From 70807e4a15c38b2945c3f292681bc7edd2285032 Mon Sep 17 00:00:00 2001
From: matthew <matthew@sleepy.day>
Date: Sun, 10 Aug 2025 11:56:48 +1000
Subject: [PATCH] add default texture, remove codegen

---
 assets/shaders/gui.vert.spv    | Bin 3772 -> 3844 bytes
 dub.json                       |  15 +----
 src/codegen/codegen.d          | 107 ---------------------------------
 src/gears/game.d               |  51 ++++++++--------
 src/gears/vulkan.d             |  41 ++++++++++++-
 src/generated/assets_codegen.d | 101 -------------------------------
 src/shaders/gui.vert.glsl      |   2 +-
 src/shared/includes.c          |   1 +
 8 files changed, 66 insertions(+), 252 deletions(-)
 delete mode 100644 src/codegen/codegen.d
 delete mode 100644 src/generated/assets_codegen.d

diff --git a/assets/shaders/gui.vert.spv b/assets/shaders/gui.vert.spv
index df1c78bc0ccfd86522c5ae6e93779754256d4c73..1c92e68b14d06bd29f42361a39f833d95935a677 100644
GIT binary patch
delta 981
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delta 938
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z3+N*lwr+^e;Uo9}E=>IWX6_{1=Ic4<`_4V{-8-}0`Z?Q7lev1RRl-DQhJ(ZA`uHG(
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zrIF1*rvgrLBcI4MvI$BfTjZsYlbg5U)k-5f<nAx{V%}$Jd5v_qL%)$dph30W%ls+o
W@&WM+@B{JGUZ=Gi{_*Ku1^)qB^<NGE

diff --git a/dub.json b/dub.json
index 593d0a8..467e59a 100644
--- a/dub.json
+++ b/dub.json
@@ -11,7 +11,7 @@
 			"sourceFiles-windows": [],
 			"importPaths": ["src/gears", "src/shared", "src/generated", "external/xxhash", "external/inteli"],
 			"sourcePaths": ["src/gears", "src/shared", "src/generated", "external/xxhash", "external/inteli"],
-			"libs-linux": ["xcb", "X11", "X11-xcb", "vulkan", "stdc++", "xcb-xfixes"],
+			"libs-linux": ["xcb", "X11", "X11-xcb", "vulkan", "stdc++", "xcb-xfixes", "freetype2"],
 			"libs-windows": [],
 			"preGenerateCommands-linux": ["./build.sh", "build/Packer"],
 			"preGenerateCommands-windows": [],
@@ -31,18 +31,5 @@
 			"preGenerateCommands-windows": [],
 			"dflags-dmd": ["-P=-DSTBI_NO_SIMD"],
 		},
-		{
-			"name": "codegen",
-			"targetType": "executable",
-			"targetPath": "build",
-			"targetName": "Codegen",
-			"importPaths": ["src/codegen", "src/shared", "external/xxhash", "external/inteli"],
-			"sourcePaths": ["src/codegen", "src/shared", "external/xxhash", "external/inteli"],
-			"sourceFiles-linux": ["build/libstb_image.a"],
-			"preGenerateCommands-linux": ["./build.sh"],
-			"preGenerateCommands-windows": [],
-			"versions": ["codegen"],
-			"dflags-dmd": ["-P=-DSTBI_NO_SIMD"],
-		}
 	]
 }
diff --git a/src/codegen/codegen.d b/src/codegen/codegen.d
deleted file mode 100644
index 95e26aa..0000000
--- a/src/codegen/codegen.d
+++ /dev/null
@@ -1,107 +0,0 @@
-import aliases;
-import util;
-import std.stdio;
-import std.file;
-import std.string;
-import std.path;
-import std.uni;
-import std.conv;
-import std.array;
-
-void
-main()
-{
-	CreateAssetLookups();
-}
-
-void
-CreateAssetLookups()
-{
-	try
-	{
-		mkdir("src/generated");
-	}
-	catch(Exception e) {}
-
-	string[] dirs;
-	string[][string] file_names;
-	string[][string] base_names;
-	u64[][string] file_hashes;
-
-	foreach(string dir; dirEntries("assets", SpanMode.shallow))
-	{
-		dirs ~= baseName(dir);
-	}
-
-	foreach(dir; dirs)
-	{
-		string[] files;
-		string[] names;
-		foreach(string file; dirEntries("assets/" ~ dir, SpanMode.shallow))
-		{
-			files ~= dir ~ "/" ~ baseName(file);
-			names ~= dir ~ "/" ~ baseName(stripExtension(file));
-		}
-
-		file_names[dir] = files;
-		base_names[dir] = names;
-	}
-
-	foreach(dir, names; base_names)
-	{
-		u64[] hashes;
-		foreach(name; names)
-		{
-			hashes ~= Hash(name);
-		}
-
-		file_hashes[dir] = hashes;
-	}
-
-	auto f = File("src/generated/assets_codegen.d", "w");
-	scope(exit) f.close();
-
-	string asset_str = "import aliases;\n\n";
-
-	asset_str ~= "enum AssetType : u32\n{\n\tNone,\n";
-	foreach(i, dir; dirs)
-	{
-		auto graphemes = dir.byGrapheme.array;
-		string upper = [graphemes[0]].byCodePoint.text.toUpper;
-		graphemes[0] = upper.decodeGrapheme;
-
-		string asset_type = graphemes.byCodePoint.text.stripRight("s");
-		asset_str ~= format("\t%s,\n", asset_type);
-	}
-	asset_str ~= "}\n\nalias AT = AssetType;\n\n";
-
-	foreach(dir; dirs)
-	{
-		string asset_type = stripRight(dir, "s").toUpper();
-
-		asset_str ~= format("static immutable string[] %s_FILES = [\n", asset_type);
-		foreach(file; file_names[dir])
-		{
-			asset_str ~= format("\t\"%s\",\n", file);
-		}
-		asset_str ~= "];\n\n";
-
-
-		asset_str ~= format("static immutable string[] %s_NAMES = [\n", asset_type);
-		foreach(name; base_names[dir])
-		{
-			asset_str ~= format("\t\"%s\",\n", name);
-		}
-		asset_str ~= "];\n\n";
-
-		asset_str ~= format("static immutable u64[] %s_HASHES = [\n", asset_type);
-		foreach(hash; file_hashes[dir])
-		{
-			asset_str ~= format("\t%d,\n", hash);	
-		}
-		asset_str ~= "];\n\n";
-
-	}
-
-	f.write(asset_str);
-}
diff --git a/src/gears/game.d b/src/gears/game.d
index 9dfd801..adfaf40 100644
--- a/src/gears/game.d
+++ b/src/gears/game.d
@@ -76,9 +76,9 @@ struct Game
 	u32[]			 ui_index_buf;
 	u32				 ui_count;
 
-	ImageView 		 draw_image, depth_image;
+	ImageView 	default_tex;
 
-	GlobalUniforms globals;
+	UIPushConst ui_pc;
 
 	Timer timer;
 }
@@ -92,11 +92,6 @@ InitGame(PlatformWindow* window)
 		frame_arena: CreateArena(MB(16)),
 		window: window,
 		timer: CreateTimer(),
-		globals: {
-			light_direction: Vec3(-0.57735),
-			light_color: Vec4(0.8, 0.8, 0.8, 1.0),
-			ambient_color: Vec4(0.7, 0.7, 0.7, 1.0),
-		},
 	};
 
 	UVec2 ext = GetExtent(&g.rd);
@@ -109,6 +104,12 @@ InitGame(PlatformWindow* window)
 	g.ui_desc_set = AllocDescSet(&g.rd, g.ui_desc_layout);
 	g.ui_layout = CreatePipelineLayout(&g.rd, g.ui_desc_layout, UIPushConst.sizeof);
 
+	u8[16*16*4] white_tex;
+	white_tex[] = u8.max;
+
+	CreateImageView(&g.rd, &g.default_tex, 16, 16, 4, white_tex);
+	WriteGUI(&g.rd, g.ui_desc_set, &g.default_tex);
+
 	GfxPipelineInfo ui_info = {
 		vertex_shader: "shaders/gui.vert.spv",
 		frag_shader: "shaders/gui.frag.spv",
@@ -129,6 +130,11 @@ InitGame(PlatformWindow* window)
 	PrintShaderDisassembly(&g.rd, g.ui_pipeline, VK_SHADER_STAGE_VERTEX_BIT);
 	PrintShaderDisassembly(&g.rd, g.ui_pipeline, VK_SHADER_STAGE_FRAGMENT_BIT);
 
+	g.ui_vertex_buf = GetUIVertexBuffer(&g.rd);
+	g.ui_index_buf = GetUIIndexBuffer(&g.rd);
+
+	WaitForTransfers(&g.rd);
+
 	Reset(&g.frame_arena);
 
 	return g;
@@ -155,37 +161,30 @@ Cycle(Game* g)
 {
 	g_DELTA = DeltaTime(&g.timer);
 
+	g.ui_count = 0;
+
 	Reset(&g.frame_arena);
 
-	//ProcessInputs(g, &g.camera);
-
-	//Sort(g, g.camera.pos, &g.model);
-
-	//Update(g, &g.camera);
-
-	//Update(&g.camera);
+	DrawRect(g, 200.0, 200.0, 800.0, 400.0, Vec4(0.2, 0.3, 0.7, 1.0));
 
 	BeginFrame(&g.rd);
 	
 	UVec2 ext = GetExtent(&g.rd);
-	f32 aspect = (cast(f32)ext.x) / (cast(f32)ext.y);
-	Mat4 projection = Perspective(90.0, aspect, 10000.0, 0.1);
-
+	g.ui_pc.res.x = cast(f32)ext.x;
+	g.ui_pc.res.y = cast(f32)ext.y;
+	
 	BeginRendering(&g.rd);
 
+	PushConstants(&g.rd, g.ui_pipeline, &g.ui_pc);
+
 	Bind(&g.rd, g.ui_pipeline, g.ui_desc_set);
 
 	BindUIBuffers(&g.rd);
 
+	DrawIndexed(&g.rd, 6, g.ui_count, 0);
+
 	FinishRendering(&g.rd);
 
-	//ImageBarrier(&g.rd);
-
-	//BeginRendering(&g.rd, &g.draw_image, &g.depth_image);
-
-
-	//FinishRendering(&g.rd);
-
 	SubmitAndPresent(&g.rd);
 }
 
@@ -322,8 +321,8 @@ DrawRect(Game* g, f32 p0_x, f32 p0_y, f32 p1_x, f32 p1_y, Vec4 col)
 	g.ui_index_buf[index_count+0] = index_count+0;
 	g.ui_index_buf[index_count+1] = index_count+1;
 	g.ui_index_buf[index_count+2] = index_count+2;
-	g.ui_index_buf[index_count+3] = index_count+1;
-	g.ui_index_buf[index_count+4] = index_count+2;
+	g.ui_index_buf[index_count+3] = index_count+2;
+	g.ui_index_buf[index_count+4] = index_count+1;
 	g.ui_index_buf[index_count+5] = index_count+3;
 
 	g.ui_count += 1;
diff --git a/src/gears/vulkan.d b/src/gears/vulkan.d
index 1735128..a55ee67 100644
--- a/src/gears/vulkan.d
+++ b/src/gears/vulkan.d
@@ -25,6 +25,7 @@ alias DescSet = VkDescriptorSet;
 alias DescSetLayout = VkDescriptorSetLayout;
 alias PipelineLayout = VkPipelineLayout;
 alias DescLayoutBinding = VkDescriptorSetLayoutBinding;
+alias DescWrite = VkWriteDescriptorSet;
 
 bool g_VLAYER_SUPPORT = false;
 bool g_DEBUG_PRINTF = false;
@@ -955,6 +956,12 @@ TransferAssets(Vulkan* vk)
 	return true;
 }
 
+void
+WaitForTransfers(Vulkan* vk)
+{
+	vkWaitForFences(vk.device, 1, &vk.imm_fence, VK_TRUE, u64.max);
+}
+
 pragma(inline): void
 CreateImageView(Vulkan* vk, ImageView* view, u32 w, u32 h, u32 ch, u8[] data)
 {
@@ -1142,12 +1149,18 @@ CreateImageView(Vulkan* vk, ImageView* view, u32 w, u32 h, Format format, ImageU
 }
 
 void
-PushConstants(T)(Vulkan* vk, PipelineLayout layout, T* pc)
+PushConstants(T)(Vulkan* vk, Pipeline pipeline_id, T* pc)
 {
+	assert(pipeline_id > 0, "PushConstants pipeline_id == 0");
+	PipelineHandles* pipeline = vk.pipeline_handles.ptr + pipeline_id;
+	VkShaderStageFlags stage = (pipeline.type == VK_PIPELINE_BIND_POINT_GRAPHICS ? 
+																							 VK_SHADER_STAGE_VERTEX_BIT|VK_SHADER_STAGE_FRAGMENT_BIT : 
+																							 VK_SHADER_STAGE_COMPUTE_BIT);
+
 	vkCmdPushConstants(
 		vk.cmds[vk.frame_index], 
-		layout, 
-		VK_SHADER_STAGE_VERTEX_BIT|VK_SHADER_STAGE_FRAGMENT_BIT|VK_SHADER_STAGE_COMPUTE_BIT,
+		pipeline.layout, 
+		stage,
 		0,
 		T.sizeof,
 		pc
@@ -2079,6 +2092,28 @@ InitGlobalDescSet(Vulkan* vk)
 	return success;
 }
 
+void
+WriteGUI(Vulkan* vk, DescSet set, ImageView* atlas)
+{
+	VkDescriptorImageInfo image_info = {
+		imageView: atlas.view,
+		imageLayout: atlas.layout,
+	};
+
+	VkWriteDescriptorSet[] writes = [
+		{
+			sType: VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
+			dstSet: set,
+			dstBinding: 0,
+			descriptorCount: 1,
+			descriptorType: VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
+			pImageInfo: &image_info,
+		}
+	];
+
+	vkUpdateDescriptorSets(vk.device, cast(u32)writes.length, writes.ptr, 0, null);
+}
+
 void
 WriteDrawImageDesc(Vulkan* vk)
 {
diff --git a/src/generated/assets_codegen.d b/src/generated/assets_codegen.d
deleted file mode 100644
index 6dc7c71..0000000
--- a/src/generated/assets_codegen.d
+++ /dev/null
@@ -1,101 +0,0 @@
-import aliases;
-
-static immutable string[] MODEL_FILES = [
-	"models/cube.m3d",
-	"models/test_char.m3d",
-	"models/yoda.m3d",
-];
-
-static immutable string[] MODEL_NAMES = [
-	"models/cube",
-	"models/test_char",
-	"models/yoda",
-];
-
-static immutable u64[] MODEL_HASHES = [
-	16487010975852376380,
-	13826959199295087925,
-	4559395153940738542,
-];
-
-static immutable string[] STYLIZEDNATURE_FILES = [
-	"StylizedNature/Textures",
-	"StylizedNature/Nature",
-	"StylizedNature/Ruins",
-];
-
-static immutable string[] STYLIZEDNATURE_NAMES = [
-	"StylizedNature/Textures",
-	"StylizedNature/Nature",
-	"StylizedNature/Ruins",
-];
-
-static immutable u64[] STYLIZEDNATURE_HASHES = [
-	13989528115033644773,
-	6938651194392675090,
-	4760645683512501027,
-];
-
-static immutable string[] SHADER_FILES = [
-	"shaders/gui.frag.spv",
-	"shaders/triangle.vert.spv",
-	"shaders/pbr.frag.spv",
-	"shaders/gui.vert.spv",
-	"shaders/gradient.comp.spv",
-	"shaders/convert.comp.spv",
-	"shaders/triangle.frag.spv",
-	"shaders/pbr.vert.spv",
-];
-
-static immutable string[] SHADER_NAMES = [
-	"shaders/gui.frag",
-	"shaders/triangle.vert",
-	"shaders/pbr.frag",
-	"shaders/gui.vert",
-	"shaders/gradient.comp",
-	"shaders/convert.comp",
-	"shaders/triangle.frag",
-	"shaders/pbr.vert",
-];
-
-static immutable u64[] SHADER_HASHES = [
-	15780387719315455808,
-	8769314645675479020,
-	2230071466542309169,
-	14797956403837654625,
-	16130483095684998267,
-	3780699516113804562,
-	6282520872716708711,
-	8518761701216801634,
-];
-
-static immutable string[] TEXTURE_FILES = [
-	"textures/ham_smoke.png",
-	"textures/cheesoid.png",
-	"textures/hog.jpg",
-	"textures/patamon.png",
-	"textures/pattermon.png",
-	"textures/hamster.png",
-	"textures/purplemon.png",
-];
-
-static immutable string[] TEXTURE_NAMES = [
-	"textures/ham_smoke",
-	"textures/cheesoid",
-	"textures/hog",
-	"textures/patamon",
-	"textures/pattermon",
-	"textures/hamster",
-	"textures/purplemon",
-];
-
-static immutable u64[] TEXTURE_HASHES = [
-	15457434128510259736,
-	12443444479937967236,
-	5538438794723924882,
-	16650761267170532297,
-	11718504567089932798,
-	7627422980398294448,
-	14316598952102237724,
-];
-
diff --git a/src/shaders/gui.vert.glsl b/src/shaders/gui.vert.glsl
index 5fe8e20..eac1cc1 100644
--- a/src/shaders/gui.vert.glsl
+++ b/src/shaders/gui.vert.glsl
@@ -43,7 +43,7 @@ void main()
 	FragData.color = in_col;
 	FragData.uv = vec2(
 		in_src_start.x / tex_size.x,
-		in_src_start
+		in_src_start.y / tex_size.y
 	);
 
 	gl_Position = vec4(2 * dst_pos.x / PC.res.x - 1,
diff --git a/src/shared/includes.c b/src/shared/includes.c
index 5350278..b4662be 100644
--- a/src/shared/includes.c
+++ b/src/shared/includes.c
@@ -6,6 +6,7 @@
 #	include <X11/Xlib.h>
 #	include <X11/keysym.h>
 # include <X11/extensions/Xfixes.h>
+# include <freetype2/freetype/config/ftheader.h>
 #endif
 
 #include <xmmintrin.h>