From 16afbddeada7161e931dc261d3404bb5bbc1743d Mon Sep 17 00:00:00 2001 From: omniscient <17525998+omnisci3nce@users.noreply.github.com> Date: Thu, 17 Oct 2024 15:54:22 +1100 Subject: add .m on mac. log INFO and module name --- src/backend_mtl.m | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 src/backend_mtl.m (limited to 'src/backend_mtl.m') diff --git a/src/backend_mtl.m b/src/backend_mtl.m new file mode 100644 index 0000000..9a99e14 --- /dev/null +++ b/src/backend_mtl.m @@ -0,0 +1,22 @@ +#define GPU_METAL 1 + +#ifdef GPU_METAL +#include + +// Obj-C imports +#import +#import +#import +#import + +// --- RAL types +struct gpu_device { + id id; +}; + +struct gpu_swapchain { + int width, height; + CAMetalLayer* swapchain; +}; + +#endif \ No newline at end of file -- cgit v1.2.3-70-g09d2 From 3e1aea0243f54e0b68baa3b19ac19f3d965484e0 Mon Sep 17 00:00:00 2001 From: omniscient <17525998+omnisci3nce@users.noreply.github.com> Date: Thu, 17 Oct 2024 16:49:11 +1100 Subject: start on metal backend --- Makefile | 27 +++++------ TODO.md | 1 + .../render/archive/backends/metal/backend_metal.m | 2 +- examples/triangle.c | 2 +- include/celeritas.h | 19 +++++++- src/backend_mtl.m | 52 ++++++++++++++++++++-- src/core.c | 29 ++++++++++-- 7 files changed, 108 insertions(+), 24 deletions(-) (limited to 'src/backend_mtl.m') diff --git a/Makefile b/Makefile index 9689dae..67b79a4 100644 --- a/Makefile +++ b/Makefile @@ -4,11 +4,7 @@ CFLAGS := -Wall -Wextra -O2 $(INCLUDES) LDFLAGS := -lglfw # Detect OS -ifeq ($(OS),Windows_NT) - DETECTED_OS := Windows -else - DETECTED_OS := $(shell uname -s) -endif +UNAME_S := $(shell uname -s) # Directories SRC_DIR := src @@ -22,17 +18,14 @@ EXAMPLES_DIR := examples SRCS := $(wildcard $(SRC_DIR)/*.c $(SRC_DIR)/**/*.c) OBJS := $(patsubst $(SRC_DIR)/%.c,$(OBJ_DIR)/%.o,$(SRCS)) -# Add Metal backend written in Objective C only on Mac platform -ifeq ($(DETECTED_OS),Darwin) - SRCS += $(SRC_DIR)/backend_mtl.m -endif - # Library outputs STATIC_LIB := $(BUILD_DIR)/libceleritas.a ifeq ($(UNAME_S),Darwin) SHARED_LIB := $(BUILD_DIR)/libceleritas.dylib SHARED_FLAGS := -dynamiclib - LDFLAGS += -framework Foundation -framework CoreFoundation -framework CoreGraphics -framework AppKit + LDFLAGS += -framework Foundation -framework CoreFoundation -framework CoreGraphics -framework AppKit -framework QuartzCore -framework Metal -framework MetalKit + SRCS += $(SRC_DIR)/backend_mtl.m + OBJS += $(OBJ_DIR)/backend_mtl.o else SHARED_LIB := $(BUILD_DIR)/libceleritas.so SHARED_FLAGS := -shared @@ -47,6 +40,11 @@ $(OBJ_DIR)/%.o: $(SRC_DIR)/%.c @mkdir -p $(OBJ_DIR) $(CC) $(CFLAGS) -c $< -o $@ +# Objective C +$(OBJ_DIR)/%.o: $(SRC_DIR)/%.m + @mkdir -p $(OBJ_DIR) + $(CC) $(CFLAGS) -c $< -o $@ + $(SHARED_LIB): $(OBJS) @mkdir -p $(BUILD_DIR) $(CC) $(SHARED_FLAGS) -o $@ $^ $(LDFLAGS) @@ -63,11 +61,10 @@ static: $(STATIC_LIB) all: shared static .PHONY: triangle -triangle: build/triangle.bin - -build/triangle.bin: $(EXAMPLES_DIR)/triangle.c $(STATIC_LIB) +triangle: $(EXAMPLES_DIR)/triangle.c $(SHARED_LIB) @mkdir -p $(BUILD_DIR) - $(CC) $(CFLAGS) $< -o $@ -L$(BUILD_DIR) -lceleritas $(LDFLAGS) + $(CC) $(CFLAGS) $(EXAMPLES_DIR)/triangle.c -L$(BUILD_DIR) -lceleritas $(LDFLAGS) + MTL_DEBUG_LAYER=1 build/triangle.bin .PHONY: clean clean: diff --git a/TODO.md b/TODO.md index 6e255fa..aa01249 100644 --- a/TODO.md +++ b/TODO.md @@ -6,6 +6,7 @@ - compile example - [ ] Consolidate down to a handful of examples - [x] Get rid of doxygen +- [ ] make format - [ ] Move to Vulkan-first rendering - [ ] Build in pipeline (needs vulkan) - [ ] Incorporate vma \ No newline at end of file diff --git a/archive/src/render/archive/backends/metal/backend_metal.m b/archive/src/render/archive/backends/metal/backend_metal.m index 4787755..0e9399e 100644 --- a/archive/src/render/archive/backends/metal/backend_metal.m +++ b/archive/src/render/archive/backends/metal/backend_metal.m @@ -1,5 +1,5 @@ #include -// #define CEL_REND_BACKEND_METAL +#define CEL_REND_BACKEND_METAL #if defined(CEL_REND_BACKEND_METAL) #include #include "ral_types.h" diff --git a/examples/triangle.c b/examples/triangle.c index 83da5e4..ccbcea3 100644 --- a/examples/triangle.c +++ b/examples/triangle.c @@ -6,7 +6,7 @@ int main() { core_bringup("Celeritas Example: Triangle", NULL); while (!app_should_exit()) { - // + glfwPollEvents(); } return 0; diff --git a/include/celeritas.h b/include/celeritas.h index 0437e15..c157918 100644 --- a/include/celeritas.h +++ b/include/celeritas.h @@ -78,6 +78,7 @@ struct GLFWwindow* get_window(); struct core { const char* app_name; struct GLFWwindow* window; + bool should_exit; renderer* renderer; input_state* input; }; @@ -238,7 +239,6 @@ DEFINE_HANDLE(pipeline_handle); #define MAX_SHADER_BINDINGS 16 // Backend-specific structs -typedef struct gpu_device gpu_device; typedef struct gpu_swapchain gpu_swapchain; typedef struct gpu_compute_pipeline gpu_compute_pipeline; typedef struct gpu_gfx_pipeline gpu_gfx_pipeline; @@ -341,11 +341,21 @@ typedef struct gfx_pipeline_desc { } gfx_pipeline_desc; // --- RAL Functions + +// Resources buf_handle ral_buffer_create(u64 size, const void* data); void ral_buffer_destroy(buf_handle handle); tex_handle ral_texture_create(texture_desc desc, bool create_view, const void* data); void ral_texture_destroy(tex_handle handle); +// Backend lifecycle +void ral_backend_init(const char* window_name, struct GLFWwindow* window); +void ral_backend_shutdown(); + +// Frame lifecycle +void ral_frame_start(); +void ral_frame_end(); + // --- Containers (Forward declared as internals are unnecessary for external header) typedef struct u32_darray u32_darray; @@ -381,6 +391,11 @@ geometry geo_cone(f32 radius, f32 height, u32 resolution); geometry geo_uv_sphere(f32 radius, u32 north_south_lines, u32 east_west_lines); geometry geo_ico_sphere(f32 radius, f32 n_subdivisions); +// --- Renderer + +// void renderer_init(renderer* rend); +// void renderer_shutdown(renderer* rend); + // --- Scene / Transform Hierarchy // --- Gameplay @@ -407,6 +422,8 @@ model_handle model_load_from_gltf(const char* path); // --- Animation +// Compute shader approach so we only need one kind of vertex format + // --- Collisions // --- Physics diff --git a/src/backend_mtl.m b/src/backend_mtl.m index 9a99e14..b3cd224 100644 --- a/src/backend_mtl.m +++ b/src/backend_mtl.m @@ -3,20 +3,66 @@ #ifdef GPU_METAL #include +#define MTL_DEBUG_LAYER 1 + // Obj-C imports #import #import #import #import +#define GLFW_INCLUDE_NONE +#import +#define GLFW_EXPOSE_NATIVE_COCOA +#import + // --- RAL types -struct gpu_device { - id id; -}; struct gpu_swapchain { int width, height; CAMetalLayer* swapchain; }; +typedef struct metal_context { + GLFWwindow* window; + NSWindow* metal_window; + + id device; + id surface; + gpu_swapchain default_swapchain; + + id command_queue; +} metal_context; + +static metal_context ctx; + +void ral_backend_init(const char* window_name, struct GLFWwindow* window) { + printf("loading Metal backend\n"); + + printf("gpu device creation\n"); + const id gpu = MTLCreateSystemDefaultDevice(); + ctx.device = gpu; + + printf("window init\n"); + glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); + glfwMakeContextCurrent(window); + NSWindow* nswindow = glfwGetCocoaWindow(window); + ctx.metal_window = nswindow; + + // effectively the "framebuffer" + CAMetalLayer* metal_layer = [CAMetalLayer layer]; + metal_layer.device = gpu; + metal_layer.pixelFormat = MTLPixelFormatBGRA8Unorm; + ctx.metal_window.contentView.layer = metal_layer; + ctx.metal_window.contentView.wantsLayer = true; + + printf("command queue creation\n"); + const id queue = [ctx.device newCommandQueue]; + ctx.command_queue = queue; +} + +void ral_backend_shutdown() { + // no-op +} + #endif \ No newline at end of file diff --git a/src/core.c b/src/core.c index 0c3c5ea..080e806 100644 --- a/src/core.c +++ b/src/core.c @@ -4,12 +4,35 @@ NAMESPACED_LOGGER(core); +core g_core = {0}; + +// forward declares +void key_callback(GLFWwindow* win, int key, int scancode, int action, int mods); + void core_bringup(const char* window_name, struct GLFWwindow* optional_window) { - // INFO("Initiate Core bringup"); INFO("Initiate Core bringup"); INFO("Create GLFW window"); + glfwInit(); + GLFWwindow* glfw_window = glfwCreateWindow(800, 600, window_name, NULL, NULL); + g_core.window = glfw_window; + + // This may move into a renderer struct + ral_backend_init(window_name, glfw_window); + + glfwSetKeyCallback(glfw_window, key_callback); +} +void core_shutdown() { + ral_backend_shutdown(); + glfwTerminate(); +} + +bool app_should_exit() { + return glfwWindowShouldClose(g_core.window) || g_core.should_exit; } -void core_shutdown() {} -bool app_should_exit() { return false; } +void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods) { + if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) { + g_core.should_exit = true; + } +} \ No newline at end of file -- cgit v1.2.3-70-g09d2 From c557763010a8976680f37609ca10e666ff849cd9 Mon Sep 17 00:00:00 2001 From: omniscient <17525998+omnisci3nce@users.noreply.github.com> Date: Thu, 17 Oct 2024 19:18:38 +1100 Subject: metal triangle! --- Makefile | 17 ++++- README.md | 2 +- assets/shaders/triangle.metal | 38 ++++------- examples/triangle.c | 46 +++++++++++++ include/celeritas.h | 77 +++++++++++++++++++--- src/backend_mtl.m | 150 ++++++++++++++++++++++++++++++++++++++++-- src/core.c | 13 +++- src/log.c | 2 +- src/mem.c | 89 +++++++++++++++++++++++++ 9 files changed, 387 insertions(+), 47 deletions(-) (limited to 'src/backend_mtl.m') diff --git a/Makefile b/Makefile index 67b79a4..cc1c3c0 100644 --- a/Makefile +++ b/Makefile @@ -18,6 +18,11 @@ EXAMPLES_DIR := examples SRCS := $(wildcard $(SRC_DIR)/*.c $(SRC_DIR)/**/*.c) OBJS := $(patsubst $(SRC_DIR)/%.c,$(OBJ_DIR)/%.o,$(SRCS)) +# Shader files +METAL_SHADERS := $(wildcard $(SHADER_DIR)/*.metal) +METAL_AIR_FILES := $(patsubst $(SHADER_DIR)/%.metal,$(SHADER_OUT_DIR)/%.air,$(METAL_SHADERS)) +METAL_LIB := $(SHADER_OUT_DIR)/default.metallib + # Library outputs STATIC_LIB := $(BUILD_DIR)/libceleritas.a ifeq ($(UNAME_S),Darwin) @@ -57,13 +62,21 @@ shared: $(SHARED_LIB) static: $(STATIC_LIB) +# Shaders +$(SHADER_OUT_DIR)/%.air: $(SHADER_DIR)/%.metal + @mkdir -p $(SHADER_OUT_DIR) + xcrun -sdk macosx metal -c $< -o $@ + +$(METAL_LIB): $(METAL_AIR_FILES) + xcrun -sdk macosx metallib $^ -o $(SHADER_OUT_DIR)/default.metallib + .PHONY: all all: shared static .PHONY: triangle -triangle: $(EXAMPLES_DIR)/triangle.c $(SHARED_LIB) +triangle: $(EXAMPLES_DIR)/triangle.c $(SHARED_LIB) $(SHADER_OUT_DIR)/triangle.air $(METAL_LIB) @mkdir -p $(BUILD_DIR) - $(CC) $(CFLAGS) $(EXAMPLES_DIR)/triangle.c -L$(BUILD_DIR) -lceleritas $(LDFLAGS) + $(CC) $(CFLAGS) $(EXAMPLES_DIR)/triangle.c -L$(BUILD_DIR) -lceleritas $(LDFLAGS) -o $(BUILD_DIR)/triangle.bin MTL_DEBUG_LAYER=1 build/triangle.bin .PHONY: clean diff --git a/README.md b/README.md index 1226c6f..60d59a6 100644 --- a/README.md +++ b/README.md @@ -37,4 +37,4 @@ Renderer Goals: - Check symbols in an 'archive' (static library) - `nm -C build/libcore.a` - Generate compiler_commands.json - - `xmake project -k compile_commands` + - `bear -- make` diff --git a/assets/shaders/triangle.metal b/assets/shaders/triangle.metal index 6055705..6522360 100644 --- a/assets/shaders/triangle.metal +++ b/assets/shaders/triangle.metal @@ -1,33 +1,17 @@ #include - using namespace metal; -struct VertexIn { - float2 position; - float3 color; -}; - -struct VertexOut { - float4 computedPosition [[position]]; - float3 fragColor; -}; - -// Vertex shader -vertex VertexOut basic_vertex( - const device VertexIn* vertex_array [[ buffer(0) ]], - unsigned int vid [[ vertex_id ]] - ) { - VertexIn v = vertex_array[vid]; - - VertexOut outVertex = VertexOut(); - outVertex.computedPosition = float4(v.position.xy, 0.0, 1.0); - outVertex.fragColor = v.color; - return outVertex; +vertex float4 +vertexShader(uint vertexID [[vertex_id]], + constant simd::float3* vertexPositions) +{ + float4 vertexOutPositions = float4(vertexPositions[vertexID][0], + vertexPositions[vertexID][1], + vertexPositions[vertexID][2], + 1.0f); + return vertexOutPositions; } -// Fragment shader -fragment float4 basic_fragment( - VertexOut interpolated [[stage_in]] -) { - return float4(interpolated.fragColor, 1.0); +fragment float4 fragmentShader(float4 vertexOutPositions [[stage_in]]) { + return float4(182.0f/255.0f, 240.0f/255.0f, 228.0f/255.0f, 1.0f); } \ No newline at end of file diff --git a/examples/triangle.c b/examples/triangle.c index ccbcea3..c304562 100644 --- a/examples/triangle.c +++ b/examples/triangle.c @@ -2,11 +2,57 @@ #include +static vec4 vertices[] = { + {-0.5f, -0.5f, 0.0f, 1.0}, + { 0.5f, -0.5f, 0.0f, 1.0}, + { 0.0f, 0.5f, 0.0f, 1.0} +}; + +pipeline_handle draw_pipeline; +buf_handle tri_vert_buffer; + +void draw() { + render_pass_desc d = {}; + gpu_encoder* enc = ral_render_encoder(d); + ral_encode_bind_pipeline(enc, draw_pipeline); + ral_encode_set_vertex_buf(enc, tri_vert_buffer); + ral_encode_draw_tris(enc, 0, 3); + ral_encoder_finish_and_submit(enc); +} + int main() { core_bringup("Celeritas Example: Triangle", NULL); + // create rendering pipeline + gfx_pipeline_desc pipeline_desc = { + .label = "Triangle drawing pipeline", + .vertex_desc = NULL, // TODO + .vertex = { + .source = NULL, + .is_spirv = false, + .entry_point = "vertexShader", + .shader_stage = VISIBILITY_VERTEX, + }, + .fragment = { + .source = NULL, + .is_spirv = false, + .entry_point = "fragmentShader", + .shader_stage = VISIBILITY_FRAGMENT, + }, + }; + + draw_pipeline = ral_gfx_pipeline_create(pipeline_desc); + + // create our buffer to hold vertices + printf("size of vertices %ld\n", sizeof(vec4) * 3); + tri_vert_buffer = ral_buffer_create(sizeof(vec4) * 3, &vertices); + while (!app_should_exit()) { glfwPollEvents(); + + ral_frame_start(); + ral_frame_draw(&draw); + ral_frame_end(); } return 0; diff --git a/include/celeritas.h b/include/celeritas.h index c157918..d4dab98 100644 --- a/include/celeritas.h +++ b/include/celeritas.h @@ -6,6 +6,8 @@ #include #include #include +#include +#include // Third party dependency includes #include @@ -127,7 +129,28 @@ void* void_pool_alloc(void_pool* pool, u32* out_raw_handle); void void_pool_dealloc(void_pool* pool, u32 raw_handle); u32 void_pool_insert(void_pool* pool, void* item); -// TODO: Typed pool +#define TYPED_POOL(T, Name) \ + typedef struct Name##_pool { \ + void_pool inner; \ + } Name##_pool; \ + \ + static Name##_pool Name##_pool_create(void* storage, u64 cap, u64 entry_size) { \ + void_pool p = void_pool_create(storage, "\"" #Name "\"", cap, entry_size); \ + return (Name##_pool){ .inner = p }; \ + } \ + static inline T* Name##_pool_get(Name##_pool* pool, Name##_handle handle) { \ + return (T*)void_pool_get(&pool->inner, handle.raw); \ + } \ + static inline T* Name##_pool_alloc(Name##_pool* pool, Name##_handle* out_handle) { \ + return (T*)void_pool_alloc(&pool->inner, &out_handle->raw); \ + } \ + static inline void Name##_pool_dealloc(Name##_pool* pool, Name##_handle handle) { \ + void_pool_dealloc(&pool->inner, handle.raw); \ + } \ + static Name##_handle Name##_pool_insert(Name##_pool* pool, T* item) { \ + u32 raw_handle = void_pool_insert(pool, item); \ + return (Name##_handle){ .raw = raw_handle }; \ + } // --- Strings @@ -234,15 +257,15 @@ inlined vec3 vec3_div(vec3 u, f32 s); DEFINE_HANDLE(buf_handle); DEFINE_HANDLE(tex_handle); DEFINE_HANDLE(pipeline_handle); +DEFINE_HANDLE(compute_pipeline_handle); #define MAX_VERTEX_ATTRIBUTES 16 #define MAX_SHADER_BINDINGS 16 // Backend-specific structs typedef struct gpu_swapchain gpu_swapchain; -typedef struct gpu_compute_pipeline gpu_compute_pipeline; -typedef struct gpu_gfx_pipeline gpu_gfx_pipeline; -typedef struct gpu_encoder gpu_encoder; // Command encoder +typedef struct gpu_encoder gpu_encoder; // Render command encoder +typedef struct gpu_compute_encoder gpu_compute_encoder; typedef struct gpu_buffer gpu_buffer; typedef struct gpu_texture gpu_texture; @@ -325,21 +348,30 @@ typedef struct shader_data_layout { size_t binding_count; } shader_data_layout; -typedef struct shader_desc { - // TODO -} shader_desc; +typedef struct shader_function { + const char* source; + bool is_spirv; + const char* entry_point; + shader_vis shader_stage; +} shader_function; typedef enum cull_mode { CULL_BACK_FACE, CULL_FRONT_FACE } cull_mode; typedef struct gfx_pipeline_desc { const char* label; vertex_desc vertex_desc; - shader_desc vs; - shader_desc fs; + shader_function vertex; + shader_function fragment; // ShaderDataLayout data_layouts[MAX_SHADER_DATA_LAYOUTS]; // u32 data_layouts_count; } gfx_pipeline_desc; +typedef struct compute_pipeline_desc { /* TODO */ } compute_pipeline_desc; + +typedef struct render_pass_desc { + +} render_pass_desc; + // --- RAL Functions // Resources @@ -348,12 +380,39 @@ void ral_buffer_destroy(buf_handle handle); tex_handle ral_texture_create(texture_desc desc, bool create_view, const void* data); void ral_texture_destroy(tex_handle handle); +// Encoders / cmd buffers +/** @brief grabs a new command encoder from the pool of available ones and begins recording */ +gpu_encoder* ral_render_encoder(render_pass_desc rpass_desc); + +gpu_compute_encoder ral_compute_encoder(); + +void ral_encoder_finish(gpu_encoder* enc); +void ral_encoder_submit(gpu_encoder* enc); +void ral_encoder_finish_and_submit(gpu_encoder* enc); + +pipeline_handle ral_gfx_pipeline_create(gfx_pipeline_desc desc); +void ral_gfx_pipeline_destroy(pipeline_handle handle); + +compute_pipeline_handle ral_compute_pipeline_create(compute_pipeline_desc); +void ral_compute_pipeline_destroy(compute_pipeline_handle handle); + +// Encoding +void ral_encode_bind_pipeline(gpu_encoder* enc, pipeline_handle pipeline); +void ral_encode_set_vertex_buf(gpu_encoder* enc, buf_handle vbuf); +void ral_encode_set_index_buf(gpu_encoder* enc, buf_handle ibuf); +void ral_encode_draw_tris(gpu_encoder* enc, size_t start, size_t count); + // Backend lifecycle void ral_backend_init(const char* window_name, struct GLFWwindow* window); void ral_backend_shutdown(); // Frame lifecycle + +typedef void (*scoped_draw_commands)(); // callback that we run our draw commands within. +// allows us to wrap some api-specific behaviour + void ral_frame_start(); +void ral_frame_draw(scoped_draw_commands draw_fn); void ral_frame_end(); // --- Containers (Forward declared as internals are unnecessary for external header) diff --git a/src/backend_mtl.m b/src/backend_mtl.m index b3cd224..6ff5058 100644 --- a/src/backend_mtl.m +++ b/src/backend_mtl.m @@ -1,7 +1,6 @@ -#define GPU_METAL 1 +#include #ifdef GPU_METAL -#include #define MTL_DEBUG_LAYER 1 @@ -16,6 +15,8 @@ #define GLFW_EXPOSE_NATIVE_COCOA #import +NAMESPACED_LOGGER(metal); + // --- RAL types struct gpu_swapchain { @@ -23,6 +24,22 @@ struct gpu_swapchain { CAMetalLayer* swapchain; }; +struct gpu_encoder { + id cmd_buffer; + id cmd_encoder; +}; + +typedef struct metal_pipeline { + id pso; +} metal_pipeline; + +typedef struct metal_buffer { + id id; +} metal_buffer; + +TYPED_POOL(metal_buffer, buf); +TYPED_POOL(metal_pipeline, pipeline); + typedef struct metal_context { GLFWwindow* window; NSWindow* metal_window; @@ -30,20 +47,25 @@ typedef struct metal_context { id device; id surface; gpu_swapchain default_swapchain; + id default_library; id command_queue; + + /* pools */ + buf_pool bufpool; + pipeline_pool psopool; // pso = pipeline state object } metal_context; static metal_context ctx; void ral_backend_init(const char* window_name, struct GLFWwindow* window) { - printf("loading Metal backend\n"); + TRACE("loading Metal backend"); - printf("gpu device creation\n"); + TRACE("gpu device creation"); const id gpu = MTLCreateSystemDefaultDevice(); ctx.device = gpu; - printf("window init\n"); + TRACE("window init"); glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); glfwMakeContextCurrent(window); NSWindow* nswindow = glfwGetCocoaWindow(window); @@ -55,14 +77,130 @@ void ral_backend_init(const char* window_name, struct GLFWwindow* window) { metal_layer.pixelFormat = MTLPixelFormatBGRA8Unorm; ctx.metal_window.contentView.layer = metal_layer; ctx.metal_window.contentView.wantsLayer = true; + ctx.default_swapchain.swapchain = metal_layer; - printf("command queue creation\n"); + TRACE("command queue creation"); const id queue = [ctx.device newCommandQueue]; ctx.command_queue = queue; + + TRACE("resource pool init"); + metal_buffer* buffer_storage = malloc(sizeof(metal_buffer) * 100); + ctx.bufpool = buf_pool_create(buffer_storage, 100, sizeof(metal_buffer)); + + metal_pipeline* pipeline_storage = malloc(sizeof(metal_pipeline) * 100); + ctx.psopool = pipeline_pool_create(pipeline_storage, 100, sizeof(metal_pipeline)); + + TRACE("create default metal lib"); + NSError* nserr = 0x0; + id default_library = [ctx.device newLibraryWithFile:@"build/shaders/default.metallib" error:&nserr]; + if (!default_library) { + ERROR("Error loading metal lib\n"); + exit(1); + } + ctx.default_library = default_library; + + INFO("Successfully initialised Metal RAL backend"); } void ral_backend_shutdown() { // no-op } +buf_handle ral_buffer_create(u64 size, const void *data) { + buf_handle handle; + metal_buffer* buffer = buf_pool_alloc(&ctx.bufpool, &handle); + buffer->id = [ctx.device newBufferWithBytes:data length:size options:MTLResourceStorageModeShared]; + + return handle; +} + +pipeline_handle ral_gfx_pipeline_create(gfx_pipeline_desc desc) { + TRACE("creating graphics pipeline"); + + pipeline_handle handle; + metal_pipeline* p = pipeline_pool_alloc(&ctx.psopool, &handle); + + @autoreleasepool { + // setup vertex and fragment shaders + NSString* vertex_entry_point = [NSString stringWithUTF8String:desc.vertex.entry_point]; + id vertex_func = [ctx.default_library newFunctionWithName:vertex_entry_point]; + assert(vertex_func); + + NSString* fragment_entry_point = [NSString stringWithUTF8String:desc.fragment.entry_point]; + id fragment_func = [ctx.default_library newFunctionWithName:fragment_entry_point]; + assert(fragment_func); + + NSError* err = 0x0; + MTLRenderPipelineDescriptor* pld = [[MTLRenderPipelineDescriptor alloc] init]; + // in auto release pool so dont need to call release() + + [pld setLabel:@"Pipeline"]; + [pld setVertexFunction:vertex_func]; + [pld setFragmentFunction:fragment_func]; + pld.colorAttachments[0].pixelFormat = MTLPixelFormatBGRA8Unorm; + pld.colorAttachments[0].blendingEnabled = YES; + assert(pld); + + id pso = [ctx.device newRenderPipelineStateWithDescriptor:pld error:&err]; + assert(pso); + p->pso = pso; + } + + return handle; +} + +gpu_encoder* ral_render_encoder(render_pass_desc rpass_desc) { + id buffer = [ctx.command_queue commandBuffer]; + + // create renderpass descriptor + MTLRenderPassDescriptor* rpd = [[MTLRenderPassDescriptor alloc] init]; + MTLRenderPassColorAttachmentDescriptor* cd = rpd.colorAttachments[0]; + [cd setTexture:ctx.surface.texture]; + [cd setLoadAction:MTLLoadActionClear]; + MTLClearColor clearColor = MTLClearColorMake(41.0f/255.0f, 42.0f/255.0f, 48.0f/255.0f, 1.0); + [cd setClearColor:clearColor]; + [cd setStoreAction:MTLStoreActionStore]; + + id encoder = [buffer renderCommandEncoderWithDescriptor:rpd]; + + gpu_encoder* enc = malloc(sizeof(gpu_encoder)); + enc->cmd_buffer = buffer; + enc->cmd_encoder = encoder; + + return enc; +} + +void ral_encoder_finish_and_submit(gpu_encoder* enc) { + [enc->cmd_encoder endEncoding]; + [enc->cmd_buffer presentDrawable:ctx.surface]; + [enc->cmd_buffer commit]; + [enc->cmd_buffer waitUntilCompleted]; +} + +void ral_encode_bind_pipeline(gpu_encoder *enc, pipeline_handle pipeline) { + metal_pipeline* p = pipeline_pool_get(&ctx.psopool, pipeline); + [enc->cmd_encoder setRenderPipelineState:p->pso]; +} + +void ral_encode_set_vertex_buf(gpu_encoder *enc, buf_handle vbuf) { + metal_buffer* b = buf_pool_get(&ctx.bufpool, vbuf); + [enc->cmd_encoder setVertexBuffer:b->id offset:0 atIndex:0 ]; +} + +void ral_encode_draw_tris(gpu_encoder* enc, size_t start, size_t count) { + MTLPrimitiveType tri_primitive = MTLPrimitiveTypeTriangle; + [enc->cmd_encoder drawPrimitives:tri_primitive vertexStart:start vertexCount:count]; +} + +void ral_frame_start() {} + +void ral_frame_draw(scoped_draw_commands draw_fn) { + @autoreleasepool { + ctx.surface = [ctx.default_swapchain.swapchain nextDrawable]; + draw_fn(); + } +} + +void ral_frame_end() {} + #endif \ No newline at end of file diff --git a/src/core.c b/src/core.c index 080e806..210c282 100644 --- a/src/core.c +++ b/src/core.c @@ -1,11 +1,18 @@ // The engine "core" #include +#include NAMESPACED_LOGGER(core); core g_core = {0}; +#ifdef GPU_METAL +static const char* gapi = "Metal"; +#else +static const char* gapi = "Vulkan"; +#endif + // forward declares void key_callback(GLFWwindow* win, int key, int scancode, int action, int mods); @@ -14,7 +21,11 @@ void core_bringup(const char* window_name, struct GLFWwindow* optional_window) { INFO("Create GLFW window"); glfwInit(); - GLFWwindow* glfw_window = glfwCreateWindow(800, 600, window_name, NULL, NULL); + + char* full_window_name = malloc(sizeof(char) * 100); + int _offset = sprintf(full_window_name, "%s (%s)", window_name, gapi); + + GLFWwindow* glfw_window = glfwCreateWindow(800, 600, full_window_name, NULL, NULL); g_core.window = glfw_window; // This may move into a renderer struct diff --git a/src/log.c b/src/log.c index 5a6ca5c..1083f29 100644 --- a/src/log.c +++ b/src/log.c @@ -7,5 +7,5 @@ static const char* log_level_strings[] = { void log_output(char* module, loglevel level, const char* message, ...) { char out_msg[4096]; - printf("[%s] %s Msg: %s\n", module, log_level_strings[level], message); + printf("[%s] %s - %s\n", module, log_level_strings[level], message); } diff --git a/src/mem.c b/src/mem.c index e69de29..ba122d7 100644 --- a/src/mem.c +++ b/src/mem.c @@ -0,0 +1,89 @@ +#include + +void_pool void_pool_create(void* storage, const char* debug_label, u64 capacity, u64 entry_size) { + size_t memory_requirements = capacity * entry_size; + // void* backing_buf = arena_alloc(a, memory_requirements); + + assert(entry_size >= sizeof(void_pool_header)); // TODO: create my own assert with error message + + void_pool pool = { .capacity = capacity, + .entry_size = entry_size, + .count = 0, + .backing_buffer = storage, + .free_list_head = NULL, + .debug_label = debug_label }; + + void_pool_free_all(&pool); + + return pool; +} + +void void_pool_free_all(void_pool* pool) { + // set all entries to be free + for (u64 i = 0; i < pool->capacity; i++) { + void* ptr = &pool->backing_buffer[i * pool->entry_size]; + void_pool_header* free_node = + (void_pool_header*)ptr; // we reuse the actual entry itself to hold the header + if (i == (pool->capacity - 1)) { + // if the last one we make its next pointer NULL indicating its full + free_node->next = NULL; + } + free_node->next = pool->free_list_head; + // now the head points to this entry + pool->free_list_head = free_node; + } +} + +void* void_pool_get(void_pool* pool, u32 raw_handle) { + // An handle is an index into the array essentially + void* ptr = pool->backing_buffer + (raw_handle * pool->entry_size); + return ptr; +} + +void* void_pool_alloc(void_pool* pool, u32* out_raw_handle) { + // get the next free node + if (pool->count == pool->capacity) { + // WARN("Pool is full!"); + return NULL; + } + if (pool->free_list_head == NULL) { + // ERROR("%s Pool is full (head = null)", pool->debug_label); + return NULL; + } + void_pool_header* free_node = pool->free_list_head; + + // What index does this become? + uintptr_t start = (uintptr_t)pool->backing_buffer; + uintptr_t cur = (uintptr_t)free_node; + // TRACE("%ld %ld ", start, cur); + assert(cur > start); + u32 index = (u32)((cur - start) / pool->entry_size); + /* printf("Index %d\n", index); */ + if (out_raw_handle != NULL) { + *out_raw_handle = index; + } + + pool->free_list_head = free_node->next; + + memset(free_node, 0, pool->entry_size); + pool->count++; + return (void*)free_node; +} + +void void_pool_dealloc(void_pool* pool, u32 raw_handle) { + // push free node back onto the free list + void* ptr = void_pool_get(pool, raw_handle); + void_pool_header* freed_node = (void_pool_header*)ptr; + + freed_node->next = pool->free_list_head; + pool->free_list_head = freed_node; + + pool->count--; +} + +u32 void_pool_insert(void_pool* pool, void* item) { + u32 raw_handle; + void* item_dest = void_pool_alloc(pool, &raw_handle); + memcpy(item_dest, item, pool->entry_size); + return raw_handle; +} -- cgit v1.2.3-70-g09d2 From 70175cfce551a6b534771bd2b1dea6cfb417be1f Mon Sep 17 00:00:00 2001 From: omniscient <17525998+omnisci3nce@users.noreply.github.com> Date: Thu, 17 Oct 2024 21:44:44 +1100 Subject: starting on cube --- Makefile | 8 +++- assets/textures/mc_grass.jpeg | Bin 0 -> 20480 bytes bindgen/BINDGEN.md | 1 - bindgen/odin/README.md | 1 - examples/cube.c | 57 +++++++++++++++++++++++++++ examples/triangle.c | 38 ++++++++++++++---- include/celeritas.h | 28 ++++++++++++++ src/backend_mtl.m | 61 ++++++++++++++++++++++++++++- src/core.c | 9 +++++ src/geometry.c | 88 ++++++++++++++++++++++++++++++++++++++++++ src/impl.c | 4 ++ src/maths.c | 2 + 12 files changed, 284 insertions(+), 13 deletions(-) create mode 100644 assets/textures/mc_grass.jpeg delete mode 100644 bindgen/odin/README.md create mode 100644 src/geometry.c create mode 100644 src/impl.c (limited to 'src/backend_mtl.m') diff --git a/Makefile b/Makefile index cc1c3c0..46890cd 100644 --- a/Makefile +++ b/Makefile @@ -1,5 +1,5 @@ CC := clang -INCLUDES := -I./include -Ideps/glfw-3.3.8/include/GLFW +INCLUDES := -I./include -Ideps/glfw-3.3.8/include/GLFW -Ideps/stb_image CFLAGS := -Wall -Wextra -O2 $(INCLUDES) LDFLAGS := -lglfw @@ -79,6 +79,12 @@ triangle: $(EXAMPLES_DIR)/triangle.c $(SHARED_LIB) $(SHADER_OUT_DIR)/triangle.ai $(CC) $(CFLAGS) $(EXAMPLES_DIR)/triangle.c -L$(BUILD_DIR) -lceleritas $(LDFLAGS) -o $(BUILD_DIR)/triangle.bin MTL_DEBUG_LAYER=1 build/triangle.bin +.PHONY: cube +cube: $(EXAMPLES_DIR)/cube.c $(SHARED_LIB) $(SHADER_OUT_DIR)/cube.air $(METAL_LIB) + @mkdir -p $(BUILD_DIR) + $(CC) $(CFLAGS) $(EXAMPLES_DIR)/cube.c -L$(BUILD_DIR) -lceleritas $(LDFLAGS) -o $(BUILD_DIR)/cube.bin + MTL_DEBUG_LAYER=1 build/cube.bin + .PHONY: clean clean: rm -rf $(BUILD_DIR) diff --git a/assets/textures/mc_grass.jpeg b/assets/textures/mc_grass.jpeg new file mode 100644 index 0000000..4f87254 Binary files /dev/null and b/assets/textures/mc_grass.jpeg differ diff --git a/bindgen/BINDGEN.md b/bindgen/BINDGEN.md index da7c785..6d32cdf 100644 --- a/bindgen/BINDGEN.md +++ b/bindgen/BINDGEN.md @@ -3,5 +3,4 @@ This is where we host code generation tools for generating bindings to `celerita Planned languages are: - OCaml (due to fairly different semantics we may have an extra high-level wrapper around the C bindings for convenience) -- Odin - Rust diff --git a/bindgen/odin/README.md b/bindgen/odin/README.md deleted file mode 100644 index f87f5c1..0000000 --- a/bindgen/odin/README.md +++ /dev/null @@ -1 +0,0 @@ -# TODO \ No newline at end of file diff --git a/examples/cube.c b/examples/cube.c index e69de29..6642e2a 100644 --- a/examples/cube.c +++ b/examples/cube.c @@ -0,0 +1,57 @@ +#include + +// vertices + +pipeline_handle draw_pipeline; +buf_handle cube_vbuf; +tex_handle texture; + +void draw() { + render_pass_desc d = {}; + gpu_encoder* enc = ral_render_encoder(d); + ral_encode_bind_pipeline(enc, draw_pipeline); + ral_encode_set_vertex_buf(enc, cube_vbuf); + ral_encode_set_texture(enc, texture, 0); + ral_encode_draw_tris(enc, 0, 36); + ral_encoder_finish_and_submit(enc); +} + +int main() { + core_bringup("Celeritas Example: Triangle", NULL); + + // create rendering pipeline + gfx_pipeline_desc pipeline_desc = { + .label = "Textured cube pipeline", + .vertex_desc = static_3d_vertex_format(), + .vertex = { + .source = NULL, + .is_spirv = false, + .entry_point = "cubeVertexShader", + .stage = STAGE_VERTEX, + }, + .fragment = { + .source = NULL, + .is_spirv = false, + .entry_point = "cubeFragmentShader", + .stage = STAGE_FRAGMENT, + }, + }; + + draw_pipeline = ral_gfx_pipeline_create(pipeline_desc); + + // create the cube geometry + geometry cube = geo_cuboid(1.0, 1.0, 1.0); + + // upload vertex data to the gpu + cube_vbuf = ral_buffer_create(64 * 36, cube.vertex_data); + + while (!app_should_exit()) { + glfwPollEvents(); + + ral_frame_start(); + ral_frame_draw(&draw); + ral_frame_end(); + } + + return 0; +} \ No newline at end of file diff --git a/examples/triangle.c b/examples/triangle.c index 401b5ac..e5cf92d 100644 --- a/examples/triangle.c +++ b/examples/triangle.c @@ -2,21 +2,39 @@ #include -static vec4 vertices[] = { - {-0.5f, -0.5f, 0.0f, 1.0}, - { 0.5f, -0.5f, 0.0f, 1.0}, - { 0.0f, 0.5f, 0.0f, 1.0} -}; +// static vec4 vertices[] = { +// {-0.5f, -0.5f, 0.0f, 1.0}, +// { 0.5f, -0.5f, 0.0f, 1.0}, +// { 0.0f, 0.5f, 0.0f, 1.0} +// }; + +typedef struct VertexData { + vec4 position; + vec2 texCoords; + f32 pad1; + f32 pad2; +} VertexData; + +VertexData squareVertices[] = { + {{-0.5, -0.5, 0.5, 1.0f}, {0.0f, 0.0f}, 0.0, 0.0}, + {{-0.5, 0.5, 0.5, 1.0f}, {0.0f, 1.0f}, 0.0, 0.0}, + {{ 0.5, 0.5, 0.5, 1.0f}, {1.0f, 1.0f}, 0.0, 0.0}, + {{-0.5, -0.5, 0.5, 1.0f}, {0.0f, 0.0f}, 0.0, 0.0}, + {{ 0.5, 0.5, 0.5, 1.0f}, {1.0f, 1.0f}, 0.0, 0.0}, + {{ 0.5, -0.5, 0.5, 1.0f}, {1.0f, 0.0f}, 0.0, 0.0} + }; pipeline_handle draw_pipeline; buf_handle tri_vert_buffer; +tex_handle texture; void draw() { render_pass_desc d = {}; gpu_encoder* enc = ral_render_encoder(d); ral_encode_bind_pipeline(enc, draw_pipeline); ral_encode_set_vertex_buf(enc, tri_vert_buffer); - ral_encode_draw_tris(enc, 0, 3); + ral_encode_set_texture(enc, texture, 0); + ral_encode_draw_tris(enc, 0, 6); ral_encoder_finish_and_submit(enc); } @@ -43,9 +61,13 @@ int main() { draw_pipeline = ral_gfx_pipeline_create(pipeline_desc); + // load texture from file + texture = ral_texture_load_from_file("assets/textures/mc_grass.jpeg"); + // create our buffer to hold vertices - printf("size of vertices %ld\n", sizeof(vec4) * 3); - tri_vert_buffer = ral_buffer_create(sizeof(vec4) * 3, &vertices); + size_t buffer_size = sizeof(VertexData) * 6; + printf("size of vertices %ld\n", buffer_size); + tri_vert_buffer = ral_buffer_create(buffer_size, &squareVertices); while (!app_should_exit()) { glfwPollEvents(); diff --git a/include/celeritas.h b/include/celeritas.h index 14e39dd..77b7a9b 100644 --- a/include/celeritas.h +++ b/include/celeritas.h @@ -6,6 +6,7 @@ #include #include #include +#include #include #include @@ -252,6 +253,25 @@ inlined vec3 vec3_sub(vec3 u, vec3 v); inlined vec3 vec3_mult(vec3 u, f32 s); inlined vec3 vec3_div(vec3 u, f32 s); +inlined vec4 vec4_create(f32 x, f32 y, f32 z, f32 w); + +// helpers + +#define vec3(x,y,z) ((vec3){ x, y, z }) +#define vec4(x,y,z,w) ((vec4){ x, y, z, w }) +inlined vec4 v3tov4(vec3 v3) { return vec4_create(v3.x, v3.y, v3.z, 0.0); } + +static const vec3 VEC3_X = vec3(1.0, 0.0, 0.0); +static const vec3 VEC3_NEG_X = vec3(-1.0, 0.0, 0.0); +static const vec3 VEC3_Y = vec3(0.0, 1.0, 0.0); +static const vec3 VEC3_NEG_Y = vec3(0.0, -1.0, 0.0); +static const vec3 VEC3_Z = vec3(0.0, 0.0, 1.0); +static const vec3 VEC3_NEG_Z = vec3(0.0, 0.0, -1.0); +static const vec3 VEC3_ZERO = vec3(0.0, 0.0, 0.0); +static const vec3 VEC3_ONES = vec3(1.0, 1.0, 1.0); + + + // --- RAL DEFINE_HANDLE(buf_handle); @@ -307,8 +327,12 @@ typedef struct vertex_desc { const char* label; vertex_attrib_type attributes[MAX_VERTEX_ATTRIBUTES]; u32 attribute_count; + u32 padding; } vertex_desc; +// Some default formats +vertex_desc static_3d_vertex_format(); + typedef enum shader_binding_type { BINDING_BYTES, BINDING_BUFFER, @@ -377,7 +401,9 @@ typedef struct render_pass_desc { // Resources buf_handle ral_buffer_create(u64 size, const void* data); void ral_buffer_destroy(buf_handle handle); + tex_handle ral_texture_create(texture_desc desc, bool create_view, const void* data); +tex_handle ral_texture_load_from_file(const char* filepath); void ral_texture_destroy(tex_handle handle); // Encoders / cmd buffers @@ -400,11 +426,13 @@ void ral_compute_pipeline_destroy(compute_pipeline_handle handle); void ral_encode_bind_pipeline(gpu_encoder* enc, pipeline_handle pipeline); void ral_encode_set_vertex_buf(gpu_encoder* enc, buf_handle vbuf); void ral_encode_set_index_buf(gpu_encoder* enc, buf_handle ibuf); +void ral_encode_set_texture(gpu_encoder* enc, tex_handle texture, u32 slot); void ral_encode_draw_tris(gpu_encoder* enc, size_t start, size_t count); // Backend lifecycle void ral_backend_init(const char* window_name, struct GLFWwindow* window); void ral_backend_shutdown(); +void ral_backend_resize_framebuffer(int width, int height); // Frame lifecycle diff --git a/src/backend_mtl.m b/src/backend_mtl.m index 6ff5058..48e0ab0 100644 --- a/src/backend_mtl.m +++ b/src/backend_mtl.m @@ -2,18 +2,20 @@ #ifdef GPU_METAL -#define MTL_DEBUG_LAYER 1 +#define MTL_DEBUG_LAYER 1 // enable all metal validation layers // Obj-C imports #import #import #import #import +#include #define GLFW_INCLUDE_NONE #import #define GLFW_EXPOSE_NATIVE_COCOA #import +#include "stb_image.h" NAMESPACED_LOGGER(metal); @@ -37,7 +39,12 @@ typedef struct metal_buffer { id id; } metal_buffer; +typedef struct metal_texture { + id id; +} metal_texture; + TYPED_POOL(metal_buffer, buf); +TYPED_POOL(metal_texture, tex); TYPED_POOL(metal_pipeline, pipeline); typedef struct metal_context { @@ -53,6 +60,7 @@ typedef struct metal_context { /* pools */ buf_pool bufpool; + tex_pool texpool; pipeline_pool psopool; // pso = pipeline state object } metal_context; @@ -66,15 +74,18 @@ void ral_backend_init(const char* window_name, struct GLFWwindow* window) { ctx.device = gpu; TRACE("window init"); - glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); glfwMakeContextCurrent(window); NSWindow* nswindow = glfwGetCocoaWindow(window); ctx.metal_window = nswindow; + int width, height; + glfwGetFramebufferSize(window, &width, &height); + // effectively the "framebuffer" CAMetalLayer* metal_layer = [CAMetalLayer layer]; metal_layer.device = gpu; metal_layer.pixelFormat = MTLPixelFormatBGRA8Unorm; + metal_layer.drawableSize = CGSizeMake(width, height); ctx.metal_window.contentView.layer = metal_layer; ctx.metal_window.contentView.wantsLayer = true; ctx.default_swapchain.swapchain = metal_layer; @@ -87,6 +98,9 @@ void ral_backend_init(const char* window_name, struct GLFWwindow* window) { metal_buffer* buffer_storage = malloc(sizeof(metal_buffer) * 100); ctx.bufpool = buf_pool_create(buffer_storage, 100, sizeof(metal_buffer)); + metal_texture* texture_storage = malloc(sizeof(metal_texture) * 100); + ctx.texpool = tex_pool_create(texture_storage, 100, sizeof(metal_texture)); + metal_pipeline* pipeline_storage = malloc(sizeof(metal_pipeline) * 100); ctx.psopool = pipeline_pool_create(pipeline_storage, 100, sizeof(metal_pipeline)); @@ -114,6 +128,39 @@ buf_handle ral_buffer_create(u64 size, const void *data) { return handle; } +tex_handle ral_texture_create(texture_desc desc, bool create_view, const void *data) { + tex_handle handle; + metal_texture* texture = tex_pool_alloc(&ctx.texpool, &handle); + + MTLTextureDescriptor* texture_descriptor = [[MTLTextureDescriptor alloc] init]; + [texture_descriptor setPixelFormat:MTLPixelFormatRGBA8Unorm]; + [texture_descriptor setWidth:desc.width]; + [texture_descriptor setHeight:desc.height]; + + texture->id = [ctx.device newTextureWithDescriptor:texture_descriptor]; + + MTLRegion region = MTLRegionMake2D(0, 0, desc.width, desc.height); + u32 bytes_per_row = 4 * desc.width; + + [texture->id replaceRegion:region mipmapLevel:0 withBytes:data bytesPerRow:bytes_per_row]; + + [texture_descriptor release]; + + return handle; +} + +tex_handle ral_texture_load_from_file(const char* filepath) { + texture_desc desc; + + stbi_set_flip_vertically_on_load(true); + unsigned char* image = stbi_load(filepath, &desc.width, &desc.height, &desc.num_channels, STBI_rgb_alpha); + assert(image != NULL); + + tex_handle handle = ral_texture_create(desc, false, image); + stbi_image_free(image); + return handle; +} + pipeline_handle ral_gfx_pipeline_create(gfx_pipeline_desc desc) { TRACE("creating graphics pipeline"); @@ -187,6 +234,11 @@ void ral_encode_set_vertex_buf(gpu_encoder *enc, buf_handle vbuf) { [enc->cmd_encoder setVertexBuffer:b->id offset:0 atIndex:0 ]; } +void ral_encode_set_texture(gpu_encoder* enc, tex_handle texture, u32 slot) { + metal_texture* t = tex_pool_get(&ctx.texpool, texture); + [enc->cmd_encoder setFragmentTexture:t->id atIndex:slot]; +} + void ral_encode_draw_tris(gpu_encoder* enc, size_t start, size_t count) { MTLPrimitiveType tri_primitive = MTLPrimitiveTypeTriangle; [enc->cmd_encoder drawPrimitives:tri_primitive vertexStart:start vertexCount:count]; @@ -203,4 +255,9 @@ void ral_frame_draw(scoped_draw_commands draw_fn) { void ral_frame_end() {} +void ral_backend_resize_framebuffer(int width, int height) { + TRACE("resizing framebuffer"); + ctx.default_swapchain.swapchain.drawableSize = CGSizeMake((float)width, (float)height); +} + #endif \ No newline at end of file diff --git a/src/core.c b/src/core.c index 210c282..9359a6b 100644 --- a/src/core.c +++ b/src/core.c @@ -2,6 +2,7 @@ #include #include +#include "glfw3.h" NAMESPACED_LOGGER(core); @@ -15,6 +16,7 @@ static const char* gapi = "Vulkan"; // forward declares void key_callback(GLFWwindow* win, int key, int scancode, int action, int mods); +void resize_callback(GLFWwindow* win, int width, int height); void core_bringup(const char* window_name, struct GLFWwindow* optional_window) { INFO("Initiate Core bringup"); @@ -22,6 +24,8 @@ void core_bringup(const char* window_name, struct GLFWwindow* optional_window) { INFO("Create GLFW window"); glfwInit(); + glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API); + char* full_window_name = malloc(sizeof(char) * 100); int _offset = sprintf(full_window_name, "%s (%s)", window_name, gapi); @@ -32,6 +36,7 @@ void core_bringup(const char* window_name, struct GLFWwindow* optional_window) { ral_backend_init(window_name, glfw_window); glfwSetKeyCallback(glfw_window, key_callback); + glfwSetFramebufferSizeCallback(glfw_window, resize_callback); } void core_shutdown() { ral_backend_shutdown(); @@ -46,4 +51,8 @@ void key_callback(GLFWwindow* window, int key, int scancode, int action, int mod if (key == GLFW_KEY_ESCAPE && action == GLFW_RELEASE) { g_core.should_exit = true; } +} + +void resize_callback(GLFWwindow* window, int width, int height) { + ral_backend_resize_framebuffer(width, height); } \ No newline at end of file diff --git a/src/geometry.c b/src/geometry.c new file mode 100644 index 0000000..d9b0aee --- /dev/null +++ b/src/geometry.c @@ -0,0 +1,88 @@ +#include + +typedef struct static_3d_vert { + vec4 pos; + vec4 norm; + vec2 uv; + vec2 pad; +} static_3d_vert; + +vertex_desc static_3d_vertex_format() { + vertex_desc desc; + desc.label = "Static 3D Vertex"; + desc.attributes[0] = ATTR_F32x4; // position + desc.attributes[1] = ATTR_F32x4; // normal + desc.attributes[2] = ATTR_F32x2; // tex coord + desc.attribute_count = 3; + desc.padding = 16; // 16 bytes padding + + return desc; +} + +geometry geo_cuboid(f32 x_scale, f32 y_scale, f32 z_scale) { + vec4 BACK_BOT_LEFT = (vec4){ 0, 0, 0, 0 }; + vec4 BACK_BOT_RIGHT = (vec4){ 1, 0, 0, 0 }; + vec4 BACK_TOP_LEFT = (vec4){ 0, 1, 0, 0 }; + vec4 BACK_TOP_RIGHT = (vec4){ 1, 1, 0, 0 }; + vec4 FRONT_BOT_LEFT = (vec4){ 0, 0, 1, 0 }; + vec4 FRONT_BOT_RIGHT = (vec4){ 1, 0, 1, 0 }; + vec4 FRONT_TOP_LEFT = (vec4){ 0, 1, 1, 0 }; + vec4 FRONT_TOP_RIGHT = (vec4){ 1, 1, 1, 0 }; + + // allocate the data + static_3d_vert* vertices = malloc(36 * 64); + + vertices[0] = (static_3d_vert){ .pos = BACK_TOP_RIGHT, .norm = (v3tov4(VEC3_NEG_Z)), .uv = {0, 0}}; + vertices[1] = (static_3d_vert){ .pos = BACK_BOT_LEFT, .norm = v3tov4(VEC3_NEG_Z), .uv = {0, 1} }; + vertices[2] = (static_3d_vert){ .pos = BACK_TOP_LEFT, .norm = v3tov4(VEC3_NEG_Z), .uv = {0, 0} }; + vertices[3] = (static_3d_vert){ .pos = BACK_TOP_RIGHT, .norm = v3tov4(VEC3_NEG_Z), .uv = {1, 0} }; + vertices[4] = (static_3d_vert){ .pos = BACK_BOT_RIGHT, .norm = v3tov4(VEC3_NEG_Z), .uv = {1, 1} }; + vertices[5] = (static_3d_vert){ .pos = BACK_BOT_LEFT, .norm = v3tov4(VEC3_NEG_Z), .uv = {0, 1} }; + + // front faces + vertices[6] = (static_3d_vert){ .pos = FRONT_BOT_LEFT, .norm = v3tov4(VEC3_Z), .uv = {0, 1} }; + vertices[7] = (static_3d_vert){ .pos = FRONT_TOP_RIGHT, .norm = v3tov4(VEC3_Z), .uv = {1, 0} }; + vertices[8] = (static_3d_vert){ .pos = FRONT_TOP_LEFT, .norm = v3tov4(VEC3_Z), .uv = {0, 0} }; + vertices[9] = (static_3d_vert){ .pos = FRONT_BOT_LEFT, .norm = v3tov4(VEC3_Z), .uv = {0, 1} }; + vertices[10] = (static_3d_vert){ .pos = FRONT_BOT_RIGHT, .norm = v3tov4(VEC3_Z), .uv = {1, 1} }; + vertices[11] = (static_3d_vert){ .pos = FRONT_TOP_RIGHT, .norm = v3tov4(VEC3_Z), .uv = {1, 0} }; + + // top faces + vertices[12] = (static_3d_vert){ .pos = BACK_TOP_LEFT, .norm = v3tov4(VEC3_Y), .uv = {0, 0} }; + vertices[13] = (static_3d_vert){ .pos = FRONT_TOP_LEFT, .norm = v3tov4(VEC3_Y), .uv = {0, 1} }; + vertices[14] = (static_3d_vert){ .pos = FRONT_TOP_RIGHT, .norm = v3tov4(VEC3_Y), .uv = {1, 1} }; + vertices[15] = (static_3d_vert){ .pos = BACK_TOP_LEFT, .norm = v3tov4(VEC3_Y), .uv = {0, 0} }; + vertices[16] = (static_3d_vert){ .pos = FRONT_TOP_RIGHT, .norm = v3tov4(VEC3_Y), .uv = {1, 1} }; + vertices[17] = (static_3d_vert){ .pos = BACK_TOP_RIGHT, .norm = v3tov4(VEC3_Y), .uv = {1, 0} }; + + // bottom faces + vertices[18] = (static_3d_vert){ .pos = BACK_BOT_LEFT, .norm = v3tov4(VEC3_NEG_Y), .uv = {0, 1} }; + vertices[19] = (static_3d_vert){ .pos = FRONT_BOT_RIGHT, .norm = v3tov4(VEC3_NEG_Y), .uv = {1, 1} }; + vertices[20] = (static_3d_vert){ .pos = FRONT_BOT_LEFT, .norm = v3tov4(VEC3_NEG_Y), .uv = {0, 1} }; + vertices[21] = (static_3d_vert){ .pos = BACK_BOT_LEFT, .norm = v3tov4(VEC3_NEG_Y), .uv = {0, 1} }; + vertices[22] = (static_3d_vert){ .pos = BACK_BOT_RIGHT, .norm = v3tov4(VEC3_NEG_Y), .uv = {1, 1} }; + vertices[23] = (static_3d_vert){ .pos = FRONT_BOT_RIGHT, .norm = v3tov4(VEC3_NEG_Y), .uv = {0, 1} }; + + // right faces + vertices[24] = (static_3d_vert){ .pos = FRONT_TOP_RIGHT, .norm = v3tov4(VEC3_X), .uv = {0, 0} }; + vertices[25] = (static_3d_vert){ .pos = BACK_BOT_RIGHT, .norm = v3tov4(VEC3_X), .uv = {1, 1} }; + vertices[26] = (static_3d_vert){ .pos = BACK_TOP_RIGHT, .norm = v3tov4(VEC3_X), .uv = {1, 0} }; + vertices[27] = (static_3d_vert){ .pos = BACK_BOT_RIGHT, .norm = v3tov4(VEC3_X), .uv = {1, 1} }; + vertices[28] = (static_3d_vert){ .pos = FRONT_TOP_RIGHT, .norm = v3tov4(VEC3_X), .uv = {0, 0} }; + vertices[29] = (static_3d_vert){ .pos = FRONT_BOT_RIGHT, .norm = v3tov4(VEC3_X), .uv = {0, 1} }; + + // left faces + vertices[30] = (static_3d_vert){ .pos = FRONT_TOP_LEFT, .norm = v3tov4(VEC3_NEG_X), .uv = {0, 0} }; + vertices[31] = (static_3d_vert){ .pos = BACK_TOP_LEFT, .norm = v3tov4(VEC3_NEG_X), .uv = {0, 0} }; + vertices[32] = (static_3d_vert){ .pos = BACK_BOT_LEFT, .norm = v3tov4(VEC3_NEG_X), .uv = {0, 0} }; + vertices[33] = (static_3d_vert){ .pos = BACK_BOT_LEFT, .norm = v3tov4(VEC3_NEG_X), .uv = {0, 0} }; + vertices[34] = (static_3d_vert){ .pos = FRONT_BOT_LEFT, .norm = v3tov4(VEC3_NEG_X), .uv = {0, 0} }; + vertices[35] = (static_3d_vert){ .pos = FRONT_TOP_LEFT, .norm = v3tov4(VEC3_NEG_X), .uv = {0, 0} }; + + return (geometry) { + .vertex_format = static_3d_vertex_format(), + .vertex_data = vertices, + .has_indices = false, + .indices = NULL + }; +} \ No newline at end of file diff --git a/src/impl.c b/src/impl.c new file mode 100644 index 0000000..18f2549 --- /dev/null +++ b/src/impl.c @@ -0,0 +1,4 @@ +// For pulling in implementation files of single-header libraries + +#define STB_IMAGE_IMPLEMENTATION +#include "stb_image.h" \ No newline at end of file diff --git a/src/maths.c b/src/maths.c index f12c852..95283e6 100644 --- a/src/maths.c +++ b/src/maths.c @@ -1,3 +1,5 @@ #include vec3 vec3_create(f32 x, f32 y, f32 z) { return (vec3){ x, y, z }; } + +vec4 vec4_create(f32 x, f32 y, f32 z, f32 w) { return (vec4){ x, y, z , w }; } \ No newline at end of file -- cgit v1.2.3-70-g09d2