mirror of
https://github.com/gfx-rs/wgpu.git
synced 2024-11-25 00:03:29 +00:00
Use CMake and update triangle example
This commit is contained in:
Joshua Groves
Dzmitry Malyshau
parent
05b5ee42e7
commit
26f965cfbb
@ -1,16 +0,0 @@
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CC=gcc
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CFLAGS=-I.
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DEPS=./wgpu-bindings/wgpu.h
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OUTDIR=./build
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LINK_ARGS=-L ../target/debug -lwgpu_native
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%.o: %.c $(DEPS)
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$(CC) $(LINK_ARGS) -c -o $(OUTDIR)/$@ $< $(CFLAGS)
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hello_triangle_c: hello_triangle_c/main.c
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mkdir -p $(OUTDIR)
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$(CC) $(LINK_ARGS) -o $(OUTDIR)/$@ $^ $(CFLAGS)
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.PHONY: all
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all: hello_triangle_c
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27
examples/hello_triangle_c/CMakeLists.txt
Normal file
27
examples/hello_triangle_c/CMakeLists.txt
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@ -0,0 +1,27 @@
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cmake_minimum_required(VERSION 3.11b)
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project(hello_triangle)
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set(TARGET_NAME hello_triangle)
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add_executable(hello_triangle main.c)
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if(MSVC)
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target_compile_options(${TARGET_NAME} PRIVATE /W4 /WX)
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else(MSVC)
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target_compile_options(${TARGET_NAME} PRIVATE -Wall -Wextra -pedantic)
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endif(MSVC)
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if(APPLE)
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add_compile_definitions(WGPU_TARGET WGPU_TARGET_MACOS)
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set(OS_LIBRARIES "-framework Cocoa" "-framework CoreVideo" "-framework IOKit" "-framework QuartzCore")
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target_compile_options(${TARGET_NAME} PRIVATE -x objective-c)
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endif(APPLE)
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find_package(glfw3)
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find_library(WGPU_LIBRARY wgpu_native
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HINTS "${CMAKE_CURRENT_SOURCE_DIR}/../../target/debug"
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)
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target_link_libraries(${TARGET_NAME} glfw ${WGPU_LIBRARY} ${OS_LIBRARIES})
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@ -1,9 +1,30 @@
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#include <stdio.h>
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#include "./../../wgpu-bindings/wgpu.h"
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#define STAGES_LENGTH (2)
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#define BLEND_STATES_LENGTH (1)
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#define ATTACHMENTS_LENGTH (1)
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#define WGPU_TARGET_MACOS 1
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#define WGPU_TARGET_LINUX 2
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#define WGPU_TARGET_WINDOWS 3
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#if WGPU_TARGET == WGPU_TARGET_MACOS
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#include <QuartzCore/CAMetalLayer.h>
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#include <Foundation/Foundation.h>
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#endif
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#include <GLFW/glfw3.h>
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#if WGPU_TARGET == WGPU_TARGET_MACOS
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#define GLFW_EXPOSE_NATIVE_COCOA
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#elif WGPU_TARGET == WGPU_TARGET_LINUX
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// TODO
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#elif WGPU_TARGET == WGPU_TARGET_WINDOWS
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#define GLFW_EXPOSE_NATIVE_WIN32
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#endif
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#include <GLFW/glfw3native.h>
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#define STAGES_LENGTH (2)
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#define BLEND_STATES_LENGTH (1)
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#define ATTACHMENTS_LENGTH (1)
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#define RENDER_PASS_ATTACHMENTS_LENGTH (1)
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#define BIND_GROUP_LAYOUTS_LENGTH (1)
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WGPUByteArray read_file(const char *name)
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{
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@ -35,20 +56,8 @@ int main()
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};
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WGPUDeviceId device = wgpu_adapter_create_device(adapter, &device_desc);
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WGPUBindGroupLayoutDescriptor bind_group_layout_desc = {
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.bindings = NULL,
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.bindings_length = 0,
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};
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WGPUBindGroupLayoutId _bind_group_layout = wgpu_device_create_bind_group_layout(device, &bind_group_layout_desc);
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WGPUPipelineLayoutDescriptor pipeline_layout_desc = {
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.bind_group_layouts = NULL,
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.bind_group_layouts_length = 0,
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};
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WGPUPipelineLayoutId layout = wgpu_device_create_pipeline_layout(device, &pipeline_layout_desc);
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WGPUShaderModuleDescriptor vertex_shader_desc = {
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.code = read_file("./../data/hello_triangle.vert.spv"),
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.code = read_file("./../../data/hello_triangle.vert.spv"),
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};
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WGPUShaderModuleId vertex_shader = wgpu_device_create_shader_module(device, &vertex_shader_desc);
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WGPUPipelineStageDescriptor vertex_stage = {
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@ -58,7 +67,7 @@ int main()
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};
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WGPUShaderModuleDescriptor fragment_shader_desc = {
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.code = read_file("./../data/hello_triangle.frag.spv"),
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.code = read_file("./../../data/hello_triangle.frag.spv"),
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};
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WGPUShaderModuleId fragment_shader = wgpu_device_create_shader_module(device, &fragment_shader_desc);
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WGPUPipelineStageDescriptor fragment_stage = {
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@ -67,15 +76,29 @@ int main()
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.entry_point = "main",
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};
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WGPUPipelineStageDescriptor stages[STAGES_LENGTH] = { vertex_stage, fragment_stage };
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WGPUPipelineStageDescriptor stages[STAGES_LENGTH] = {vertex_stage, fragment_stage};
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WGPUBindGroupLayoutDescriptor bind_group_layout_desc = {
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.bindings = NULL,
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.bindings_length = 0,
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};
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WGPUBindGroupLayoutId bind_group_layout = wgpu_device_create_bind_group_layout(device, &bind_group_layout_desc);
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WGPUBindGroupLayoutId bind_group_layouts[BIND_GROUP_LAYOUTS_LENGTH] = { bind_group_layout };
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WGPUPipelineLayoutDescriptor pipeline_layout_desc = {
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.bind_group_layouts = bind_group_layouts,
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.bind_group_layouts_length = BIND_GROUP_LAYOUTS_LENGTH,
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};
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WGPUPipelineLayoutId pipeline_layout = wgpu_device_create_pipeline_layout(device, &pipeline_layout_desc);
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WGPUBlendDescriptor blend_alpha = {
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.src_factor = WGPUBlendFactor_Zero,
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.src_factor = WGPUBlendFactor_One,
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.dst_factor = WGPUBlendFactor_Zero,
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.operation = WGPUBlendOperation_Add,
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};
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WGPUBlendDescriptor blend_color = {
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.src_factor = WGPUBlendFactor_Zero,
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.src_factor = WGPUBlendFactor_One,
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.dst_factor = WGPUBlendFactor_Zero,
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.operation = WGPUBlendOperation_Add,
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};
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@ -83,10 +106,10 @@ int main()
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.blend_enabled = false,
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.alpha = blend_alpha,
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.color = blend_color,
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.write_mask = 0,
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.write_mask = WGPUColorWriteFlags_ALL,
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};
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WGPUBlendStateId blend_state_0 = wgpu_device_create_blend_state(device, &blend_state_0_desc);
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WGPUBlendStateId blend_state[BLEND_STATES_LENGTH] = { blend_state_0 };
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WGPUBlendStateId blend_state[BLEND_STATES_LENGTH] = {blend_state_0};
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WGPUStencilStateFaceDescriptor stencil_state_front = {
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.compare = WGPUCompareFunction_Never,
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@ -112,7 +135,7 @@ int main()
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WGPUAttachment attachments[ATTACHMENTS_LENGTH] = {
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{
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.format = WGPUTextureFormat_R8g8b8a8Unorm,
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.format = WGPUTextureFormat_B8g8r8a8Unorm,
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.samples = 1,
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},
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};
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@ -123,7 +146,7 @@ int main()
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};
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WGPURenderPipelineDescriptor render_pipeline_desc = {
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.layout = layout,
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.layout = pipeline_layout,
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.stages = stages,
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.stages_length = STAGES_LENGTH,
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.primitive_topology = WGPUPrimitiveTopology_TriangleList,
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@ -135,32 +158,82 @@ int main()
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WGPURenderPipelineId render_pipeline = wgpu_device_create_render_pipeline(device, &render_pipeline_desc);
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WGPUCommandBufferDescriptor cmd_buf_desc = { };
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WGPUCommandBufferId cmd_buf = wgpu_device_create_command_buffer(device, &cmd_buf_desc);
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WGPUQueueId queue = wgpu_device_get_queue(device);
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wgpu_queue_submit(queue, &cmd_buf, 1);
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if (!glfwInit())
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{
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printf("Cannot initialize glfw");
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return 1;
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}
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const uint32_t TEXTURE_WIDTH = 800;
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const uint32_t TEXTURE_HEIGHT = 600;
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glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
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GLFWwindow *window = glfwCreateWindow(640, 480, "wgpu with glfw", NULL, NULL);
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WGPUExtent3d texture_size = {
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.width = TEXTURE_WIDTH,
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.height = TEXTURE_HEIGHT,
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.depth = 1,
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if (!window)
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{
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printf("Cannot create window");
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return 1;
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}
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WGPUSurfaceId surface = NULL;
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#if WGPU_TARGET == WGPU_TARGET_MACOS
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{
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id metal_layer = NULL;
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NSWindow *ns_window = glfwGetCocoaWindow(window);
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CALayer *layer = ns_window.contentView.layer;
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[ns_window.contentView setWantsLayer:YES];
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metal_layer = [CAMetalLayer layer];
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[ns_window.contentView setLayer:metal_layer];
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surface = wgpu_instance_create_surface_from_macos_layer(instance, metal_layer);
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}
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#elif WGPU_TARGET == WGPU_TARGET_LINUX
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{
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// TODO
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}
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#elif WGPU_TARGET == WGPU_TARGET_WINDOWS
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{
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// TODO
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}
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#endif
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WGPUSwapChainDescriptor swap_chain_desc = {
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.usage = WGPUTextureUsageFlags_OUTPUT_ATTACHMENT | WGPUTextureUsageFlags_PRESENT,
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.format = WGPUTextureFormat_B8g8r8a8Unorm,
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.width = 640,
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.height = 480,
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};
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WGPUSwapChainId swap_chain = wgpu_device_create_swap_chain(device, surface, &swap_chain_desc);
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const WGPUTextureFormat texture_format = WGPUTextureFormat_R8g8b8a8Unorm;
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const WGPUTextureUsageFlags texture_usage = WGPUTextureUsageFlags_TRANSFER_DST | WGPUTextureUsageFlags_SAMPLED;
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while (!glfwWindowShouldClose(window))
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{
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WGPUSwapChainOutput next_texture = wgpu_swap_chain_get_next_texture(swap_chain);
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WGPUCommandBufferDescriptor cmd_buf_desc = {};
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WGPUCommandBufferId cmd_buf = wgpu_device_create_command_buffer(device, &cmd_buf_desc);
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WGPURenderPassColorAttachmentDescriptor_TextureViewId color_attachments[ATTACHMENTS_LENGTH] = {
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{
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.attachment = next_texture.view_id,
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.load_op = WGPULoadOp_Clear,
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.store_op = WGPUStoreOp_Store,
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.clear_color = WGPUColor_GREEN,
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},
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};
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WGPURenderPassDescriptor rpass_desc = {
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.color_attachments = color_attachments,
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.color_attachments_length = RENDER_PASS_ATTACHMENTS_LENGTH,
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.depth_stencil_attachment = NULL,
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};
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WGPURenderPassId rpass = wgpu_command_buffer_begin_render_pass(cmd_buf, rpass_desc);
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wgpu_render_pass_set_pipeline(rpass, render_pipeline);
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wgpu_render_pass_draw(rpass, 3, 1, 0, 0);
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wgpu_render_pass_end_pass(rpass);
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WGPUQueueId queue = wgpu_device_get_queue(device);
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wgpu_queue_submit(queue, &cmd_buf, 1);
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wgpu_swap_chain_present(swap_chain);
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WGPUTextureDescriptor texture_desc = {
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.size = texture_size,
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.array_size = 1,
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.dimension = WGPUTextureDimension_D2,
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.format = texture_format,
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.usage = texture_usage,
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};
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glfwPollEvents();
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}
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WGPUTextureId texture = wgpu_device_create_texture(device, &texture_desc);
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glfwDestroyWindow(window);
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glfwTerminate();
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return 0;
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}
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