, &frame_arena, renderer.quad, sky);
 		ctx.debug_pop();
 
 		renderer.env_cubemap = eprobe.get_cubemap();
@@ -911,7 +854,7 @@ struct C2 : public App {
 		sky.render(
 			dev,
 			&frame_arena,
-			quad,
+			renderer.quad,
 			sky_pass,
 			clamped_linear,
 			pcam,
@@ -925,7 +868,7 @@ struct C2 : public App {
 		tonemap.render(
 			dev,
 			&frame_arena,
-			quad,
+			renderer.quad,
 			tonemap_pass,
 			hdr_target,
 			clamped_linear
@@ -959,7 +902,7 @@ struct C2 : public App {
 				clamped_linear
 			);
 			Pipeline& ui_pip = pb.build();
-			quad.render(
+			renderer.quad.render(
 				ctx,
 				ui_pip,
 				ui_pass,
@@ -1001,7 +944,6 @@ struct C2 : public App {
 	}
 
 	void on_destroy() override {
-		quad.destroy(dev);
 		scene.destroy(dev);
 		sky.destroy(dev);
 		lighting.destroy(dev, renderer);
@@ -1030,6 +972,7 @@ struct C2 : public App {
 		dev->destroy_buffer(ui_buffer);
 		make_hdr_target();
 		make_ui_texture();
+		lighting.recreate(dev, w, h);
 	}
 
 	void make_hdr_target() {