Merge branch 'main' of yibble.dev:bulmanator/ld58

Fixed conflicts
Added "code" directory for include to make it easier to include core
headers
Stopped warnings (probably cl specific)

code/core/arena.h

@@ -1,7 +1,7 @@
 #if !defined(LD_CORE_ARENA_H_)
 #define LD_CORE_ARENA_H_
 
-#define AlignUp(x, a) (((x) + ~((a) - 1)) & ~((a) - 1))
+#define AlignUp(x, a) (((x) + ((a) - 1)) & ~((a) - 1))
 #define AlignDown(x, a) (((x)) & ~((a) - 1))
 
 #define KB(x) ((U64) (x) << 10)
@@ -64,8 +64,8 @@ function void    *_M_ArenaPush(M_Arena *arena, U64 esize, M_ArenaPushOpts *opts)
 function void    *_M_ArenaPushCopy(M_Arena *arena, void *src, U64 esize, M_ArenaPushOpts *opts);
 
 #define M_ArenaAlloc(limit, ...) _M_ArenaAlloc(limit, &(M_ArenaOpts) { .initial = MB(1), .increment = KB(64), ##__VA_ARGS__ })
-#define M_ArenaPush(arena, T, ...) (T *) _M_ArenaPush(arena, sizeof(T), &(M_ArenaOpts) { .count = 1, .align = Alignof(T), ##__VA_ARGS__ })
-#define M_ArenaPushCopy(arena, T, src, ...) (T *) _M_ArenaPush(arena, src, sizeof(T), &(M_ArenaOpts) { .count = 1, .align = Alignof(T), ##__VA_ARGS__ })
+#define M_ArenaPush(arena, T, ...) (T *) _M_ArenaPush(arena, sizeof(T), &(M_ArenaPushOpts) { .count = 1, .align = Alignof(T), ##__VA_ARGS__ })
+#define M_ArenaPushCopy(arena, T, src, ...) (T *) _M_ArenaPush(arena, src, sizeof(T), &(M_ArenaPushOpts) { .count = 1, .align = Alignof(T), ##__VA_ARGS__ })
 
 function void M_ArenaReset(M_Arena *arena);
 function void M_ArenaRelease(M_Arena *arena);

code/core/core.c

@@ -1 +1,2 @@
 #include "impl/arena.c"
+#include "impl/string.c"

code/core/core.h

@@ -5,5 +5,6 @@
 #include "platform.h"
 #include "macros.h"
 #include "arena.h"
+#include "string.h"
 
 #endif  // LD_CORE_CORE_H_

code/core/impl/string.c

@@ -0,0 +1,150 @@
+Str8 Str8_Wrap(S64 count, U8 *data) {
+	Str8 result;
+	result.data  = data;
+	result.count = count;
+
+	return result;
+}
+
+Str8 Str8_WrapRange(U8 *start, U8 *end) {
+	Str8 result;
+	result.data  = start;
+	result.count = cast(S64) (end - start);
+
+	return result;
+}
+
+internal S64 Str8_CountZ(U8 *data) {
+	S64 result = 0;
+	while (data[result] != 0) { result += 1; }
+
+	return result;
+}
+
+Str8 Str8_WrapZ(U8 *data) {
+	Str8 result;
+	result.data  = data;
+	result.count = Str8_CountZ(data);
+
+	return result;
+}
+
+Str8 Str8_Copy(M_Arena *arena, Str8 s) {
+	Str8 result;
+	result.count = s.count;
+	result.data  = M_ArenaPush(arena, U8, .count = s.count + 1);
+
+	M_CopySize(result.data, s.data, s.count);
+	return result;
+}
+
+Str8 Str8_Format(M_Arena *arena, const char *format, ...) {
+	va_list args;
+	va_start(args, format);
+
+	Str8 result = Str8_FormatArgs(arena, format, args);
+	va_end(args);
+
+	return result;
+}
+
+internal S64 Str8_ProcessFormat(Str8 out, const char *format, va_list args) {
+	S64 result = vsnprintf((char *) out.data, (int) out.count, format, args);
+	return result;
+}
+
+Str8 Str8_FormatArgs(M_Arena *arena, const char *format, va_list args) {
+	Str8 result;
+
+	va_list copy;
+	va_copy(copy, args);
+
+	U64 offset = M_ArenaOffset(arena);
+
+	result.count = KB(1);
+	result.data  = M_ArenaPush(arena, U8, .count = result.count);
+
+	S64 needed = Str8_ProcessFormat(result, format, args);
+	if (needed >= result.count) {
+		M_ArenaPop(arena, offset);
+
+		result.count = needed;
+		result.data  = M_ArenaPush(arena, U8, .count = result.count + 1);
+
+		Str8_ProcessFormat(result, format, copy);
+	}
+	else {
+		U64 size = result.count - needed - 1;
+		M_ArenaPopSize(arena, size);
+
+		result.count = needed;
+	}
+
+	return result;
+}
+
+B32 Str8_Equal(Str8 a, Str8 b, Str8_EqualFlags flags) {
+	B32 result = (a.count == b.count);
+
+	if (result) {
+		B32 ignore_case = (flags & STR8_EQUAL_IGNORE_CASE) != 0;
+
+		for (S64 it = 0; it < a.count; ++it) {
+			U8 ac = ignore_case ? Chr_ToLowercase(a.data[it]) : a.data[it];
+			U8 bc = ignore_case ? Chr_ToLowercase(b.data[it]) : b.data[it];
+
+			if (ac != bc) {
+				result = false;
+				break;
+			}
+		}
+	}
+
+	return result;
+}
+
+Str8 Str8_Prefix(Str8 s, S64 count) {
+	Str8 result;
+	result.data  = s.data;
+	result.count = Min(s.count, count);
+
+	return result;
+}
+
+Str8 Str8_Suffix(Str8 s, S64 count) {
+	Str8 result;
+	result.count = Min(s.count, count);
+	result.data  = s.data + (s.count - result.count);
+
+	return result;
+}
+
+Str8 Str8_RemoveAfterLast(Str8 s, U8 c) {
+	Str8 result;
+	result.data  = s.data;
+	result.count = s.count;
+
+	for (S64 it = s.count - 1; it >= 0; --it) {
+		if (result.data[it] == c) {
+			result.count = it;
+			break;
+		}
+	}
+
+	return result;
+}
+
+B32 Str8_EndsWith(Str8 s, Str8 suffix) {
+	B32 result = Str8_Equal(Str8_Suffix(s, suffix.count), suffix, 0);
+	return result;
+}
+
+U8 Chr_ToUppercase(U8 c) {
+	U8 result = (c >= 'a' && c <= 'z') ? (c - ('a' - 'A')) : c;
+	return result;
+}
+
+U8 Chr_ToLowercase(U8 c) {
+	U8 result = (c >= 'A' && c <= 'Z') ? (c + ('a' - 'A')) : c;
+	return result;
+}

code/core/macros.h

@@ -34,6 +34,8 @@
 #define SLL_PushN(h, n, next) ((n)->next = (h), (h) = (n))
 #define SLL_PopN(h, next) (((h) != 0) ? (h) = (h)->next : 0)
 
+#define SLL_Enqueue(h, t, n) SLL_EnqueueN(h, t, n, next)
+
 #define function      static
 #define internal      static
 #define global_var    static
@@ -45,14 +47,4 @@
 	#define thread_var __thread
 #endif
 
-#define S(x) Str8_Wrap(sizeof(x) - sizeof(*(x)), (U8 *) (x))
-Str8 Str8_Wrap(S64 count, U8 *data) {
-    Str8 result;
-    result.data  = data;
-    result.count = count;
-
-    return result;
-}
-#define Sv(x) (int) (x).count, (x).data
-
 #endif  // LD_CORE_MACROS_H_

code/core/string.h

@@ -0,0 +1,36 @@
+#if !defined(LD_CORE_STRING_H_)
+#define LD_CORE_STRING_H_
+
+#define S(x) Str8_Wrap(sizeof(x) - sizeof(*(x)), (U8 *) (x))
+#define Sz(x) Str8_WrapZ((U8 *) (x))
+
+#define Sv(x) (int) (x).count, (x).data
+#define Sf(arena, fmt, ...) Str8_Format(arena, fmt, ##__VA_ARGS__)
+
+function Str8 Str8_Wrap(S64 count, U8 *data);
+function Str8 Str8_WrapRange(U8 *start, U8 *end);
+function Str8 Str8_WrapZ(U8 *data);
+
+function Str8 Str8_Copy(M_Arena *arena, Str8 s);
+
+function Str8 Str8_Format(M_Arena *arena, const char *format, ...);
+function Str8 Str8_FormatArgs(M_Arena *arena, const char *format, va_list args);
+
+typedef U32 Str8_EqualFlags;
+enum {
+	STR8_EQUAL_IGNORE_CASE = (1 << 0)
+};
+
+function B32 Str8_Equal(Str8 a, Str8 b, Str8_EqualFlags flags);
+
+function Str8 Str8_Prefix(Str8 s, S64 count);
+function Str8 Str8_Suffix(Str8 s, S64 count);
+
+function Str8 Str8_RemoveAfterLast(Str8 s, U8 c);
+
+function B32 Str8_EndsWith(Str8 s, Str8 suffix);
+
+function U8 Chr_ToUppercase(U8 c);
+function U8 Chr_ToLowercase(U8 c);
+
+#endif  // LD_CORE_STRING_H_

code/core/types.h

@@ -41,4 +41,9 @@ struct V2i {
   U32 y;
 };
 
+#define U8_MAX  ((U8)  -1)
+#define U16_MAX ((U16) -1)
+#define U32_MAX ((U32) -1)
+#define U64_MAX ((U64) -1)
+
 #endif  // LD_CORE_TYPES_H_

code/first.c

@@ -2,18 +2,19 @@
 #include <stdbool.h>
 #include <SDL3/SDL.h>
 
+#define STB_IMAGE_IMPLEMENTATION 1
+#include <stb_image.h>
+
 #include "core/core.h"
 #include "core/types.h"
 #include "os/core.h"
 
 #include "vulkan/core.h"
+#include "game/core.h"
 
-#include "game/impl/player.c"
-
-int main(int argc, char **argv)
-{
-	(void)argc;
-	(void)argv;
+int main(int argc, char **argv) {
+	(void) argc;
+	(void) argv;
 
 	if (!SDL_Init(SDL_INIT_VIDEO))
 	{
@@ -30,6 +31,34 @@ int main(int argc, char **argv)
 
 	Vk_Setup(window);
 
+	G_State *game = 0;
+	{
+		M_Arena *arena = M_ArenaAlloc(GB(64), .initial = MB(4));
+		game = M_ArenaPush(arena, G_State);
+
+		game->arena = arena;
+
+		G_ImagesLoad(game);
+		G_PipelinesLoad(game);
+
+		Vk_Buffer *vbo = &game->vbo;
+		vbo->size         = KB(4096);
+		vbo->usage        = VK_BUFFER_USAGE_STORAGE_BUFFER_BIT;
+		vbo->host_visible = true;
+
+		Vk_BufferCreate(vbo);
+
+		G_Vertex *vertices = cast(G_Vertex *) vbo->data;
+
+		vertices[0] = (G_Vertex) { -0.25f, -0.25f, 1.0f, 1.0f, 0.0f, 0.0f, 0xFFFFFFFF, 0};
+		vertices[1] = (G_Vertex) {  0.25f, -0.25f, 1.0f, 1.0f, 1.0f, 0.0f, 0xFFFFFFFF, 0};
+		vertices[2] = (G_Vertex) { -0.25f,  0.25f, 1.0f, 1.0f, 0.0f, 1.0f, 0xFFFFFFFF, 0};
+
+		vertices[3] = (G_Vertex) {  0.25f, -0.25f, 1.0f, 1.0f, 1.0f, 0.0f, 0xFFFFFFFF, 0};
+		vertices[4] = (G_Vertex) {  0.25f,  0.25f, 1.0f, 1.0f, 1.0f, 1.0f, 0xFFFFFFFF, 0};
+		vertices[5] = (G_Vertex) { -0.25f,  0.25f, 1.0f, 1.0f, 0.0f, 1.0f, 0xFFFFFFFF, 0};
+	}
+
 	bool running = true;
 	Player player;
 	player.pos.x = 0;
@@ -46,31 +75,12 @@ int main(int argc, char **argv)
 			}
 		}
 
+
 		int w, h;
 		SDL_GetWindowSizeInPixels(window, &w, &h);
 
 		Vk_Frame *frame = Vk_FrameBegin(window);
 		VkCommandBuffer cmd = frame->cmd;
-		VkImageMemoryBarrier2 colour_optimal = {0};
-		colour_optimal.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2;
-		colour_optimal.srcStageMask = VK_PIPELINE_STAGE_2_NONE;
-		colour_optimal.srcAccessMask = VK_ACCESS_2_NONE;
-		colour_optimal.dstStageMask = VK_PIPELINE_STAGE_2_COLOR_ATTACHMENT_OUTPUT_BIT;
-		colour_optimal.dstAccessMask = VK_ACCESS_2_COLOR_ATTACHMENT_WRITE_BIT;
-		colour_optimal.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED;
-		colour_optimal.newLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
-		colour_optimal.image = vk.swapchain.images[frame->image];
-
-		colour_optimal.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
-		colour_optimal.subresourceRange.layerCount = 1;
-		colour_optimal.subresourceRange.levelCount = 1;
-
-		VkDependencyInfo colour_barrier = {0};
-		colour_barrier.sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO;
-		colour_barrier.imageMemoryBarrierCount = 1;
-		colour_barrier.pImageMemoryBarriers = &colour_optimal;
-
-		vk.CmdPipelineBarrier2(cmd, &colour_barrier);
 
 		VkClearValue clear_colour;
 		clear_colour.color.float32[0] = 1.0f;
@@ -95,28 +105,61 @@ int main(int argc, char **argv)
 
 		vk.CmdBeginRendering(cmd, &rendering_info);
 
+		Vk_Pipeline *basic = &game->pipelines[0];
+
+		VkDescriptorSet set;
+		VkDescriptorSetAllocateInfo alloc_info = { 0 };
+		alloc_info.sType              = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO;
+		alloc_info.descriptorPool     = frame->descriptors;
+		alloc_info.descriptorSetCount = 1;
+		alloc_info.pSetLayouts        = &basic->layout.set;
+
+		vk.AllocateDescriptorSets(vk.device, &alloc_info, &set);
+
+		// 'update' the descriptor sets for binding
+		{
+			VkWriteDescriptorSet writes[2] = { 0 };
+
+			VkDescriptorBufferInfo vbo_info = { 0 };
+			vbo_info.buffer = game->vbo.handle;
+			vbo_info.offset = 0;
+			vbo_info.range  = 256;
+
+			VkDescriptorImageInfo image_info = { 0 };
+			image_info.imageView   = game->images[6].image.view;
+			image_info.sampler     = vk.sampler;
+			image_info.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+
+			writes[0].sType           = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
+			writes[0].dstSet          = set;
+			writes[0].dstBinding      = 0;
+			writes[0].descriptorCount = 1;
+			writes[0].descriptorType  = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
+			writes[0].pBufferInfo     = &vbo_info;
+
+			writes[1].sType           = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET;
+			writes[1].dstSet          = set;
+			writes[1].dstBinding      = 1;
+			writes[1].descriptorCount = 1;
+			writes[1].descriptorType  = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
+			writes[1].pImageInfo      = &image_info;
+
+			vk.UpdateDescriptorSets(vk.device, ArraySize(writes), writes, 0, 0);
+		}
+
+		vk.CmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, basic->handle);
+		vk.CmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, basic->layout.pipeline, 0, 1, &set, 0, 0);
+
+		VkViewport viewport = { 0, 0, (F32) w, (F32) h, 0.0f, 1.0f };
+		VkRect2D   scissor  = { 0, 0, w, h };
+
+		vk.CmdSetViewport(cmd, 0, 1, &viewport);
+		vk.CmdSetScissor(cmd, 0, 1, &scissor);
+
+		vk.CmdDraw(cmd, 6, 1, 0, 0);
+
 		vk.CmdEndRendering(cmd);
 
-		VkImageMemoryBarrier2 present_src = {0};
-		present_src.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2;
-		present_src.srcStageMask = VK_PIPELINE_STAGE_2_COLOR_ATTACHMENT_OUTPUT_BIT;
-		present_src.srcAccessMask = VK_ACCESS_2_COLOR_ATTACHMENT_WRITE_BIT;
-		present_src.dstStageMask = VK_PIPELINE_STAGE_2_NONE;
-		present_src.dstAccessMask = VK_ACCESS_2_NONE;
-		present_src.oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
-		present_src.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
-		present_src.image = vk.swapchain.images[frame->image];
-
-		present_src.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
-		present_src.subresourceRange.layerCount = 1;
-		present_src.subresourceRange.levelCount = 1;
-
-		VkDependencyInfo to_present = {0};
-		to_present.sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO;
-		to_present.imageMemoryBarrierCount = 1;
-		to_present.pImageMemoryBarriers = &present_src;
-
-		vk.CmdPipelineBarrier2(cmd, &to_present);
 
 		Vk_FrameEnd();
 	}
@@ -130,3 +173,4 @@ int main(int argc, char **argv)
 #include "core/core.c"
 #include "os/core.c"
 #include "vulkan/core.c"
+#include "game/core.c"

code/game/aabb.h

@@ -1,6 +1,7 @@
 #if !defined(LD_GAME_AABB_H_)
 #define LD_GAME_AABB_H_
-#include "types.h"
+
+#include "../core/types.h"
 #include "../core/macros.h"
 
 

code/game/core.c

@@ -0,0 +1,198 @@
+void G_ImagesLoad(G_State *game) {
+	M_TempScope(0, 0) {
+		FS_List assets = FS_PathList(temp.arena, S("assets"));
+
+		Vk_Buffer staging = { 0 };
+		staging.size         = MB(256);
+		staging.usage        = VK_BUFFER_USAGE_TRANSFER_SRC_BIT;
+		staging.host_visible = true;
+
+		Vk_BufferCreate(&staging);
+
+		U8 *base   = staging.data;
+		U64 offset = 0;
+
+		Vk_CommandBuffer *cmds = Vk_CommandBufferPush();
+
+		U32 n_images = 0;
+
+		for (FS_Entry *it = assets.first; it != 0; it = it->next) {
+			if (Str8_EndsWith(it->basename, S("png"))) {
+				if (Str8_Equal(it->basename, S("saloon_ext.png"), 0)) {
+						printf("IMAGE SALOON == %d\n", n_images);
+				}
+
+				n_images += 1;
+			}
+		}
+
+		VkBufferImageCopy copy = { 0 };
+		game->images = M_ArenaPush(game->arena, G_Image, .count = n_images);
+		n_images = 0;
+
+		// Image upload is sbi_load -> copy to staging -> upload to gpu texture
+
+		for (FS_Entry *it = assets.first; it != 0; it = it->next) {
+			if (Str8_EndsWith(it->basename, S("png"))) {
+				S32 w, h, c;
+				stbi_uc *data = stbi_load((const char *) it->path.data, &w, &h, &c, 4);
+
+				if (data) {
+					G_Image *image = &game->images[n_images];
+
+					U64 image_sz = 4 * w * h;
+
+					M_CopySize(base, data, image_sz);
+
+					copy.bufferOffset      = offset;
+					copy.bufferRowLength   = 0;
+					copy.bufferImageHeight = 0;
+
+					copy.imageSubresource.aspectMask     = VK_IMAGE_ASPECT_COLOR_BIT;
+					copy.imageSubresource.mipLevel       = 0;
+					copy.imageSubresource.baseArrayLayer = 0;
+					copy.imageSubresource.layerCount     = 1;
+
+					copy.imageExtent.width  = w;
+					copy.imageExtent.height = h;
+					copy.imageExtent.depth  = 1;
+
+					base   += image_sz;
+					offset += image_sz;
+
+					Assert(offset <= staging.size);
+
+					n_images += 1;
+
+					image->name = Str8_Copy(game->arena, Str8_RemoveAfterLast(it->basename, '.'));
+
+					image->image.width  = w;
+					image->image.height = h;
+
+					image->image.format = VK_FORMAT_R8G8B8A8_SRGB;
+					image->image.usage  = VK_IMAGE_USAGE_SAMPLED_BIT;
+
+					Vk_ImageCreate(&image->image);
+
+					VkImageMemoryBarrier2 transfer = { 0 };
+					VkImageMemoryBarrier2 shader_read = { 0 };
+
+					transfer.sType         = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2;
+					transfer.srcStageMask  = VK_PIPELINE_STAGE_2_NONE;
+					transfer.srcAccessMask = VK_ACCESS_2_NONE;
+					transfer.dstStageMask  = VK_PIPELINE_STAGE_2_TRANSFER_BIT;
+					transfer.dstAccessMask = VK_ACCESS_2_TRANSFER_WRITE_BIT;
+					transfer.oldLayout     = VK_IMAGE_LAYOUT_UNDEFINED;
+					transfer.newLayout     = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
+					transfer.image         = image->image.handle;
+
+					transfer.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+					transfer.subresourceRange.layerCount = 1;
+					transfer.subresourceRange.levelCount = 1;
+
+					shader_read.sType         = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2;
+					shader_read.srcStageMask  = VK_PIPELINE_STAGE_2_TRANSFER_BIT;
+					shader_read.srcAccessMask = VK_ACCESS_2_TRANSFER_WRITE_BIT;
+					shader_read.dstStageMask  = VK_PIPELINE_STAGE_2_FRAGMENT_SHADER_BIT;
+					shader_read.dstAccessMask = VK_ACCESS_2_SHADER_SAMPLED_READ_BIT;
+					shader_read.oldLayout     = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL;
+					shader_read.newLayout     = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
+					shader_read.image         = image->image.handle;
+
+					shader_read.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+					shader_read.subresourceRange.layerCount = 1;
+					shader_read.subresourceRange.levelCount = 1;
+
+					VkDependencyInfo dep = { 0 };
+					dep.sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO;
+
+					dep.imageMemoryBarrierCount = 1;
+					dep.pImageMemoryBarriers    = &transfer;
+
+					vk.CmdPipelineBarrier2(cmds->handle, &dep);
+
+					vk.CmdCopyBufferToImage(cmds->handle, staging.handle, image->image.handle, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &copy);
+
+					dep.pImageMemoryBarriers = &shader_read;
+
+					vk.CmdPipelineBarrier2(cmds->handle, &dep);
+
+					stbi_image_free(data);
+				}
+			}
+		}
+
+		Vk_CommandBufferSubmit(cmds, true /* wait */);
+	}
+}
+
+void G_PipelinesLoad(G_State *game) {
+	game->pipelines = M_ArenaPush(game->arena, Vk_Pipeline, .count = 1);
+
+	Vk_Pipeline *basic = &game->pipelines[0];
+
+	VkShaderModule vshader = 0, fshader = 0;
+	M_TempScope(0, 0) {
+		Str8 vshader_code = FS_ReadEntireFile(temp.arena, S("assets/shaders/basic.vert.spv"));
+		Str8 fshader_code = FS_ReadEntireFile(temp.arena, S("assets/shaders/basic.frag.spv"));
+
+		VkShaderModuleCreateInfo create_info = { 0 };
+		create_info.sType    = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
+		create_info.pCode    = (U32 *) vshader_code.data;
+		create_info.codeSize = vshader_code.count;
+
+		vk.CreateShaderModule(vk.device, &create_info, 0, &vshader);
+
+		create_info.pCode    = (U32 *) fshader_code.data;
+		create_info.codeSize = fshader_code.count;
+
+		vk.CreateShaderModule(vk.device, &create_info, 0, &fshader);
+	}
+
+	// Create pipeline layout, its insane what you have to do for this because the ALREADY KNOW
+	// all of this information
+	{
+		VkDescriptorSetLayoutBinding bindings[2] = { 0 };
+
+		bindings[0].binding         = 0;
+		bindings[0].descriptorType  = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
+		bindings[0].descriptorCount = 1;
+		bindings[0].stageFlags      = VK_SHADER_STAGE_VERTEX_BIT;
+
+		bindings[1].binding         = 1;
+		bindings[1].descriptorType  = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
+		bindings[1].descriptorCount = 1;
+		bindings[1].stageFlags      = VK_SHADER_STAGE_FRAGMENT_BIT;
+
+		VkDescriptorSetLayoutCreateInfo set_info = { 0 };
+		set_info.sType        = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
+		set_info.bindingCount = 2;
+		set_info.pBindings    = bindings;
+
+		vk.CreateDescriptorSetLayout(vk.device, &set_info, 0, &basic->layout.set);
+
+		VkPipelineLayoutCreateInfo layout_create = { 0 };
+		layout_create.sType          = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
+		layout_create.setLayoutCount = 1;
+		layout_create.pSetLayouts    = &basic->layout.set;
+
+		vk.CreatePipelineLayout(vk.device, &layout_create, 0, &basic->layout.pipeline);
+	}
+
+	basic->targets.items[0] = vk.swapchain.format.format;
+	basic->targets.count    = 1;
+
+	basic->shaders.count = 2;
+
+	basic->shaders.items[0].stage  = VK_SHADER_STAGE_VERTEX_BIT;
+	basic->shaders.items[0].handle = vshader;
+
+	basic->shaders.items[1].stage  = VK_SHADER_STAGE_FRAGMENT_BIT;
+	basic->shaders.items[1].handle = fshader;
+
+	Vk_PipelineCreate(basic);
+}
+
+#include "impl/aabb.c"
+#include "impl/nav.c"
+#include "impl/player.c"

code/game/core.h

@@ -0,0 +1,40 @@
+#if !defined(LD_GAME_CORE_H_)
+#define LD_GAME_CORE_H_
+
+typedef struct G_Vertex G_Vertex;
+struct G_Vertex {
+	F32 x, y, z, w;
+	F32 u, v;
+	U32 c;
+	U32 pad;
+};
+
+typedef struct G_Image G_Image;
+struct G_Image {
+	Str8 name;
+	Vk_Image image;
+};
+
+typedef struct G_State G_State;
+struct G_State {
+	M_Arena *arena;
+
+	U32 n_images;
+	G_Image *images;
+
+	U32 n_pipelines;
+	Vk_Pipeline *pipelines;
+
+	Vk_Buffer vbo;
+};
+
+function void G_ImagesLoad(G_State *game);
+function void G_PipelinesLoad(G_State *game);
+
+#include "aabb.h"
+#include "player.h"
+#include "nav.h"
+#include "npc.h"
+#include "world.h"
+
+#endif  // LD_GAME_CORE_H_

code/game/impl/aabb.c

@@ -1,5 +1,5 @@
-#include "../aabb.h"
-#include "../types.h"
+#include "game/aabb.h"
+#include "core/types.h"
 
 bool AABB_Collide(AABB a, AABB b) {
   bool collision_x = a.pos.x + a.size.x >= b.pos.x && b.pos.x + b.size.x >= a.pos.x;

code/game/impl/nav.c

@@ -1,5 +1,6 @@
-#include "../nav.h"
-#include "../../core/types.h"
+#include "game/nav.h"
+#include "core/types.h"
+
 #include <stdio.h>
 
 #define MAX_UNFINISHED 128
@@ -19,11 +20,11 @@ struct navSearchState{
 
 navSearchState initState(U32 start, U32 meshSize) {
   navSearchState state = {};
-  for(int i = 0; i < meshSize; i++) {
+  for(U32 i = 0; i < meshSize; i++) {
     state.nodeStates[i].visited = false;
     state.nodeStates[i].addedToUnvisited = false;
     // underflow to the max :)
-    state.nodeStates[i].distance = -1;
+    state.nodeStates[i].distance = U64_MAX;
     state.nodeStates[i].shortest = 0;
   }
   state.nodeStates[start].distance = 0;
@@ -31,10 +32,10 @@ navSearchState initState(U32 start, U32 meshSize) {
 }
 
 U32 getLowestState(U32 unfinishedIndexes[128], U32 unfinishedCount, navSearchState state, U32 *offset) {
-  U32 lowest = -1;
-  U32 lowestI = -1;
+  U32 lowest  = U32_MAX;
+  U32 lowestI = U32_MAX;
   bool startFound = false;
-  for(int i = *offset; i < unfinishedCount; i++) {
+  for(U32 i = *offset; i < unfinishedCount; i++) {
     navSearchNodeState checkNode = state.nodeStates[unfinishedIndexes[i]];
     if(checkNode.visited) {
       if(!startFound) {
@@ -44,7 +45,7 @@ U32 getLowestState(U32 unfinishedIndexes[128], U32 unfinishedCount, navSearchSta
     }
     startFound = true;
     if (lowest > checkNode.distance) {
-      lowest = checkNode.distance;
+      lowest  = cast(U32) checkNode.distance;
       lowestI = unfinishedIndexes[i];
     }
   }
@@ -68,9 +69,9 @@ NavPath Nav_Path(NavMesh mesh, U32 start, U32 end) {
       NavConnection connection = mesh.nodes[lowestNodeIndex].connections[connectionI];
       navSearchNodeState *testNode = &state.nodeStates[connection.NodeIndex];
       if(testNode->visited) {continue;}
-      U32 distance = state.nodeStates[lowestNodeIndex].distance + connection.Cost;
-      distance += mesh.nodes[end].pos.x - mesh.nodes[connection.NodeIndex].pos.x;
-      distance += mesh.nodes[end].pos.y - mesh.nodes[connection.NodeIndex].pos.y;
+      U32 distance = cast(U32) (state.nodeStates[lowestNodeIndex].distance + connection.Cost);
+      distance += cast(U32) (mesh.nodes[end].pos.x - mesh.nodes[connection.NodeIndex].pos.x);
+      distance += cast(U32) (mesh.nodes[end].pos.y - mesh.nodes[connection.NodeIndex].pos.y);
       if(testNode->distance > distance) {
         testNode->distance = distance;
         testNode->shortest = lowestNodeIndex;

code/game/nav.h

@@ -1,8 +1,8 @@
 #if !defined(LD_GAME_NAV_H_)
 #define LD_GAME_NAV_H_
 
-#include "../core/types.h"
-#include "../core/macros.h"
+#include "core/types.h"
+#include "core/macros.h"
 
 #define NAV_MAX_PATH 1024
 #define NAV_MAX_CONNECTIONS 8

code/game/player.h

@@ -1,7 +1,11 @@
-#include "core/types.h"
-#include <SDL3/SDL_events.h>
+#if !defined(LD_GAME_PLAYER_H_)
+#define LD_GAME_PLAYER_H_
+
+#include "../core/types.h"
 #include "../core/macros.h"
 
+#include <SDL3/SDL_events.h>
+
 typedef struct Player Player;
 struct Player
 {
@@ -9,3 +13,5 @@ struct Player
 };
 
 function void PlayerUpdate(SDL_Event *event, Player *player);
+
+#endif  // LD_GAME_PLAYER_H_

code/game/world.h

@@ -3,8 +3,8 @@
 
 typedef struct World World;
 struct World {
-  NPC[128] npcs;
-  u32 npcCount;
+  NPC npcs[128];
+  U32 npcCount;
 };
 
 #endif  // LD_GAME_WORLD_H_

code/os/core.c

@@ -3,3 +3,19 @@
 #elif OS_LINUX
 	#include "impl/linux/core.c"
 #endif
+
+
+Str8 FS_ReadEntireFile(M_Arena *arena, Str8 path) {
+	Str8 result = { 0 };
+
+	OS_Handle file = FS_FileOpen(path, FS_ACCESS_READ);
+	if (file.v[0]) {
+		result.count = FS_FileSize(file);
+		result.data  = M_ArenaPush(arena, U8, .count = result.count);
+
+		FS_FileRead(file, result.data, result.count, 0);
+		FS_FileClose(file);
+	}
+
+	return result;
+}

code/os/core.h

@@ -1,6 +1,11 @@
 #if !defined(LD_OS_CORE_H_)
 #define LD_OS_CORE_H_
 
+typedef struct OS_Handle OS_Handle;
+struct OS_Handle {
+	U64 v[1];
+};
+
 // Virtual memory
 
 function U64 VM_PageSize();
@@ -11,4 +16,6 @@ function B32   VM_Commit(void *base, U64 size);
 function void  VM_Decommit(void *base, U64 size);
 function void  VM_Release(void *base, U64 size);
 
+#include "filesystem.h"
+
 #endif  // LD_OS_CORE_H_

code/os/filesystem.h

@@ -0,0 +1,49 @@
+#if !defined(LD_OS_FILESYSTEM_H_)
+#define LD_OS_FILESYSTEM_H_
+
+typedef U32 FS_AccessFlags;
+enum {
+	FS_ACCESS_READ  = (1 << 0),
+	FS_ACCESS_WRITE = (1 << 1)
+};
+
+function OS_Handle FS_FileOpen(Str8 path, FS_AccessFlags access);
+function void      FS_FileClose(OS_Handle file);
+
+function void FS_FileRead(OS_Handle file, void *ptr, U64 size, U64 offset);
+function void FS_FileWrite(OS_Handle file, void *ptr, U64 size, U64 offset);
+
+function U64 FS_FileSize(OS_Handle file);
+
+typedef U32 FS_EntryType;
+enum {
+	FS_ENTRY_TYPE_FILE = 0,
+	FS_ENTRY_TYPE_DIR
+};
+
+typedef struct FS_Entry FS_Entry;
+struct FS_Entry {
+	FS_Entry *next;
+
+	FS_EntryType type;
+
+	Str8 path;
+	Str8 basename;
+
+	U64 time;
+	U64 size;
+};
+
+typedef struct FS_List FS_List;
+struct FS_List {
+	FS_Entry *first;
+	FS_Entry *last;
+
+	U32 count;
+};
+
+function FS_List FS_PathList(M_Arena *arena, Str8 path);
+
+function Str8 FS_ReadEntireFile(M_Arena *arena, Str8 path);
+
+#endif  // LD_OS_FILESYSTEM_H_

code/os/impl/windows/core.c

@@ -1,3 +1,32 @@
+// Windows utilities
+
+internal Str8 Win32_WideStr(M_Arena *arena, Str8 v) {
+	Str8 result = { 0 };
+
+	S32 nchars = MultiByteToWideChar(CP_UTF8, 0, (LPCCH) v.data, (int) v.count, 0, 0) + 1;
+	U64 nbytes = nchars << 1;
+
+	result.count = nbytes - 2; // -2 because we don't include the null-terminator in the count
+	result.data  = M_ArenaPush(arena, U8, .count = nbytes);
+
+	MultiByteToWideChar(CP_UTF8, 0, (LPCCH) v.data, (int) v.count, (LPWSTR) result.data, nchars);
+
+	return result;
+}
+
+internal Str8 Win32_MultiByteStr(M_Arena *arena, LPWSTR wstr) {
+	Str8 result = { 0 };
+
+	S32 nbytes = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, 0, 0, 0, 0);
+
+	result.count = nbytes - 1;
+	result.data  = M_ArenaPush(arena, U8, .count = nbytes);
+
+	WideCharToMultiByte(CP_UTF8, 0, wstr, -1, (LPSTR) result.data, nbytes, 0, 0);
+
+	return result;
+}
+
 // Virtual memory
 
 U64 VM_PageSize() {
@@ -36,3 +65,4 @@ void VM_Release(void *base, U64 size) {
 	VirtualFree(base, 0, MEM_RELEASE);
 }
 
+#include "filesystem.c"

code/os/impl/windows/filesystem.c

@@ -0,0 +1,134 @@
+OS_Handle FS_FileOpen(Str8 path, FS_AccessFlags access) {
+	OS_Handle result = { 0 };
+
+	M_TempScope(0, 0) {
+		Str8 wpath = Win32_WideStr(temp.arena, path);
+
+		DWORD dwAccess = 0;
+		DWORD dwShare  = FILE_SHARE_READ;
+		DWORD dwCreate = OPEN_EXISTING;
+
+		if (access & FS_ACCESS_WRITE) {
+			dwCreate = CREATE_ALWAYS;
+			dwAccess = GENERIC_WRITE;
+		}
+
+		if (access & FS_ACCESS_READ) {
+			dwAccess |= GENERIC_READ;
+		}
+
+		HANDLE hFile = CreateFileW((LPCWSTR) wpath.data, dwAccess, dwShare, 0, dwCreate, 0, 0);
+
+		result.v[0] = (hFile == INVALID_HANDLE_VALUE) ? 0 : ((U64) hFile);
+	}
+	return result;
+}
+
+void FS_FileClose(OS_Handle file) {
+	HANDLE hFile = cast(HANDLE) file.v[0];
+	if (hFile) {
+		CloseHandle(hFile);
+	}
+}
+
+void FS_FileRead(OS_Handle file, void *ptr, U64 size, U64 offset) {
+	HANDLE hFile = cast(HANDLE) file.v[0];
+	if (hFile) {
+		U8 *buffer    = ptr;
+		U64 current   = offset;
+		U64 remainder = size;
+
+		while (remainder != 0) {
+			OVERLAPPED overlapped = { 0 };
+			overlapped.Offset     = cast(DWORD) (current & 0xFFFFFFFF);
+			overlapped.OffsetHigh = cast(DWORD) ((current >> 32) & 0xFFFFFFFF);
+
+			DWORD toread = (remainder > U32_MAX) ? U32_MAX : (DWORD) remainder;
+			DWORD nread  = 0;
+
+			if (!ReadFile(hFile, buffer, toread, &nread, &overlapped)) {
+				break;
+			}
+
+			buffer    += nread;
+			current   += nread;
+			remainder -= nread;
+		}
+	}
+}
+
+void FS_FileWrite(OS_Handle file, void *ptr, U64 size, U64 offset) {
+	HANDLE hFile = cast(HANDLE) file.v[0];
+	if (hFile) {
+		U8 *buffer    = ptr;
+		U64 current   = offset;
+		U64 remainder = size;
+
+		while (remainder != 0) {
+			OVERLAPPED overlapped = { 0 };
+			overlapped.Offset     = cast(DWORD) (current & 0xFFFFFFFF);
+			overlapped.OffsetHigh = cast(DWORD) ((current >> 32) & 0xFFFFFFFF);
+
+			DWORD towrite  = (remainder > U32_MAX) ? U32_MAX : (DWORD) remainder;
+			DWORD nwritten = 0;
+
+			if (!WriteFile(hFile, buffer, towrite, &nwritten, &overlapped)) {
+				break;
+			}
+
+			buffer    += nwritten;
+			current   += nwritten;
+			remainder -= nwritten;
+		}
+	}
+}
+
+U64 FS_FileSize(OS_Handle file) {
+	U64 result = 0;
+	HANDLE hFile = cast(HANDLE) file.v[0];
+	if (hFile) {
+		DWORD dwLow, dwHigh;
+		dwLow = GetFileSize(hFile, &dwHigh);
+
+		result = ((U64) dwHigh << 32) | ((U64) dwLow);
+	}
+
+	return result;
+}
+
+FS_List FS_PathList(M_Arena *arena, Str8 path) {
+	FS_List result = { 0 };
+
+	M_TempScope(1, &arena) {
+		Str8 wpath = Win32_WideStr(temp.arena, Sf(temp.arena, "%.*s\\*", Sv(path)));
+
+		WIN32_FIND_DATAW find = { 0 };
+		HANDLE hFind = FindFirstFileW((LPCWSTR) wpath.data, &find);
+
+		while (hFind != INVALID_HANDLE_VALUE) {
+			if (find.cFileName[0] != L'.') {
+				FS_Entry *entry = M_ArenaPush(arena, FS_Entry);
+
+				entry->type = (find.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? FS_ENTRY_TYPE_DIR : FS_ENTRY_TYPE_FILE;
+
+				entry->basename = Win32_MultiByteStr(arena, find.cFileName);
+				entry->path     = Sf(arena, "%.*s/%.*s", Sv(path), Sv(entry->basename));
+
+				FILETIME *wt = &find.ftLastWriteTime;
+
+				entry->time = ((U64) wt->dwHighDateTime << 32) | ((U64) wt->dwLowDateTime);
+				entry->size = ((U64) find.nFileSizeHigh << 32) | ((U64) find.nFileSizeLow);
+
+				SLL_Enqueue(result.first, result.last, entry);
+
+				result.count += 1;
+			}
+
+			if (!FindNextFileW(hFind, &find)) {
+				break;
+			}
+		}
+	}
+
+	return result;
+}

code/vulkan/core.c

@@ -330,6 +330,7 @@ bool Vk_Setup(SDL_Window *window) {
 
 		VkResult err = vk.CreateCommandPool(vk.device, &pool, 0, &frame->pool);
 
+		// Base command buffer
 		VkCommandBufferAllocateInfo alloc = { 0 };
 		alloc.sType              = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
 		alloc.commandBufferCount = 1;
@@ -338,21 +339,58 @@ bool Vk_Setup(SDL_Window *window) {
 
 		vk.AllocateCommandBuffers(vk.device, &alloc, &frame->cmd);
 
-		VkSemaphoreCreateInfo semaphore = { 0 };
-		semaphore.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
+		// Scratch command buffers
+		VkCommandBuffer scratch[VK_NUM_SCRATCH];
+		alloc.commandBufferCount = VK_NUM_SCRATCH;
 
-		err = Min(vk.CreateSemaphore(vk.device, &semaphore, 0, &frame->acquire),  err);
-		err = Min(vk.CreateSemaphore(vk.device, &semaphore, 0, &frame->complete), err);
+		vk.AllocateCommandBuffers(vk.device, &alloc, scratch);
 
 		VkFenceCreateInfo fence = { 0 };
 		fence.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
 		fence.flags = VK_FENCE_CREATE_SIGNALED_BIT;
 
+		for (U32 s = 0; s < VK_NUM_SCRATCH; ++s) {
+			frame->scratch[s].handle = scratch[s];
+			err = Min(vk.CreateFence(vk.device, &fence, 0, &frame->scratch[s].fence), err);
+		}
+
+		// Descriptor pool
+		VkDescriptorPoolSize pool_sizes[2] = { 0 };
+
+		pool_sizes[0].type            = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER;
+		pool_sizes[0].descriptorCount = 2048;
+
+		pool_sizes[1].type            = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER;
+		pool_sizes[1].descriptorCount = 2048;
+
+		VkDescriptorPoolCreateInfo descriptor_pool = { 0 };
+		descriptor_pool.sType         = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
+		descriptor_pool.maxSets       = 1024;
+		descriptor_pool.poolSizeCount = 2;
+		descriptor_pool.pPoolSizes    = pool_sizes;
+
+		vk.CreateDescriptorPool(vk.device, &descriptor_pool, 0, &frame->descriptors);
+
+		VkSemaphoreCreateInfo semaphore = { 0 };
+		semaphore.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
+
+		err = Min(vk.CreateSemaphore(vk.device, &semaphore, 0, &frame->acquire),  err);
+		err = Min(vk.CreateSemaphore(vk.device, &semaphore, 0, &frame->complete), err);
 		err = Min(vk.CreateFence(vk.device, &fence, 0, &frame->fence), err);
 
 		vk.err = err;
 	}
 
+	{
+		VkSamplerCreateInfo create_info = { 0 };
+		create_info.sType      = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
+		create_info.magFilter  = VK_FILTER_NEAREST;
+		create_info.minFilter  = VK_FILTER_NEAREST;
+		create_info.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
+
+		vk.CreateSampler(vk.device, &create_info, 0, &vk.sampler);
+	}
+
 	result = (vk.err == VK_SUCCESS);
 	return result;
 }
@@ -365,6 +403,7 @@ Vk_Frame *Vk_FrameBegin(SDL_Window *window) {
 
 	vk.ResetFences(vk.device, 1, &frame->fence);
 	vk.ResetCommandPool(vk.device, frame->pool, 0);
+	vk.ResetDescriptorPool(vk.device, frame->descriptors, 0);
 
 	VkResult res = vk.AcquireNextImageKHR(vk.device, vk.swapchain.handle, UINT64_MAX, frame->acquire, 0, &frame->image);
 	(void) res; // @Todo: check res to see if swapchain is out of date and rebuild
@@ -374,12 +413,54 @@ Vk_Frame *Vk_FrameBegin(SDL_Window *window) {
 
 	vk.BeginCommandBuffer(frame->cmd, &begin_info);
 
+	VkImageMemoryBarrier2 colour_optimal = { 0 };
+	colour_optimal.sType         = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2;
+	colour_optimal.srcStageMask  = VK_PIPELINE_STAGE_2_NONE;
+	colour_optimal.srcAccessMask = VK_ACCESS_2_NONE;
+	colour_optimal.dstStageMask  = VK_PIPELINE_STAGE_2_COLOR_ATTACHMENT_OUTPUT_BIT;
+	colour_optimal.dstAccessMask = VK_ACCESS_2_COLOR_ATTACHMENT_WRITE_BIT;
+	colour_optimal.oldLayout     = VK_IMAGE_LAYOUT_UNDEFINED;
+	colour_optimal.newLayout     = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+	colour_optimal.image         = vk.swapchain.images[frame->image];
+
+	colour_optimal.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+	colour_optimal.subresourceRange.layerCount = 1;
+	colour_optimal.subresourceRange.levelCount = 1;
+
+	VkDependencyInfo colour_barrier = { 0 };
+	colour_barrier.sType                   = VK_STRUCTURE_TYPE_DEPENDENCY_INFO;
+	colour_barrier.imageMemoryBarrierCount = 1;
+	colour_barrier.pImageMemoryBarriers    = &colour_optimal;
+
+	vk.CmdPipelineBarrier2(frame->cmd, &colour_barrier);
+
 	return frame;
 }
 
 void Vk_FrameEnd() {
 	Vk_Frame *frame = &vk.frames[vk.n_frames % vk.in_flight];
 
+	VkImageMemoryBarrier2 present_src = { 0 };
+	present_src.sType         = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER_2;
+	present_src.srcStageMask  = VK_PIPELINE_STAGE_2_COLOR_ATTACHMENT_OUTPUT_BIT;
+	present_src.srcAccessMask = VK_ACCESS_2_COLOR_ATTACHMENT_WRITE_BIT;
+	present_src.dstStageMask  = VK_PIPELINE_STAGE_2_NONE;
+	present_src.dstAccessMask = VK_ACCESS_2_NONE;
+	present_src.oldLayout     = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+	present_src.newLayout     = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
+	present_src.image         = vk.swapchain.images[frame->image];
+
+	present_src.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+	present_src.subresourceRange.layerCount = 1;
+	present_src.subresourceRange.levelCount = 1;
+
+	VkDependencyInfo to_present = { 0 };
+	to_present.sType                   = VK_STRUCTURE_TYPE_DEPENDENCY_INFO;
+	to_present.imageMemoryBarrierCount = 1;
+	to_present.pImageMemoryBarriers    = &present_src;
+
+	vk.CmdPipelineBarrier2(frame->cmd, &to_present);
+
 	vk.EndCommandBuffer(frame->cmd);
 
 	VkPipelineStageFlags stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
@@ -408,3 +489,223 @@ void Vk_FrameEnd() {
 
 	vk.n_frames += 1;
 }
+
+Vk_CommandBuffer *Vk_CommandBufferPush() {
+	Vk_Frame *frame = &vk.frames[vk.n_frames % vk.in_flight];
+
+	// If this scratch buffer is still in use wait for it to finish, this is _bad_ but we
+	// shouldn't hit this
+	U32 idx = frame->next_scratch & (VK_NUM_SCRATCH - 1);
+
+	Vk_CommandBuffer *result = &frame->scratch[idx];
+
+	vk.WaitForFences(vk.device, 1, &result->fence, VK_TRUE, U64_MAX);
+	vk.ResetFences(vk.device, 1, &result->fence);
+
+	VkCommandBufferBeginInfo begin_info = { 0 };
+	begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
+
+	vk.BeginCommandBuffer(result->handle, &begin_info);
+
+	return result;
+}
+
+void Vk_CommandBufferSubmit(Vk_CommandBuffer *cmds, B32 wait) {
+	vk.EndCommandBuffer(cmds->handle);
+
+	VkSubmitInfo submit_info = { 0 };
+	submit_info.sType                = VK_STRUCTURE_TYPE_SUBMIT_INFO;
+	submit_info.commandBufferCount   = 1;
+	submit_info.pCommandBuffers      = &cmds->handle;
+
+	vk.QueueSubmit(vk.queue.handle, 1, &submit_info, cmds->fence);
+
+	if (wait) { vk.DeviceWaitIdle(vk.device); }
+}
+
+#define VK_HOST_VISIBLE_FLAGS (VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)
+
+internal VkDeviceMemory Vk_Allocate(VkMemoryRequirements *mreq, VkMemoryPropertyFlags usage) {
+	VkDeviceMemory result = VK_NULL_HANDLE;
+
+	VkPhysicalDeviceMemoryProperties2 _props = { 0 };
+	_props.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_PROPERTIES_2;
+
+	vk.GetPhysicalDeviceMemoryProperties2(vk.gpu, &_props);
+
+	// ?????
+	VkPhysicalDeviceMemoryProperties *props = &_props.memoryProperties;
+
+	U32 type_index = U32_MAX;
+
+	for (U32 it = 0; it < props->memoryTypeCount; ++it) {
+		VkMemoryType *type = &props->memoryTypes[it];
+		if ((type->propertyFlags & usage) == usage) {
+			type_index = it;
+			break;
+		}
+	}
+
+	if (type_index != -1) {
+		VkMemoryAllocateInfo alloc_info = { 0 };
+		alloc_info.sType           = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
+		alloc_info.allocationSize  = mreq->size;
+		alloc_info.memoryTypeIndex = type_index;
+
+		vk.AllocateMemory(vk.device, &alloc_info, 0, &result);
+	}
+
+	return result;
+}
+
+void Vk_BufferCreate(Vk_Buffer *buffer) {
+	VkBufferCreateInfo create_info = { 0 };
+	create_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO;
+	create_info.usage = buffer->usage;
+	create_info.size  = buffer->size;
+
+	vk.CreateBuffer(vk.device, &create_info, 0, &buffer->handle);
+
+	VkMemoryRequirements req;
+	vk.GetBufferMemoryRequirements(vk.device, buffer->handle, &req);
+
+	VkMemoryPropertyFlags usage = buffer->host_visible ? VK_HOST_VISIBLE_FLAGS : VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT;
+
+	buffer->size   = req.size;
+	buffer->memory = Vk_Allocate(&req, usage);
+
+	vk.BindBufferMemory(vk.device, buffer->handle, buffer->memory, 0);
+
+	if (buffer->host_visible) {
+		vk.MapMemory(vk.device, buffer->memory, 0, buffer->size, 0, &buffer->data);
+	}
+}
+
+void Vk_ImageCreate(Vk_Image *image) {
+	VkImageCreateInfo create_info = { 0 };
+	create_info.sType         = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
+	create_info.imageType     = VK_IMAGE_TYPE_2D;
+	create_info.format        = image->format;
+	create_info.extent.width  = image->width;
+	create_info.extent.height = image->height;
+	create_info.extent.depth  = 1;
+	create_info.mipLevels     = 1;
+	create_info.arrayLayers   = 1;
+	create_info.usage         = VK_IMAGE_USAGE_TRANSFER_DST_BIT | image->usage;
+	create_info.samples       = VK_SAMPLE_COUNT_1_BIT;
+	create_info.tiling        = VK_IMAGE_TILING_OPTIMAL;
+
+	vk.CreateImage(vk.device, &create_info, 0, &image->handle);
+
+	VkMemoryRequirements req;
+	vk.GetImageMemoryRequirements(vk.device, image->handle, &req);
+
+	image->size   = req.size;
+	image->memory = Vk_Allocate(&req, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
+
+	vk.BindImageMemory(vk.device, image->handle, image->memory, 0);
+
+	VkImageViewCreateInfo view_info = { 0 };
+	view_info.sType    = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
+	view_info.viewType = VK_IMAGE_VIEW_TYPE_2D;
+	view_info.format   = image->format;
+	view_info.image    = image->handle;
+
+	view_info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+	view_info.subresourceRange.levelCount = 1;
+	view_info.subresourceRange.layerCount = 1;
+
+	vk.CreateImageView(vk.device, &view_info, 0, &image->view);
+}
+
+void Vk_PipelineCreate(Vk_Pipeline *pipeline) {
+	VkPipelineInputAssemblyStateCreateInfo ia = { 0 };
+	ia.sType    = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO;
+	ia.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
+
+	VkPipelineShaderStageCreateInfo shaders[8] = { 0 };
+	for (U32 it = 0; it < pipeline->shaders.count; ++it) {
+		shaders[it].sType  = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
+		shaders[it].stage  = pipeline->shaders.items[it].stage;
+		shaders[it].module = pipeline->shaders.items[it].handle;
+		shaders[it].pName  = "main";
+	}
+
+	VkPipelineVertexInputStateCreateInfo vi = { 0 };
+	vi.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
+
+	// This will be updated later using dynamic commands but we still need to supply one here for
+	// some reason
+	VkViewport viewport = { 0, 0, 10, 10, 0, 1 };
+	VkRect2D   scissor  = { 0, 0, 10, 10 };
+
+	VkPipelineViewportStateCreateInfo vp = { 0 };
+	vp.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO;
+	vp.viewportCount = 1;
+	vp.pViewports    = &viewport;
+	vp.scissorCount  = 1;
+	vp.pScissors     = &scissor;
+
+	VkPipelineRasterizationStateCreateInfo rs = { 0 };
+	rs.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO;
+	rs.lineWidth = 1.0f;
+
+	VkPipelineMultisampleStateCreateInfo ms = { 0 };
+	ms.sType                = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO;
+	ms.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
+
+	VkPipelineDepthStencilStateCreateInfo ds = { 0 };
+	ds.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO;
+
+	VkPipelineColorBlendAttachmentState blend = { 0 };
+	blend.blendEnable         = VK_TRUE;
+	blend.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
+	blend.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
+	blend.colorBlendOp        = VK_BLEND_OP_ADD;
+	blend.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE;
+	blend.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
+	blend.alphaBlendOp        = VK_BLEND_OP_ADD;
+	blend.colorWriteMask      = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
+
+	VkPipelineColorBlendStateCreateInfo om = { 0 };
+	om.sType           = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO;
+	om.attachmentCount = 1;
+	om.pAttachments    = &blend;
+
+	VkDynamicState dynamic_state[] = {
+		VK_DYNAMIC_STATE_VIEWPORT,
+		VK_DYNAMIC_STATE_SCISSOR
+	};
+
+	VkPipelineDynamicStateCreateInfo dyn = { 0 };
+	dyn.sType             = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO;
+	dyn.dynamicStateCount = ArraySize(dynamic_state);
+	dyn.pDynamicStates    = dynamic_state;
+
+	VkFormat formats[8];
+	for (U32 it = 0; it < pipeline->targets.count; ++it) {
+		formats[it] = pipeline->targets.items[it];
+	}
+
+	VkPipelineRenderingCreateInfo rendering_info = { 0 };
+	rendering_info.sType = VK_STRUCTURE_TYPE_PIPELINE_RENDERING_CREATE_INFO;
+	rendering_info.colorAttachmentCount    = pipeline->targets.count;
+	rendering_info.pColorAttachmentFormats = formats;
+
+	VkGraphicsPipelineCreateInfo create_info = { 0 };
+	create_info.sType               = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
+	create_info.pNext               = &rendering_info;
+	create_info.stageCount          = pipeline->shaders.count;
+	create_info.pStages             = shaders;
+	create_info.pVertexInputState   = &vi;
+	create_info.pInputAssemblyState = &ia;
+	create_info.pViewportState      = &vp;
+	create_info.pRasterizationState = &rs;
+	create_info.pMultisampleState   = &ms;
+	create_info.pDepthStencilState  = &ds;
+	create_info.pColorBlendState    = &om;
+	create_info.pDynamicState       = &dyn;
+	create_info.layout              = pipeline->layout.pipeline;
+
+	vk.CreateGraphicsPipelines(vk.device, 0, 1, &create_info, 0, &pipeline->handle);
+}

code/vulkan/core.h

@@ -23,15 +23,79 @@
 #define function static
 
 #define VK_MAX_FRAMES_IN_FLIGHT 8
+#define VK_NUM_SCRATCH 8
+
+typedef struct Vk_Image Vk_Image;
+struct Vk_Image {
+	VkDeviceMemory memory;
+	VkDeviceSize   size;
+
+	VkImage handle;
+	VkImageView view;
+
+	VkFormat format;
+	VkImageUsageFlags usage;
+	U32 width, height;
+};
+
+typedef struct Vk_Buffer Vk_Buffer;
+struct Vk_Buffer {
+	VkBuffer handle;
+
+	VkDeviceMemory memory;
+	VkDeviceSize   size;
+
+	VkBufferUsageFlags usage;
+
+	B32 host_visible;
+	void *data; // if mapped host visible memory
+};
+
+typedef struct Vk_Shader Vk_Shader;
+struct Vk_Shader {
+	VkShaderModule handle;
+	VkShaderStageFlags stage;
+};
+
+typedef struct Vk_Pipeline Vk_Pipeline;
+struct Vk_Pipeline {
+	VkPipeline handle;
+
+	struct {
+		VkPipelineLayout pipeline;
+		VkDescriptorSetLayout set;
+	} layout;
+
+	struct {
+		VkFormat items[8];
+		U32 count;
+	} targets;
+
+	struct {
+		Vk_Shader items[8];
+		U32 count;
+	} shaders;
+};
+
+typedef struct Vk_CommandBuffer Vk_CommandBuffer;
+struct Vk_CommandBuffer {
+	VkCommandBuffer handle;
+	VkFence fence;
+};
 
 typedef struct Vk_Frame Vk_Frame;
 struct Vk_Frame {
 	VkCommandPool   pool;
 	VkCommandBuffer cmd;
 
+	VkDescriptorPool descriptors;
+
 	VkSemaphore acquire, complete;
 	VkFence fence;
 
+	U32 next_scratch;
+	Vk_CommandBuffer scratch[VK_NUM_SCRATCH];
+
 	U32 image; // swapchain image index
 };
 
@@ -77,6 +141,8 @@ struct Vk_Context {
 		U32 width;
 		U32 height;
 	} swapchain;
+
+	VkSampler sampler;
 };
 
 extern Vk_Context vk;
@@ -86,4 +152,10 @@ function bool Vk_Setup(SDL_Window *window);
 function Vk_Frame *Vk_FrameBegin(SDL_Window *window);
 function void Vk_FrameEnd();
 
+function Vk_CommandBuffer *Vk_CommandBufferPush();
+function void              Vk_CommandBufferSubmit(Vk_CommandBuffer *cmds, B32 wait);
+
+function void Vk_BufferCreate(Vk_Buffer *buffer);
+function void Vk_ImageCreate(Vk_Image *image);
+
 #endif  // LD_VULKAN_CORE_H_

code/vulkan/functions.h

@@ -6,6 +6,7 @@
 	VK_FUNC(GetDeviceProcAddr);
 	VK_FUNC(GetPhysicalDeviceSurfaceCapabilitiesKHR);
 	VK_FUNC(GetPhysicalDeviceSurfaceFormatsKHR);
+	VK_FUNC(GetPhysicalDeviceMemoryProperties2);
 
 #if defined(VK_USE_PLATFORM_WIN32_KHR)
 	VK_FUNC(CreateWin32SurfaceKHR);
@@ -39,7 +40,30 @@
 	VK_FUNC(BeginCommandBuffer);
 	VK_FUNC(EndCommandBuffer);
 	VK_FUNC(DeviceWaitIdle);
+	VK_FUNC(AllocateMemory);
+	VK_FUNC(CreateBuffer);
+	VK_FUNC(GetBufferMemoryRequirements);
+	VK_FUNC(BindBufferMemory);
+	VK_FUNC(CreateImage);
+	VK_FUNC(GetImageMemoryRequirements);
+	VK_FUNC(BindImageMemory);
+	VK_FUNC(MapMemory);
+	VK_FUNC(CreateGraphicsPipelines);
+	VK_FUNC(CreateShaderModule);
+	VK_FUNC(CreateDescriptorSetLayout);
+	VK_FUNC(CreatePipelineLayout);
+	VK_FUNC(CmdBindPipeline);
+	VK_FUNC(CreateDescriptorPool);
+	VK_FUNC(ResetDescriptorPool);
+	VK_FUNC(AllocateDescriptorSets);
+	VK_FUNC(CmdBindDescriptorSets);
+	VK_FUNC(UpdateDescriptorSets);
+	VK_FUNC(CreateSampler);
+	VK_FUNC(CmdDraw);
+	VK_FUNC(CmdSetViewport);
+	VK_FUNC(CmdSetScissor);
 
+	VK_FUNC(CmdCopyBufferToImage);
 	VK_FUNC(CmdPipelineBarrier2);
 	VK_FUNC(CmdBeginRendering);
 	VK_FUNC(CmdEndRendering);

code/vulkan/shaders/basic.frag

@@ -0,0 +1,12 @@
+#version 460 core
+
+layout(location = 0) in vec2 frag_uv;
+layout(location = 1) in vec4 frag_c;
+
+layout(location = 0) out vec4 framebuffer;
+
+layout(binding = 1) uniform sampler2D u_image;
+
+void main() {
+	framebuffer = frag_c * texture(u_image, frag_uv);
+}

code/vulkan/shaders/basic.vert

@@ -0,0 +1,28 @@
+#version 460 core
+
+#extension GL_EXT_scalar_block_layout : enable
+
+struct Vertex {
+	vec4 p;
+	vec2 uv;
+	uint c;
+	uint pad;
+};
+
+layout(binding = 0, scalar)
+readonly buffer Vertices {
+	Vertex vtx[];
+};
+
+layout(location = 0) out vec2 frag_uv;
+layout(location = 1) out vec4 frag_c;
+
+void main() {
+	Vertex v = vtx[gl_VertexIndex];
+
+	gl_Position = v.p;
+
+	frag_uv = v.uv;
+	frag_c  = vec4((v.c >> 24) & 0xFF, (v.c >> 16) & 0xFF, (v.c >> 8) & 0xFF, (v.c >> 0) & 0xFF) / 255.0f;
+	frag_c  = frag_c.abgr;
+}

windows.bat

@@ -9,6 +9,7 @@ PUSHD "build"
 
 SET deps=0
 SET release=0
+SET assets=0
 
 FOR %%A in (%*) DO (
 	SET %%A=1
@@ -51,9 +52,22 @@ IF %deps% equ 1 (
 	COPY "..\thirdparty\stb\*.h" "deps\stb" > NUL
 )
 
+IF %assets% equ 1 (
+	ECHO [Copying assets]
+
+	xcopy /Y /Q "..\assets" "assets"
+)
+
+ECHO [Building shaders]
+
+IF NOT EXIST "assets\shaders" ( MKDIR "assets\shaders" )
+
+glslangValidator -o "assets\shaders\basic.vert.spv" --target-env vulkan1.3 "..\code\vulkan\shaders\basic.vert"
+glslangValidator -o "assets\shaders\basic.frag.spv" --target-env vulkan1.3 "..\code\vulkan\shaders\basic.frag"
+
 ECHO [Building source]
 
-SET COMPILER_OPTS=-nologo -W4 -I"deps\SDL3\include" -I"deps\stb" -I"%VULKAN_SDK%\Include"
+SET COMPILER_OPTS=-nologo -W4 -I"deps\SDL3\include" -I"deps\stb" -I"%VULKAN_SDK%\Include" -I"..\code"
 SET LINKER_OPTS=-LIBPATH:"deps\SDL3\lib" SDL3.lib
 
 IF %release% equ 1 (