some work

dub.json

@@ -13,7 +13,7 @@
 			"sourcePaths": ["src/gears", "src/shared", "src/generated"],
 			"libs-linux": ["xcb", "X11", "X11-xcb", "vulkan", "stdc++"],
 			"libs-windows": [],
-			"preGenerateCommands-linux": ["./build-vma.sh", "build/Packer"],
+			"preGenerateCommands-linux": ["./build-vma.sh", "build/Codegen", "dub main:packer", "build/Packer"],
 			"preGenerateCommands-windows": [],
 		},
 		{
@@ -26,6 +26,7 @@
 			"sourceFiles-linux": ["build/libxxhash.a", "build/libstb_image.a", "build/libm3d.a"],
 			"preGenerateCommands-linux": ["./build-vma.sh"],
 			"preGenerateCommands-windows": [],
+			"dflags-dmd": ["-P=-DXXH_VECTOR=0", "-P=-DSTBI_NO_SIMD", "-P=-DXXH_NO_PREFTECH"],
 		},
 		{
 			"name": "codegen",
@@ -38,6 +39,7 @@
 			"preGenerateCommands-linux": ["./build-vma.sh"],
 			"preGenerateCommands-windows": [],
 			"versions": ["codegen"],
+			"dflags-dmd": ["-P=-DXXH_VECTOR=0", "-P=-DSTBI_NO_SIMD", "-P=-DXXH_NO_PREFTECH"],
 		}
 	]
 }

src/gears/main.d

@@ -35,5 +35,21 @@ void main()
 
 	auto pipeline = vk.CreateGraphicsPipeline(&vulkan, &pipeline_info);
 
+	u8[] comp_bytes = ap.LoadAssetData("shaders/gradient.comp");
+	assert(comp_bytes != null, "Unable to load compute shader data");
+
+	auto comp_module = vk.BuildShader(&vulkan, comp_bytes);
+	assert(comp_module.ok, "Unable to build compute shader");
+
+	auto comp_pipeline = vk.CreateComputePipeline(&vulkan, comp_module.value);
+
+	vk.Destroy(&vulkan, comp_module.value);
+	vk.Destroy(&vulkan, comp_pipeline);
+
+	vk.Destroy(&vulkan, vert_module.value);
+	vk.Destroy(&vulkan, frag_module.value);
+	vk.Destroy(&vulkan, pipeline);
+
 	vk.Destroy(&vulkan);
 }
+

src/gears/renderer.d

@@ -28,3 +28,5 @@ struct GfxPipelineInfo
 	u32 input_rate_stride;
 	Attribute[] vertex_attributes;
 }
+
+

src/gears/vulkan.d

@@ -228,7 +228,7 @@ BuildShader(Vulkan* vk, u8[] bytes)
 	return shader;
 }
 
-VkPipeline
+Pipeline
 CreateGraphicsPipeline(Vulkan* vk, GfxPipelineInfo* build_info)
 {
 	VkDynamicState[] dyn_state = [ VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_SCISSOR ];
@@ -274,6 +274,8 @@ CreateGraphicsPipeline(Vulkan* vk, GfxPipelineInfo* build_info)
 	VkPipelineRenderingCreateInfo rendering_info = {
 		sType: VK_STRUCTURE_TYPE_PIPELINE_RENDERING_CREATE_INFO,
 		colorAttachmentCount: 1,
+		pColorAttachmentFormats: &vk.draw_image.base.format,
+		depthAttachmentFormat: vk.depth_image.base.format,
 	};
 
 	VkPipelineColorBlendAttachmentState blend_state = {
@@ -349,16 +351,41 @@ CreateGraphicsPipeline(Vulkan* vk, GfxPipelineInfo* build_info)
 	return pipeline;
 }
 
-VkPipeline
+
-CreateComputePipeline(Vulkan* vk, string shader)
+Pipeline
+CreateComputePipeline(Vulkan* vk, Shader shader)
 {
+	VkComputePipelineCreateInfo info = {
+		sType: VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,
+		layout: vk.pipeline_layout,
+		stage: {
+			sType: VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
+			stage: VK_SHADER_STAGE_COMPUTE_BIT,
+			pName: "main",
+		},
+	};
+
+	__traits(getMember, &info.stage, "module") = shader;
+
 	VkPipeline pipeline;
-
+	VkResult result = vkCreateComputePipelines(vk.device, null, 1, &info, null, &pipeline);
-
+	assert(VkCheck("CreateComputePipeline failure", result), "Unable to build pipeline");
 
 	return pipeline;
 }
 
+void
+Destroy(Vulkan* vk, Shader shader)
+{
+	vkDestroyShaderModule(vk.device, shader, null);
+}
+
+void
+Destroy(Vulkan* vk, Pipeline pipeline)
+{
+	vkDestroyPipeline(vk.device, pipeline, null);
+}
+
 void
 Destroy(Vulkan* vk)
 {

src/gears/vulkan_logging.d

@@ -3,6 +3,7 @@ import std.stdio;
 import vulkan : Vulkan;
 import std.conv;
 import std.string;
+import core.stdc.string : strlen;
 
 VkBool32
 DebugCallback(
@@ -59,7 +60,7 @@ DebugCallback(
 		break;
 	}
 
-	string msg = to!string(callback_data.pMessage);
+	const char[] msg = callback_data.pMessage[0 .. strlen(callback_data.pMessage)];
 	
 	writefln("[%s: %s]\n%r\n", ms, mt, msg);
 

src/generated/assets_codegen.d

@@ -27,16 +27,19 @@ static immutable u64[] MODEL_HASHES = [
 
 static immutable string[] SHADER_FILES = [
 	"shaders/triangle.vert.spv",
+	"shaders/gradient.comp.spv",
 	"shaders/triangle.frag.spv",
 ];
 
 static immutable string[] SHADER_NAMES = [
 	"shaders/triangle.vert",
+	"shaders/gradient.comp",
 	"shaders/triangle.frag",
 ];
 
 static immutable u64[] SHADER_HASHES = [
 	8769314645675479020,
+	16130483095684998267,
 	6282520872716708711,
 ];
 

src/shaders/gradient.comp.glsl

@@ -0,0 +1,27 @@
+#version 460
+
+#extension GL_EXT_buffer_reference : require
+#extension GL_GOOGLE_include_directive : require
+
+#include "structures.layout"
+
+layout (local_size_x = 16, local_size_y = 16) in;
+
+void main()
+{
+	ivec2 texel_coord = ivec2(gl_GlobalInvocationID.xy);
+	ivec2 size = imageSize(DrawImage);
+
+	if (texel_coord.x < size. x && texel_coord.y < size.y)
+	{
+		vec4 color = vec4(0.0);
+
+		if (gl_GlobalInvocationID.x != 0 && gl_LocalInvocationID.y != 0)
+		{
+			color.x = float(texel_coord.x) / size.x;
+			color.y = float(texel_coord.y) / size.y;
+		}
+
+		imageStore(DrawImage, texel_coord, color);
+	}
+}

src/shaders/structures.layout

@@ -0,0 +1,33 @@
+struct Vertex {
+	vec4 pos;
+};
+
+layout (buffer_reference, std430) readonly buffer VertexBuffer {
+	Vertex vertices[];
+};
+
+layout (set = 0, binding = 0) uniform GlobalUniforms {
+	vec2 res;
+} G;
+
+layout (set = 0, binding = 1) uniform ShaderUniforms {
+	float placeholder;
+} S;
+
+layout (rgba16f, set = 0, binding = 2) uniform image2D DrawImage;
+
+layout (set = 0, binding = 3) uniform sampler SamplerNearest;
+
+layout (set = 1, binding = 0) uniform texture2D Textures[];
+
+layout (set = 2, binding = 0) uniform Material {
+	float placeholder;
+} Materials[];
+
+layout (set = 3, binding = 0) uniform Mesh {
+	VertexBuffer buf;
+} Meshes[];
+
+layout (push_constant) uniform Constants {
+	float placeholder;
+} PC;

src/shaders/triangle.frag.glsl

@@ -1,5 +1,11 @@
 #version 460
 
+#extension GL_EXT_buffer_reference : require
+#extension GL_GOOGLE_include_directive : require
+#extension GL_EXT_nonuniform_qualifier : require
+
+#include "structures.layout"
+
 layout (location = 0) in vec3 fragColor;
 
 layout (location = 0) out vec4 outColor;

src/shaders/triangle.vert.glsl

@@ -1,5 +1,11 @@
 #version 460
 
+#extension GL_EXT_buffer_reference : require
+#extension GL_GOOGLE_include_directive : require
+#extension GL_EXT_nonuniform_qualifier : require
+
+#include "structures.layout"
+
 layout (location = 0) out vec3 fragColor;
 
 vec2 positions[3] = vec2[](