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Begin and finish command buffers

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This commit is contained in:
Dzmitry Malyshau 2018-09-28 11:35:31 -04:00
parent e5d4f9e04d
commit 47edd4564a
3 changed files with 17 additions and 15 deletions
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9
examples/hello_triangle_c/main.c
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@ -1,6 +1,10 @@
#include <stdio.h> #include <stdio.h>
#include "./../../wgpu-bindings/wgpu.h" #include "./../../wgpu-bindings/wgpu.h"
#define STAGES_LENGTH (2)
#define BLEND_STATE_LENGTH (1)
#define FORMATS_LENGTH (1)
WGPUByteArray read_file(const char *name) WGPUByteArray read_file(const char *name)
{ {
FILE *file = fopen(name, "rb"); FILE *file = fopen(name, "rb");
@ -63,7 +67,6 @@ int main()
.entry_point = "main", .entry_point = "main",
}; };
const unsigned int STAGES_LENGTH = 2;
WGPUPipelineStageDescriptor stages[STAGES_LENGTH] = { vertex_stage, fragment_stage }; WGPUPipelineStageDescriptor stages[STAGES_LENGTH] = { vertex_stage, fragment_stage };
WGPUBlendDescriptor blend_alpha = { WGPUBlendDescriptor blend_alpha = {
@ -83,7 +86,6 @@ int main()
.write_mask = 0, .write_mask = 0,
}; };
WGPUBlendStateId blend_state_0 = wgpu_device_create_blend_state(device, blend_state_0_desc); WGPUBlendStateId blend_state_0 = wgpu_device_create_blend_state(device, blend_state_0_desc);
const unsigned int BLEND_STATE_LENGTH = 1;
WGPUBlendStateId blend_state[BLEND_STATE_LENGTH] = { blend_state_0 }; WGPUBlendStateId blend_state[BLEND_STATE_LENGTH] = { blend_state_0 };
WGPUStencilStateFaceDescriptor stencil_state_front = { WGPUStencilStateFaceDescriptor stencil_state_front = {
@ -108,7 +110,6 @@ int main()
}; };
WGPUDepthStencilStateId depth_stencil_state = wgpu_device_create_depth_stencil_state(device, depth_stencil_state_desc); WGPUDepthStencilStateId depth_stencil_state = wgpu_device_create_depth_stencil_state(device, depth_stencil_state_desc);
const unsigned int FORMATS_LENGTH = 1;
WGPUTextureFormat formats[FORMATS_LENGTH] = { WGPUTextureFormat_R8g8b8a8Unorm }; WGPUTextureFormat formats[FORMATS_LENGTH] = { WGPUTextureFormat_R8g8b8a8Unorm };
WGPUAttachmentStateDescriptor attachment_state_desc = { WGPUAttachmentStateDescriptor attachment_state_desc = {
.formats = formats, .formats = formats,
@ -132,7 +133,7 @@ int main()
WGPUCommandBufferDescriptor cmd_buf_desc = { }; WGPUCommandBufferDescriptor cmd_buf_desc = { };
WGPUCommandBufferId cmd_buf = wgpu_device_create_command_buffer(device, cmd_buf_desc); WGPUCommandBufferId cmd_buf = wgpu_device_create_command_buffer(device, cmd_buf_desc);
WGPUQueueId queue = wgpu_device_get_queue(device); WGPUQueueId queue = wgpu_device_get_queue(device);
/*wgpu_queue_submit(queue, &cmd_buf, 1);*/ wgpu_queue_submit(queue, &cmd_buf, 1);
return 0; return 0;
} }

9
wgpu-bindings/wgpu.h
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@ -1,14 +1,13 @@
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
#define WGPU_REMOTE 1
#ifdef WGPU_REMOTE #ifdef WGPU_REMOTE
typedef uint32_t WGPUId; typedef uint32_t WGPUId;
#else #else
typedef void *WGPUId; typedef void *WGPUId;
#endif #endif
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
#define WGPUColorWriteFlags_ALL 15 #define WGPUColorWriteFlags_ALL 15
#define WGPUColorWriteFlags_ALPHA 8 #define WGPUColorWriteFlags_ALPHA 8

14
wgpu-native/src/device.rs
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@ -1,3 +1,4 @@
use hal::command::RawCommandBuffer;
use hal::queue::RawCommandQueue; use hal::queue::RawCommandQueue;
use hal::{self, Device as _Device}; use hal::{self, Device as _Device};
use {back, binding_model, command, conv, memory, pipeline}; use {back, binding_model, command, conv, memory, pipeline};
@ -130,7 +131,11 @@ pub extern "C" fn wgpu_device_create_command_buffer(
) -> CommandBufferId { ) -> CommandBufferId {
let mut device_guard = registry::DEVICE_REGISTRY.lock(); let mut device_guard = registry::DEVICE_REGISTRY.lock();
let device = device_guard.get_mut(device_id); let device = device_guard.get_mut(device_id);
let cmd_buf = device.com_allocator.allocate(&device.device); let mut cmd_buf = device.com_allocator.allocate(&device.device);
cmd_buf.raw.begin(
hal::command::CommandBufferFlags::ONE_TIME_SUBMIT,
hal::command::CommandBufferInheritanceInfo::default(),
);
registry::COMMAND_BUFFER_REGISTRY.lock().register(cmd_buf) registry::COMMAND_BUFFER_REGISTRY.lock().register(cmd_buf)
} }
@ -152,7 +157,8 @@ pub extern "C" fn wgpu_queue_submit(
//TODO: submit at once, requires `get_all()` //TODO: submit at once, requires `get_all()`
let mut command_buffer_guard = registry::COMMAND_BUFFER_REGISTRY.lock(); let mut command_buffer_guard = registry::COMMAND_BUFFER_REGISTRY.lock();
for &cmb_id in command_buffer_ids { for &cmb_id in command_buffer_ids {
let cmd_buf = command_buffer_guard.take(cmb_id); let mut cmd_buf = command_buffer_guard.take(cmb_id);
cmd_buf.raw.finish();
{ {
let submission = hal::queue::RawSubmission { let submission = hal::queue::RawSubmission {
cmd_buffers: iter::once(&cmd_buf.raw), cmd_buffers: iter::once(&cmd_buf.raw),
@ -220,10 +226,6 @@ pub extern "C" fn wgpu_device_create_render_pipeline(
let mut vertex = None; let mut vertex = None;
let mut fragment = None; let mut fragment = None;
for pipeline_stage in pipeline_stages.iter() { for pipeline_stage in pipeline_stages.iter() {
let entry_name = unsafe { ffi::CStr::from_ptr(pipeline_stage.entry_point) }
.to_str()
.to_owned()
.unwrap();
let entry = hal::pso::EntryPoint::<back::Backend> { let entry = hal::pso::EntryPoint::<back::Backend> {
entry: unsafe { ffi::CStr::from_ptr(pipeline_stage.entry_point) } entry: unsafe { ffi::CStr::from_ptr(pipeline_stage.entry_point) }
.to_str() .to_str()