blob: 04bb8ff56fbf6893c92ab5a75c63b2eb777d4880 [file] [log] [blame]
// Copyright 2018 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dawn_native/ComputePassEncoder.h"
#include "dawn_native/Buffer.h"
#include "dawn_native/CommandEncoder.h"
#include "dawn_native/CommandValidation.h"
#include "dawn_native/Commands.h"
#include "dawn_native/ComputePipeline.h"
#include "dawn_native/Device.h"
#include "dawn_native/QuerySet.h"
namespace dawn_native {
ComputePassEncoder::ComputePassEncoder(DeviceBase* device,
CommandEncoder* commandEncoder,
EncodingContext* encodingContext)
: ProgrammablePassEncoder(device, encodingContext, PassType::Compute),
mCommandEncoder(commandEncoder) {
}
ComputePassEncoder::ComputePassEncoder(DeviceBase* device,
CommandEncoder* commandEncoder,
EncodingContext* encodingContext,
ErrorTag errorTag)
: ProgrammablePassEncoder(device, encodingContext, errorTag, PassType::Compute),
mCommandEncoder(commandEncoder) {
}
ComputePassEncoder* ComputePassEncoder::MakeError(DeviceBase* device,
CommandEncoder* commandEncoder,
EncodingContext* encodingContext) {
return new ComputePassEncoder(device, commandEncoder, encodingContext, ObjectBase::kError);
}
void ComputePassEncoder::APIEndPass() {
if (mEncodingContext->TryEncode(this, [&](CommandAllocator* allocator) -> MaybeError {
if (IsValidationEnabled()) {
DAWN_TRY(ValidateProgrammableEncoderEnd());
}
allocator->Allocate<EndComputePassCmd>(Command::EndComputePass);
return {};
})) {
mEncodingContext->ExitPass(this, mUsageTracker.AcquireResourceUsage());
}
}
void ComputePassEncoder::APIDispatch(uint32_t x, uint32_t y, uint32_t z) {
mEncodingContext->TryEncode(this, [&](CommandAllocator* allocator) -> MaybeError {
if (IsValidationEnabled()) {
DAWN_TRY(mCommandBufferState.ValidateCanDispatch());
}
// Skip noop dispatch. It is a workaround for system crashes on 0 dispatches on some
// platforms.
if (x != 0 && y != 0 && z != 0) {
DispatchCmd* dispatch = allocator->Allocate<DispatchCmd>(Command::Dispatch);
dispatch->x = x;
dispatch->y = y;
dispatch->z = z;
}
return {};
});
}
void ComputePassEncoder::APIDispatchIndirect(BufferBase* indirectBuffer,
uint64_t indirectOffset) {
mEncodingContext->TryEncode(this, [&](CommandAllocator* allocator) -> MaybeError {
if (IsValidationEnabled()) {
DAWN_TRY(GetDevice()->ValidateObject(indirectBuffer));
DAWN_TRY(ValidateCanUseAs(indirectBuffer, wgpu::BufferUsage::Indirect));
DAWN_TRY(mCommandBufferState.ValidateCanDispatch());
// Indexed dispatches need a compute-shader based validation to check that the
// dispatch sizes aren't too big. Disallow them as unsafe until the validation is
// implemented.
if (GetDevice()->IsToggleEnabled(Toggle::DisallowUnsafeAPIs)) {
return DAWN_VALIDATION_ERROR(
"DispatchIndirect is disallowed because it doesn't validate that the "
"dispatch "
"size is valid yet.");
}
if (indirectOffset % 4 != 0) {
return DAWN_VALIDATION_ERROR("Indirect offset must be a multiple of 4");
}
if (indirectOffset >= indirectBuffer->GetSize() ||
indirectOffset + kDispatchIndirectSize > indirectBuffer->GetSize()) {
return DAWN_VALIDATION_ERROR("Indirect offset out of bounds");
}
}
DispatchIndirectCmd* dispatch =
allocator->Allocate<DispatchIndirectCmd>(Command::DispatchIndirect);
dispatch->indirectBuffer = indirectBuffer;
dispatch->indirectOffset = indirectOffset;
mUsageTracker.BufferUsedAs(indirectBuffer, wgpu::BufferUsage::Indirect);
return {};
});
}
void ComputePassEncoder::APISetPipeline(ComputePipelineBase* pipeline) {
mEncodingContext->TryEncode(this, [&](CommandAllocator* allocator) -> MaybeError {
if (IsValidationEnabled()) {
DAWN_TRY(GetDevice()->ValidateObject(pipeline));
}
mCommandBufferState.SetComputePipeline(pipeline);
SetComputePipelineCmd* cmd =
allocator->Allocate<SetComputePipelineCmd>(Command::SetComputePipeline);
cmd->pipeline = pipeline;
return {};
});
}
void ComputePassEncoder::APIWriteTimestamp(QuerySetBase* querySet, uint32_t queryIndex) {
mEncodingContext->TryEncode(this, [&](CommandAllocator* allocator) -> MaybeError {
if (IsValidationEnabled()) {
DAWN_TRY(GetDevice()->ValidateObject(querySet));
DAWN_TRY(ValidateTimestampQuery(querySet, queryIndex));
}
mCommandEncoder->TrackQueryAvailability(querySet, queryIndex);
WriteTimestampCmd* cmd =
allocator->Allocate<WriteTimestampCmd>(Command::WriteTimestamp);
cmd->querySet = querySet;
cmd->queryIndex = queryIndex;
return {};
});
}
} // namespace dawn_native