From d26100734623f37063206b9b144c2a29fd71d414 Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Wed, 1 Jan 2025 18:43:31 +1100
Subject: material system

---
 c2.cpp | 36 ++++++++++++++++++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

(limited to 'c2.cpp')

diff --git a/c2.cpp b/c2.cpp
index fd02e50..73bbbb6 100644
--- a/c2.cpp
+++ b/c2.cpp
@@ -58,6 +58,30 @@ static Buffer_Id upload_verts(Device* dev) {
 	return vbo;
 }
 
+Texture_Id make_default_texture(Device* dev) {
+	unsigned* mem;
+	Texture_Id tex;
+	Buffer_Id buf = dev->create_buffer(
+		"default texture stage",
+		4,
+		Buffer_Flags::copy_src |
+		Buffer_Flags::cpu_readwrite
+	);
+	mem = (unsigned*)dev->map_buffer(buf, 0, 4);
+	mem[0] = 0xffffffff;
+	dev->unmap_buffer(buf);
+	tex = dev->create_texture(
+		"default PBR texture",
+		texture_format_rgba8i,
+		Texture_Flags::sampleable | Texture_Flags::copy_dst,
+		1,
+		1,
+		buf
+	);
+	dev->destroy_bufferi(buf);
+	return tex;
+}
+
 static Sampler_Id create_clamped_linear(Device* dev) {
 	Sampler_State s{};
 	s.min = Filter_Mode::linear;
@@ -79,11 +103,13 @@ struct Config_Buffer2 {
 extern "C" int entrypoint() {
 	Arena video_arena, asset_arena, ui_arena;
 	Model_Loader model_loader;
+	Material_Loader mat_loader;
 	Asset_Arena assets;
 	Device* dev;
 	Shader* shader, * ui_shader;
 	Texture* texture;
 	Texture* texture2;
+	Texture_Id default_texture;
 	Model* monkey;
 	Buffer_Id vbo, cbuf;
 	Sampler_Id clamped_linear;
@@ -109,8 +135,11 @@ extern "C" int entrypoint() {
 	);
 	assets.init(&asset_arena, "pack", 128);
 	dev = Device::create(&video_arena, app); 
+	default_texture = make_default_texture(dev);
 	model_loader.init(dev, &assets);
+	mat_loader.init(&assets, default_texture);
 	register_asset_loader("MODL", &model_loader);
+	register_asset_loader("MTRL", &mat_loader);
 	monkey = (Model*)assets.load("monkey.mdl");
 	app->dev = dev;
 	shader = (Shader*)assets.load("triangle.csh");
@@ -234,14 +263,16 @@ extern "C" int entrypoint() {
 		monkey->render(
 			dev,
 			&frame_arena,
-			depth_prepass
+			depth_prepass,
+			clamped_linear
 		);
 		ctx.debug_pop();
 		ctx.debug_push("forward");
 		monkey->render(
 			dev,
 			&frame_arena,
-			pass2
+			pass2,
+			clamped_linear
 		);
 		ctx.debug_pop();
 
@@ -257,6 +288,7 @@ extern "C" int entrypoint() {
 	}
 	ui->destroy();
 	assets.destroy();
+	dev->destroy_texture(default_texture);
 	dev->destroy_sampler(clamped_linear);
 	dev->destroy_buffer(vbo);
 	dev->destroy_buffer(cbuf);
-- 
cgit v1.2.3-54-g00ecf