49: GLFW integration r=grovesNL a=kvark

This is #40 that is rebased and fixed a bit.

Co-authored-by: Joshua Groves <josh@joshgroves.com>
Co-authored-by: Dzmitry Malyshau <dmalyshau@mozilla.com>
This commit is contained in:
bors[bot] 2019-01-24 20:10:53 +00:00
commit 3dbcdc0327
9 changed files with 352 additions and 70 deletions

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@ -16,4 +16,3 @@ script:
- cargo test
- cargo build --manifest-path wgpu-native/Cargo.toml --features remote
- cargo build
- (cd examples && make) #TODO

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@ -54,7 +54,7 @@ lib-rust: Cargo.lock wgpu-rs/Cargo.toml $(wildcard wgpu-rs/**/*.rs)
cargo build --manifest-path wgpu-rs/Cargo.toml --features $(FEATURE_RUST)
wgpu-bindings/wgpu.h: Cargo.lock wgpu-bindings/src/*.rs lib-native
cargo run --manifest-path wgpu-bindings/Cargo.toml
cargo +nightly-2018-12-27 run --manifest-path wgpu-bindings/Cargo.toml
examples-native: lib-native wgpu-bindings/wgpu.h $(wildcard wgpu-native/**/*.c)
$(MAKE) -C examples

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@ -1,16 +0,0 @@
CC=gcc
CFLAGS=-I.
DEPS=./wgpu-bindings/wgpu.h
OUTDIR=./build
LINK_ARGS=-L ../target/debug -lwgpu_native
%.o: %.c $(DEPS)
$(CC) $(LINK_ARGS) -c -o $(OUTDIR)/$@ $< $(CFLAGS)
hello_triangle_c: hello_triangle_c/main.c
mkdir -p $(OUTDIR)
$(CC) $(LINK_ARGS) -o $(OUTDIR)/$@ $^ $(CFLAGS)
.PHONY: all
all: hello_triangle_c

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@ -0,0 +1,31 @@
cmake_minimum_required(VERSION 3.11b)
project(hello_triangle)
set(TARGET_NAME hello_triangle)
add_executable(hello_triangle main.c)
if(MSVC)
target_compile_options(${TARGET_NAME} PRIVATE /W4)
add_compile_definitions(WGPU_TARGET=WGPU_TARGET_WINDOWS)
set(GLFW_LIBRARY glfw3)
else(MSVC)
target_compile_options(${TARGET_NAME} PRIVATE -Wall -Wextra -pedantic)
add_compile_definitions(WGPU_TARGET=WGPU_TARGET_LINUX)
set(GLFW_LIBRARY glfw)
endif(MSVC)
if(APPLE)
add_compile_definitions(WGPU_TARGET=WGPU_TARGET_MACOS)
set(OS_LIBRARIES "-framework Cocoa" "-framework CoreVideo" "-framework IOKit" "-framework QuartzCore")
target_compile_options(${TARGET_NAME} PRIVATE -x objective-c)
endif(APPLE)
find_package(glfw3)
find_library(WGPU_LIBRARY wgpu_native
HINTS "${CMAKE_CURRENT_SOURCE_DIR}/../../target/debug"
)
target_link_libraries(${TARGET_NAME} ${GLFW_LIBRARY} ${WGPU_LIBRARY} ${OS_LIBRARIES})

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@ -1,9 +1,31 @@
#include <stdio.h>
#include "./../../wgpu-bindings/wgpu.h"
#define STAGES_LENGTH (2)
#define BLEND_STATES_LENGTH (1)
#define ATTACHMENTS_LENGTH (1)
#define WGPU_TARGET_MACOS 1
#define WGPU_TARGET_LINUX 2
#define WGPU_TARGET_WINDOWS 3
#if WGPU_TARGET == WGPU_TARGET_MACOS
#include <QuartzCore/CAMetalLayer.h>
#include <Foundation/Foundation.h>
#endif
#include <GLFW/glfw3.h>
#if WGPU_TARGET == WGPU_TARGET_MACOS
#define GLFW_EXPOSE_NATIVE_COCOA
#elif WGPU_TARGET == WGPU_TARGET_LINUX
#define GLFW_EXPOSE_NATIVE_X11
#define GLFW_EXPOSE_NATIVE_WAYLAND
#elif WGPU_TARGET == WGPU_TARGET_WINDOWS
#define GLFW_EXPOSE_NATIVE_WIN32
#endif
#include <GLFW/glfw3native.h>
#define STAGES_LENGTH (2)
#define BLEND_STATES_LENGTH (1)
#define ATTACHMENTS_LENGTH (1)
#define RENDER_PASS_ATTACHMENTS_LENGTH (1)
#define BIND_GROUP_LAYOUTS_LENGTH (1)
WGPUByteArray read_file(const char *name)
{
@ -35,20 +57,8 @@ int main()
};
WGPUDeviceId device = wgpu_adapter_create_device(adapter, &device_desc);
WGPUBindGroupLayoutDescriptor bind_group_layout_desc = {
.bindings = NULL,
.bindings_length = 0,
};
WGPUBindGroupLayoutId _bind_group_layout = wgpu_device_create_bind_group_layout(device, &bind_group_layout_desc);
WGPUPipelineLayoutDescriptor pipeline_layout_desc = {
.bind_group_layouts = NULL,
.bind_group_layouts_length = 0,
};
WGPUPipelineLayoutId layout = wgpu_device_create_pipeline_layout(device, &pipeline_layout_desc);
WGPUShaderModuleDescriptor vertex_shader_desc = {
.code = read_file("./../data/hello_triangle.vert.spv"),
.code = read_file("./../../data/hello_triangle.vert.spv"),
};
WGPUShaderModuleId vertex_shader = wgpu_device_create_shader_module(device, &vertex_shader_desc);
WGPUPipelineStageDescriptor vertex_stage = {
@ -58,7 +68,7 @@ int main()
};
WGPUShaderModuleDescriptor fragment_shader_desc = {
.code = read_file("./../data/hello_triangle.frag.spv"),
.code = read_file("./../../data/hello_triangle.frag.spv"),
};
WGPUShaderModuleId fragment_shader = wgpu_device_create_shader_module(device, &fragment_shader_desc);
WGPUPipelineStageDescriptor fragment_stage = {
@ -67,15 +77,29 @@ int main()
.entry_point = "main",
};
WGPUPipelineStageDescriptor stages[STAGES_LENGTH] = { vertex_stage, fragment_stage };
WGPUPipelineStageDescriptor stages[STAGES_LENGTH] = {vertex_stage, fragment_stage};
WGPUBindGroupLayoutDescriptor bind_group_layout_desc = {
.bindings = NULL,
.bindings_length = 0,
};
WGPUBindGroupLayoutId bind_group_layout = wgpu_device_create_bind_group_layout(device, &bind_group_layout_desc);
WGPUBindGroupLayoutId bind_group_layouts[BIND_GROUP_LAYOUTS_LENGTH] = { bind_group_layout };
WGPUPipelineLayoutDescriptor pipeline_layout_desc = {
.bind_group_layouts = bind_group_layouts,
.bind_group_layouts_length = BIND_GROUP_LAYOUTS_LENGTH,
};
WGPUPipelineLayoutId pipeline_layout = wgpu_device_create_pipeline_layout(device, &pipeline_layout_desc);
WGPUBlendDescriptor blend_alpha = {
.src_factor = WGPUBlendFactor_Zero,
.src_factor = WGPUBlendFactor_One,
.dst_factor = WGPUBlendFactor_Zero,
.operation = WGPUBlendOperation_Add,
};
WGPUBlendDescriptor blend_color = {
.src_factor = WGPUBlendFactor_Zero,
.src_factor = WGPUBlendFactor_One,
.dst_factor = WGPUBlendFactor_Zero,
.operation = WGPUBlendOperation_Add,
};
@ -83,10 +107,10 @@ int main()
.blend_enabled = false,
.alpha = blend_alpha,
.color = blend_color,
.write_mask = 0,
.write_mask = WGPUColorWriteFlags_ALL,
};
WGPUBlendStateId blend_state_0 = wgpu_device_create_blend_state(device, &blend_state_0_desc);
WGPUBlendStateId blend_state[BLEND_STATES_LENGTH] = { blend_state_0 };
WGPUBlendStateId blend_state[BLEND_STATES_LENGTH] = {blend_state_0};
WGPUStencilStateFaceDescriptor stencil_state_front = {
.compare = WGPUCompareFunction_Never,
@ -112,7 +136,7 @@ int main()
WGPUAttachment attachments[ATTACHMENTS_LENGTH] = {
{
.format = WGPUTextureFormat_R8g8b8a8Unorm,
.format = WGPUTextureFormat_B8g8r8a8Unorm,
.samples = 1,
},
};
@ -123,7 +147,7 @@ int main()
};
WGPURenderPipelineDescriptor render_pipeline_desc = {
.layout = layout,
.layout = pipeline_layout,
.stages = stages,
.stages_length = STAGES_LENGTH,
.primitive_topology = WGPUPrimitiveTopology_TriangleList,
@ -135,32 +159,86 @@ int main()
WGPURenderPipelineId render_pipeline = wgpu_device_create_render_pipeline(device, &render_pipeline_desc);
WGPUCommandBufferDescriptor cmd_buf_desc = { };
WGPUCommandBufferId cmd_buf = wgpu_device_create_command_buffer(device, &cmd_buf_desc);
WGPUQueueId queue = wgpu_device_get_queue(device);
wgpu_queue_submit(queue, &cmd_buf, 1);
if (!glfwInit())
{
printf("Cannot initialize glfw");
return 1;
}
const uint32_t TEXTURE_WIDTH = 800;
const uint32_t TEXTURE_HEIGHT = 600;
glfwWindowHint(GLFW_CLIENT_API, GLFW_NO_API);
GLFWwindow *window = glfwCreateWindow(640, 480, "wgpu with glfw", NULL, NULL);
WGPUExtent3d texture_size = {
.width = TEXTURE_WIDTH,
.height = TEXTURE_HEIGHT,
.depth = 1,
if (!window)
{
printf("Cannot create window");
return 1;
}
WGPUSurfaceId surface = NULL;
#if WGPU_TARGET == WGPU_TARGET_MACOS
{
id metal_layer = NULL;
NSWindow *ns_window = glfwGetCocoaWindow(window);
CALayer *layer = ns_window.contentView.layer;
[ns_window.contentView setWantsLayer:YES];
metal_layer = [CAMetalLayer layer];
[ns_window.contentView setLayer:metal_layer];
surface = wgpu_instance_create_surface_from_macos_layer(instance, metal_layer);
}
#elif WGPU_TARGET == WGPU_TARGET_LINUX
{
Display* x11_display = glfwGetX11Display();
Window x11_window = glfwGetX11Window(window);
surface = wgpu_instance_create_surface_from_xlib(instance, (const void**)x11_display, x11_window);
}
#elif WGPU_TARGET == WGPU_TARGET_WINDOWS
{
HWND hwnd = glfwGetWin32Window(window);
HINSTANCE hinstance = GetModuleHandle(NULL);
surface = wgpu_instance_create_surface_from_windows_hwnd(instance, hinstance, hwnd);
}
#endif
WGPUSwapChainDescriptor swap_chain_desc = {
.usage = WGPUTextureUsageFlags_OUTPUT_ATTACHMENT | WGPUTextureUsageFlags_PRESENT,
.format = WGPUTextureFormat_B8g8r8a8Unorm,
.width = 640,
.height = 480,
};
WGPUSwapChainId swap_chain = wgpu_device_create_swap_chain(device, surface, &swap_chain_desc);
const WGPUTextureFormat texture_format = WGPUTextureFormat_R8g8b8a8Unorm;
const WGPUTextureUsageFlags texture_usage = WGPUTextureUsageFlags_TRANSFER_DST | WGPUTextureUsageFlags_SAMPLED;
while (!glfwWindowShouldClose(window))
{
WGPUSwapChainOutput next_texture = wgpu_swap_chain_get_next_texture(swap_chain);
WGPUCommandBufferDescriptor cmd_buf_desc = { .todo = 0 };
WGPUCommandBufferId cmd_buf = wgpu_device_create_command_buffer(device, &cmd_buf_desc);
WGPURenderPassColorAttachmentDescriptor_TextureViewId color_attachments[ATTACHMENTS_LENGTH] = {
{
.attachment = next_texture.view_id,
.load_op = WGPULoadOp_Clear,
.store_op = WGPUStoreOp_Store,
.clear_color = WGPUColor_GREEN,
},
};
WGPURenderPassDescriptor rpass_desc = {
.color_attachments = color_attachments,
.color_attachments_length = RENDER_PASS_ATTACHMENTS_LENGTH,
.depth_stencil_attachment = NULL,
};
WGPURenderPassId rpass = wgpu_command_buffer_begin_render_pass(cmd_buf, rpass_desc);
wgpu_render_pass_set_pipeline(rpass, render_pipeline);
wgpu_render_pass_draw(rpass, 3, 1, 0, 0);
wgpu_render_pass_end_pass(rpass);
WGPUQueueId queue = wgpu_device_get_queue(device);
wgpu_queue_submit(queue, &cmd_buf, 1);
wgpu_swap_chain_present(swap_chain);
WGPUTextureDescriptor texture_desc = {
.size = texture_size,
.array_size = 1,
.dimension = WGPUTextureDimension_D2,
.format = texture_format,
.usage = texture_usage,
};
glfwPollEvents();
}
WGPUTextureId texture = wgpu_device_create_texture(device, &texture_desc);
glfwDestroyWindow(window);
glfwTerminate();
return 0;
}

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@ -93,7 +93,7 @@ fn main() {
}
let (_, view) = swap_chain.get_next_texture();
let mut cmd_buf = device.create_command_buffer(&wgpu::CommandBufferDescriptor {});
let mut cmd_buf = device.create_command_buffer(&wgpu::CommandBufferDescriptor { todo: 0 });
{
let mut rpass = cmd_buf.begin_render_pass(&wgpu::RenderPassDescriptor {
color_attachments: &[wgpu::RenderPassColorAttachmentDescriptor {

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@ -125,6 +125,8 @@ typedef struct {
WGPUExtensions extensions;
} WGPUDeviceDescriptor;
typedef WGPUId WGPUBufferId;
typedef WGPUId WGPUComputePassId;
typedef WGPUId WGPUCommandBufferId;
@ -171,6 +173,52 @@ typedef WGPUId WGPUInstanceId;
typedef WGPUId WGPUBindGroupLayoutId;
typedef struct {
WGPUBufferId buffer;
uint32_t offset;
uint32_t size;
} WGPUBufferBinding;
typedef WGPUId WGPUSamplerId;
typedef enum {
WGPUBindingResource_Buffer,
WGPUBindingResource_Sampler,
WGPUBindingResource_TextureView,
} WGPUBindingResource_Tag;
typedef struct {
WGPUBufferBinding _0;
} WGPUBindingResource_WGPUBuffer_Body;
typedef struct {
WGPUSamplerId _0;
} WGPUBindingResource_WGPUSampler_Body;
typedef struct {
WGPUTextureViewId _0;
} WGPUBindingResource_WGPUTextureView_Body;
typedef struct {
WGPUBindingResource_Tag tag;
union {
WGPUBindingResource_WGPUBuffer_Body buffer;
WGPUBindingResource_WGPUSampler_Body sampler;
WGPUBindingResource_WGPUTextureView_Body texture_view;
};
} WGPUBindingResource;
typedef struct {
uint32_t binding;
WGPUBindingResource resource;
} WGPUBinding;
typedef struct {
WGPUBindGroupLayoutId layout;
const WGPUBinding *bindings;
uintptr_t bindings_length;
} WGPUBindGroupDescriptor;
typedef uint32_t WGPUShaderStageFlags;
typedef struct {
@ -201,8 +249,15 @@ typedef struct {
WGPUColorWriteFlags write_mask;
} WGPUBlendStateDescriptor;
typedef struct {
typedef uint32_t WGPUBufferUsageFlags;
typedef struct {
uint32_t size;
WGPUBufferUsageFlags usage;
} WGPUBufferDescriptor;
typedef struct {
uint32_t todo;
} WGPUCommandBufferDescriptor;
typedef WGPUId WGPUDepthStencilStateId;
@ -398,6 +453,8 @@ typedef struct {
WGPUDeviceId wgpu_adapter_create_device(WGPUAdapterId adapter_id,
const WGPUDeviceDescriptor *_desc);
void wgpu_buffer_destroy(WGPUBufferId buffer_id);
WGPUComputePassId wgpu_command_buffer_begin_compute_pass(WGPUCommandBufferId command_buffer_id);
WGPURenderPassId wgpu_command_buffer_begin_render_pass(WGPUCommandBufferId command_buffer_id,
@ -415,12 +472,17 @@ void wgpu_compute_pass_set_pipeline(WGPUComputePassId pass_id, WGPUComputePipeli
WGPUInstanceId wgpu_create_instance(void);
WGPUBindGroupId wgpu_device_create_bind_group(WGPUDeviceId device_id,
const WGPUBindGroupDescriptor *desc);
WGPUBindGroupLayoutId wgpu_device_create_bind_group_layout(WGPUDeviceId device_id,
const WGPUBindGroupLayoutDescriptor *desc);
WGPUBlendStateId wgpu_device_create_blend_state(WGPUDeviceId _device_id,
const WGPUBlendStateDescriptor *desc);
WGPUBufferId wgpu_device_create_buffer(WGPUDeviceId device_id, const WGPUBufferDescriptor *desc);
WGPUCommandBufferId wgpu_device_create_command_buffer(WGPUDeviceId device_id,
const WGPUCommandBufferDescriptor *_desc);
@ -444,6 +506,17 @@ WGPUTextureId wgpu_device_create_texture(WGPUDeviceId device_id, const WGPUTextu
WGPUQueueId wgpu_device_get_queue(WGPUDeviceId device_id);
WGPUSurfaceId wgpu_instance_create_surface_from_macos_layer(WGPUInstanceId instance_id,
void *layer);
WGPUSurfaceId wgpu_instance_create_surface_from_windows_hwnd(WGPUInstanceId instance_id,
void *hinstance,
void *hwnd);
WGPUSurfaceId wgpu_instance_create_surface_from_xlib(WGPUInstanceId instance_id,
const void **display,
uint64_t window);
WGPUAdapterId wgpu_instance_get_adapter(WGPUInstanceId instance_id,
const WGPUAdapterDescriptor *desc);
@ -451,8 +524,31 @@ void wgpu_queue_submit(WGPUQueueId queue_id,
const WGPUCommandBufferId *command_buffer_ptr,
uintptr_t command_buffer_count);
void wgpu_render_pass_draw(WGPURenderPassId pass_id,
uint32_t vertex_count,
uint32_t instance_count,
uint32_t first_vertex,
uint32_t first_instance);
void wgpu_render_pass_draw_indexed(WGPURenderPassId pass_id,
uint32_t index_count,
uint32_t instance_count,
uint32_t first_index,
int32_t base_vertex,
uint32_t first_instance);
WGPUCommandBufferId wgpu_render_pass_end_pass(WGPURenderPassId pass_id);
void wgpu_render_pass_set_bind_group(WGPURenderPassId pass_id,
uint32_t index,
WGPUBindGroupId bind_group_id);
void wgpu_render_pass_set_index_buffer(WGPURenderPassId pass_id,
WGPUBufferId buffer_id,
uint32_t offset);
void wgpu_render_pass_set_pipeline(WGPURenderPassId pass_id, WGPURenderPipelineId pipeline_id);
WGPUSwapChainOutput wgpu_swap_chain_get_next_texture(WGPUSwapChainId swap_chain_id);
void wgpu_swap_chain_present(WGPUSwapChainId swap_chain_id);

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@ -145,7 +145,11 @@ impl CommandBuffer<B> {
}
#[repr(C)]
pub struct CommandBufferDescriptor {}
pub struct CommandBufferDescriptor {
// MSVC doesn't allow zero-sized structs
// We can remove this when we actually have a field
pub todo: u32,
}
#[no_mangle]
pub extern "C" fn wgpu_command_buffer_begin_render_pass(

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@ -1,9 +1,5 @@
use crate::registry::{HUB, Items};
use crate::{WeaklyStored, Device,
AdapterId, DeviceId, InstanceId,
};
#[cfg(feature = "winit")]
use crate::{Surface, SurfaceId};
use crate::{AdapterId, Device, DeviceId, InstanceId, Surface, SurfaceId, WeaklyStored};
use hal::{self, Instance as _Instance, PhysicalDevice as _PhysicalDevice};
@ -67,6 +63,100 @@ pub extern "C" fn wgpu_instance_create_surface_from_winit(
.register(surface)
}
#[allow(unused)]
#[no_mangle]
pub extern "C" fn wgpu_instance_create_surface_from_xlib(
instance_id: InstanceId,
display: *mut *const std::ffi::c_void,
window: u64,
) -> SurfaceId {
#[cfg(not(feature = "gfx-backend-vulkan"))]
unimplemented!();
#[cfg(feature = "gfx-backend-vulkan")]
{
let raw = HUB.instances
.read()
.get(instance_id)
.create_surface_from_xlib(display, window);
let surface = Surface {
raw,
};
HUB.surfaces
.write()
.register(surface)
}
}
#[allow(unused)]
#[no_mangle]
pub extern "C" fn wgpu_instance_create_surface_from_macos_layer(
instance_id: InstanceId,
layer: *mut std::ffi::c_void,
) -> SurfaceId {
#[cfg(not(feature = "gfx-backend-metal"))]
unimplemented!();
#[cfg(feature = "gfx-backend-metal")]
{
let raw = HUB.instances
.read()
.get(instance_id)
.create_surface_from_layer(layer as *mut _);
let surface = Surface {
raw,
};
HUB.surfaces
.write()
.register(surface)
}
}
#[allow(unused)]
#[no_mangle]
pub extern "C" fn wgpu_instance_create_surface_from_windows_hwnd(
instance_id: InstanceId,
hinstance: *mut std::ffi::c_void,
hwnd: *mut std::ffi::c_void,
) -> SurfaceId {
#[cfg(not(target_os = "windows"))]
unimplemented!();
#[cfg(any(feature = "gfx-backend-dx11", feature = "gfx-backend-dx12"))]
{
let raw = HUB.instances
.read()
.get(instance_id)
.create_surface_from_hwnd(hwnd);
let surface = Surface {
raw,
};
HUB.surfaces
.write()
.register(surface)
}
#[cfg(all(target_os = "windows", feature = "gfx-backend-vulkan"))]
{
let raw = HUB.instances
.read()
.get(instance_id)
.create_surface_from_hwnd(hinstance, hwnd);
let surface = Surface {
raw,
};
HUB.surfaces
.write()
.register(surface)
}
}
#[no_mangle]
pub extern "C" fn wgpu_instance_get_adapter(
instance_id: InstanceId,