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Rust and C API for transfers

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This commit is contained in:
Dzmitry Malyshau 2019-02-06 10:43:10 -05:00
parent 901463d7ce
commit 8b6eafcdca
3 changed files with 65 additions and 2 deletions
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17
wgpu-bindings/wgpu.h
View File

@ -558,11 +558,28 @@ WGPUComputePassId wgpu_command_buffer_begin_compute_pass(WGPUCommandBufferId com
WGPURenderPassId wgpu_command_buffer_begin_render_pass(WGPUCommandBufferId command_buffer_id,
WGPURenderPassDescriptor desc);
void wgpu_command_buffer_copy_buffer_to_buffer(WGPUCommandBufferId command_buffer_id,
WGPUBufferId src,
uint32_t src_offset,
WGPUBufferId dst,
uint32_t dst_offset,
uint32_t size);
void wgpu_command_buffer_copy_buffer_to_texture(WGPUCommandBufferId command_buffer_id,
const WGPUBufferCopyView *source,
const WGPUTextureCopyView *destination,
WGPUExtent3d copy_size);
void wgpu_command_buffer_copy_texture_to_buffer(WGPUCommandBufferId command_buffer_id,
const WGPUTextureCopyView *source,
const WGPUBufferCopyView *destination,
WGPUExtent3d copy_size);
void wgpu_command_buffer_copy_texture_to_texture(WGPUCommandBufferId command_buffer_id,
const WGPUTextureCopyView *source,
const WGPUTextureCopyView *destination,
WGPUExtent3d copy_size);
void wgpu_compute_pass_dispatch(WGPUComputePassId pass_id, uint32_t x, uint32_t y, uint32_t z);
WGPUCommandBufferId wgpu_compute_pass_end_pass(WGPUComputePassId pass_id);

4
wgpu-native/src/command/transfer.rs
View File

@ -160,7 +160,7 @@ pub extern "C" fn wgpu_command_buffer_copy_buffer_to_texture(
image_extent: conv::map_extent(copy_size),
};
let cmb_raw = cmb.raw.last_mut().unwrap();
let stages = all_image_stages() | all_image_stages();
let stages = all_buffer_stages() | all_image_stages();
unsafe {
cmb_raw.pipeline_barrier(
stages .. stages,
@ -236,7 +236,7 @@ pub extern "C" fn wgpu_command_buffer_copy_texture_to_buffer(
image_extent: conv::map_extent(copy_size),
};
let cmb_raw = cmb.raw.last_mut().unwrap();
let stages = all_image_stages() | all_image_stages();
let stages = all_buffer_stages() | all_image_stages();
unsafe {
cmb_raw.pipeline_barrier(
stages .. stages,

46
wgpu-rs/src/lib.rs
View File

@ -496,6 +496,24 @@ impl CommandBuffer {
}
}
pub fn copy_buffer_tobuffer(
&mut self,
source: &Buffer,
source_offset: u32,
destination: &Buffer,
destination_offset: u32,
copy_size: u32,
) {
wgn::wgpu_command_buffer_copy_buffer_to_buffer(
self.id,
source.id,
source_offset,
destination.id,
destination_offset,
copy_size,
);
}
pub fn copy_buffer_to_texture(
&mut self,
source: BufferCopyView,
@ -509,6 +527,34 @@ impl CommandBuffer {
copy_size,
);
}
pub fn copy_texture_to_buffer(
&mut self,
source: TextureCopyView,
destination: BufferCopyView,
copy_size: Extent3d,
) {
wgn::wgpu_command_buffer_copy_texture_to_buffer(
self.id,
&source.into_native(),
&destination.into_native(),
copy_size,
);
}
pub fn copy_texture_to_texture(
&mut self,
source: TextureCopyView,
destination: TextureCopyView,
copy_size: Extent3d,
) {
wgn::wgpu_command_buffer_copy_texture_to_texture(
self.id,
&source.into_native(),
&destination.into_native(),
copy_size,
);
}
}
impl<'a> RenderPass<'a> {