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Reland "dawn_native: Indirect draw/dispatch"

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This is a reland of 7eb6be186b
Fixes casting issue on 32 bit machines

Original change's description:
> dawn_native: Indirect draw/dispatch
>
> Adds indirect draw and dispatch for all backends (without validation).
>
> Tests for opengl negative offset are skipped since there is no easy
> way to add the index buffer offset. Current idea is to use a compute
> shader to modify the indirect draw buffer.
>
> Change-Id: I1d3eec7c699b211423f4b911769cca17bfbcd045
> Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7481
> Commit-Queue: Idan Raiter <idanr@google.com>
> Reviewed-by: Kai Ninomiya <kainino@chromium.org>

Change-Id: Id28c5658ee18ec5c030f721fb44d9f11ebe21ff9
Bug:dawn:54,chromium:972358
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7961
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Idan Raiter <idanr@google.com>
This commit is contained in:
Idan Raiter
2019-06-10 20:56:27 +00:00
committed by Commit Bot service account
parent 9d4d3eac14
commit 05f7ad5ac8
21 changed files with 1002 additions and 1 deletions
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20
src/dawn_native/ComputePassEncoder.cpp
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@@ -14,6 +14,7 @@
#include "dawn_native/ComputePassEncoder.h"
#include "dawn_native/Buffer.h"
#include "dawn_native/CommandEncoder.h"
#include "dawn_native/Commands.h"
#include "dawn_native/ComputePipeline.h"
@@ -49,6 +50,25 @@ namespace dawn_native {
dispatch->z = z;
}
void ComputePassEncoderBase::DispatchIndirect(BufferBase* indirectBuffer,
uint64_t indirectOffset) {
if (mTopLevelEncoder->ConsumedError(ValidateCanRecordCommands()) ||
mTopLevelEncoder->ConsumedError(GetDevice()->ValidateObject(indirectBuffer))) {
return;
}
if (indirectOffset >= indirectBuffer->GetSize() ||
indirectOffset + kDispatchIndirectSize > indirectBuffer->GetSize()) {
mTopLevelEncoder->HandleError("Indirect offset out of bounds");
return;
}
DispatchIndirectCmd* dispatch =
mAllocator->Allocate<DispatchIndirectCmd>(Command::DispatchIndirect);
dispatch->indirectBuffer = indirectBuffer;
dispatch->indirectOffset = indirectOffset;
}
void ComputePassEncoderBase::SetPipeline(ComputePipelineBase* pipeline) {
if (mTopLevelEncoder->ConsumedError(ValidateCanRecordCommands()) ||
mTopLevelEncoder->ConsumedError(GetDevice()->ValidateObject(pipeline))) {