forked from mirrors/gecko-dev
b428472b9e
Backed out changeset 13f07117425f (bug 1861985) Backed out changeset 0bdc4c60018e (bug 1861985) Backed out changeset 5e6f2b2e19c6 (bug 1860958)
330 lines
11 KiB
C++
330 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/WebGPUBinding.h"
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#include "RenderPassEncoder.h"
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#include "BindGroup.h"
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#include "CommandEncoder.h"
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#include "RenderBundle.h"
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#include "RenderPipeline.h"
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#include "mozilla/webgpu/ffi/wgpu.h"
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namespace mozilla::webgpu {
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GPU_IMPL_CYCLE_COLLECTION(RenderPassEncoder, mParent, mUsedBindGroups,
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mUsedBuffers, mUsedPipelines, mUsedTextureViews,
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mUsedRenderBundles)
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GPU_IMPL_JS_WRAP(RenderPassEncoder)
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ffi::WGPURenderPass* ScopedFfiRenderTraits::empty() { return nullptr; }
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void ScopedFfiRenderTraits::release(ffi::WGPURenderPass* raw) {
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if (raw) {
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ffi::wgpu_render_pass_destroy(raw);
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}
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}
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static ffi::WGPULoadOp ConvertLoadOp(const dom::GPULoadOp& aOp) {
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switch (aOp) {
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case dom::GPULoadOp::Load:
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return ffi::WGPULoadOp_Load;
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case dom::GPULoadOp::Clear:
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return ffi::WGPULoadOp_Clear;
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case dom::GPULoadOp::EndGuard_:
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break;
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}
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MOZ_CRASH("bad GPULoadOp");
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}
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static ffi::WGPUStoreOp ConvertStoreOp(const dom::GPUStoreOp& aOp) {
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switch (aOp) {
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case dom::GPUStoreOp::Store:
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return ffi::WGPUStoreOp_Store;
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case dom::GPUStoreOp::Discard:
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return ffi::WGPUStoreOp_Discard;
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case dom::GPUStoreOp::EndGuard_:
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break;
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}
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MOZ_CRASH("bad GPUStoreOp");
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}
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static ffi::WGPUColor ConvertColor(const dom::Sequence<double>& aSeq) {
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ffi::WGPUColor color;
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color.r = aSeq.SafeElementAt(0, 0.0);
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color.g = aSeq.SafeElementAt(1, 0.0);
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color.b = aSeq.SafeElementAt(2, 0.0);
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color.a = aSeq.SafeElementAt(3, 1.0);
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return color;
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}
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static ffi::WGPUColor ConvertColor(const dom::GPUColorDict& aColor) {
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ffi::WGPUColor color = {aColor.mR, aColor.mG, aColor.mB, aColor.mA};
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return color;
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}
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static ffi::WGPUColor ConvertColor(
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const dom::DoubleSequenceOrGPUColorDict& aColor) {
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if (aColor.IsDoubleSequence()) {
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return ConvertColor(aColor.GetAsDoubleSequence());
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}
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if (aColor.IsGPUColorDict()) {
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return ConvertColor(aColor.GetAsGPUColorDict());
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}
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MOZ_ASSERT_UNREACHABLE(
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"Unexpected dom::DoubleSequenceOrGPUColorDict variant");
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return ffi::WGPUColor();
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}
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static ffi::WGPUColor ConvertColor(
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const dom::OwningDoubleSequenceOrGPUColorDict& aColor) {
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if (aColor.IsDoubleSequence()) {
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return ConvertColor(aColor.GetAsDoubleSequence());
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}
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if (aColor.IsGPUColorDict()) {
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return ConvertColor(aColor.GetAsGPUColorDict());
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}
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MOZ_ASSERT_UNREACHABLE(
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"Unexpected dom::OwningDoubleSequenceOrGPUColorDict variant");
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return ffi::WGPUColor();
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}
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ffi::WGPURenderPass* BeginRenderPass(
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CommandEncoder* const aParent, const dom::GPURenderPassDescriptor& aDesc) {
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ffi::WGPURenderPassDescriptor desc = {};
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webgpu::StringHelper label(aDesc.mLabel);
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desc.label = label.Get();
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ffi::WGPURenderPassDepthStencilAttachment dsDesc = {};
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if (aDesc.mDepthStencilAttachment.WasPassed()) {
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const auto& dsa = aDesc.mDepthStencilAttachment.Value();
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dsDesc.view = dsa.mView->mId;
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// -
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if (dsa.mDepthClearValue.WasPassed()) {
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dsDesc.depth.clear_value = dsa.mDepthClearValue.Value();
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}
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if (dsa.mDepthLoadOp.WasPassed()) {
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dsDesc.depth.load_op = ConvertLoadOp(dsa.mDepthLoadOp.Value());
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}
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if (dsa.mDepthStoreOp.WasPassed()) {
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dsDesc.depth.store_op = ConvertStoreOp(dsa.mDepthStoreOp.Value());
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}
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dsDesc.depth.read_only = dsa.mDepthReadOnly;
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// -
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dsDesc.stencil.clear_value = dsa.mStencilClearValue;
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if (dsa.mStencilLoadOp.WasPassed()) {
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dsDesc.stencil.load_op = ConvertLoadOp(dsa.mStencilLoadOp.Value());
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}
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if (dsa.mStencilStoreOp.WasPassed()) {
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dsDesc.stencil.store_op = ConvertStoreOp(dsa.mStencilStoreOp.Value());
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}
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dsDesc.stencil.read_only = dsa.mStencilReadOnly;
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// -
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desc.depth_stencil_attachment = &dsDesc;
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}
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if (aDesc.mColorAttachments.Length() > WGPUMAX_COLOR_ATTACHMENTS) {
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aParent->GetDevice()->GenerateValidationError(nsLiteralCString(
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"Too many color attachments in GPURenderPassDescriptor"));
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return nullptr;
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}
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std::array<ffi::WGPURenderPassColorAttachment, WGPUMAX_COLOR_ATTACHMENTS>
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colorDescs = {};
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desc.color_attachments = colorDescs.data();
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desc.color_attachments_length = aDesc.mColorAttachments.Length();
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for (size_t i = 0; i < aDesc.mColorAttachments.Length(); ++i) {
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const auto& ca = aDesc.mColorAttachments[i];
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ffi::WGPURenderPassColorAttachment& cd = colorDescs[i];
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cd.view = ca.mView->mId;
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cd.channel.store_op = ConvertStoreOp(ca.mStoreOp);
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if (ca.mResolveTarget.WasPassed()) {
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cd.resolve_target = ca.mResolveTarget.Value().mId;
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}
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cd.channel.load_op = ConvertLoadOp(ca.mLoadOp);
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if (ca.mClearValue.WasPassed()) {
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cd.channel.clear_value = ConvertColor(ca.mClearValue.Value());
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}
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}
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return ffi::wgpu_command_encoder_begin_render_pass(aParent->mId, &desc);
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}
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RenderPassEncoder::RenderPassEncoder(CommandEncoder* const aParent,
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const dom::GPURenderPassDescriptor& aDesc)
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: ChildOf(aParent), mPass(BeginRenderPass(aParent, aDesc)) {
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if (!mPass) {
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mValid = false;
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return;
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}
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for (const auto& at : aDesc.mColorAttachments) {
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mUsedTextureViews.AppendElement(at.mView);
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}
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if (aDesc.mDepthStencilAttachment.WasPassed()) {
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mUsedTextureViews.AppendElement(
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aDesc.mDepthStencilAttachment.Value().mView);
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}
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}
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RenderPassEncoder::~RenderPassEncoder() {
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if (mValid) {
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mValid = false;
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}
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}
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void RenderPassEncoder::SetBindGroup(
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uint32_t aSlot, const BindGroup& aBindGroup,
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const dom::Sequence<uint32_t>& aDynamicOffsets) {
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if (mValid) {
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mUsedBindGroups.AppendElement(&aBindGroup);
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ffi::wgpu_render_pass_set_bind_group(mPass, aSlot, aBindGroup.mId,
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aDynamicOffsets.Elements(),
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aDynamicOffsets.Length());
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}
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}
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void RenderPassEncoder::SetPipeline(const RenderPipeline& aPipeline) {
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if (mValid) {
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mUsedPipelines.AppendElement(&aPipeline);
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ffi::wgpu_render_pass_set_pipeline(mPass, aPipeline.mId);
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}
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}
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void RenderPassEncoder::SetIndexBuffer(const Buffer& aBuffer,
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const dom::GPUIndexFormat& aIndexFormat,
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uint64_t aOffset, uint64_t aSize) {
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if (mValid) {
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mUsedBuffers.AppendElement(&aBuffer);
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const auto iformat = aIndexFormat == dom::GPUIndexFormat::Uint32
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? ffi::WGPUIndexFormat_Uint32
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: ffi::WGPUIndexFormat_Uint16;
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ffi::wgpu_render_pass_set_index_buffer(mPass, aBuffer.mId, iformat, aOffset,
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aSize);
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}
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}
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void RenderPassEncoder::SetVertexBuffer(uint32_t aSlot, const Buffer& aBuffer,
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uint64_t aOffset, uint64_t aSize) {
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if (mValid) {
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mUsedBuffers.AppendElement(&aBuffer);
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ffi::wgpu_render_pass_set_vertex_buffer(mPass, aSlot, aBuffer.mId, aOffset,
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aSize);
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}
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}
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void RenderPassEncoder::Draw(uint32_t aVertexCount, uint32_t aInstanceCount,
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uint32_t aFirstVertex, uint32_t aFirstInstance) {
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if (mValid) {
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ffi::wgpu_render_pass_draw(mPass, aVertexCount, aInstanceCount,
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aFirstVertex, aFirstInstance);
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}
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}
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void RenderPassEncoder::DrawIndexed(uint32_t aIndexCount,
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uint32_t aInstanceCount,
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uint32_t aFirstIndex, int32_t aBaseVertex,
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uint32_t aFirstInstance) {
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if (mValid) {
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ffi::wgpu_render_pass_draw_indexed(mPass, aIndexCount, aInstanceCount,
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aFirstIndex, aBaseVertex,
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aFirstInstance);
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}
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}
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void RenderPassEncoder::DrawIndirect(const Buffer& aIndirectBuffer,
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uint64_t aIndirectOffset) {
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if (mValid) {
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ffi::wgpu_render_pass_draw_indirect(mPass, aIndirectBuffer.mId,
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aIndirectOffset);
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}
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}
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void RenderPassEncoder::DrawIndexedIndirect(const Buffer& aIndirectBuffer,
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uint64_t aIndirectOffset) {
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if (mValid) {
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ffi::wgpu_render_pass_draw_indexed_indirect(mPass, aIndirectBuffer.mId,
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aIndirectOffset);
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}
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}
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void RenderPassEncoder::SetViewport(float x, float y, float width, float height,
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float minDepth, float maxDepth) {
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if (mValid) {
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ffi::wgpu_render_pass_set_viewport(mPass, x, y, width, height, minDepth,
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maxDepth);
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}
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}
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void RenderPassEncoder::SetScissorRect(uint32_t x, uint32_t y, uint32_t width,
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uint32_t height) {
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if (mValid) {
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ffi::wgpu_render_pass_set_scissor_rect(mPass, x, y, width, height);
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}
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}
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void RenderPassEncoder::SetBlendConstant(
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const dom::DoubleSequenceOrGPUColorDict& color) {
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if (mValid) {
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ffi::WGPUColor aColor = ConvertColor(color);
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ffi::wgpu_render_pass_set_blend_constant(mPass, &aColor);
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}
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}
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void RenderPassEncoder::SetStencilReference(uint32_t reference) {
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if (mValid) {
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ffi::wgpu_render_pass_set_stencil_reference(mPass, reference);
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}
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}
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void RenderPassEncoder::ExecuteBundles(
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const dom::Sequence<OwningNonNull<RenderBundle>>& aBundles) {
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if (mValid) {
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nsTArray<ffi::WGPURenderBundleId> renderBundles(aBundles.Length());
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for (const auto& bundle : aBundles) {
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mUsedRenderBundles.AppendElement(bundle);
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renderBundles.AppendElement(bundle->mId);
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}
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ffi::wgpu_render_pass_execute_bundles(mPass, renderBundles.Elements(),
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renderBundles.Length());
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}
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}
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void RenderPassEncoder::PushDebugGroup(const nsAString& aString) {
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if (mValid) {
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const NS_ConvertUTF16toUTF8 utf8(aString);
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ffi::wgpu_render_pass_push_debug_group(mPass, utf8.get(), 0);
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}
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}
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void RenderPassEncoder::PopDebugGroup() {
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if (mValid) {
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ffi::wgpu_render_pass_pop_debug_group(mPass);
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}
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}
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void RenderPassEncoder::InsertDebugMarker(const nsAString& aString) {
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if (mValid) {
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const NS_ConvertUTF16toUTF8 utf8(aString);
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ffi::wgpu_render_pass_insert_debug_marker(mPass, utf8.get(), 0);
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}
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}
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void RenderPassEncoder::End(ErrorResult& aRv) {
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if (mValid) {
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mValid = false;
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auto* pass = mPass.forget();
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MOZ_ASSERT(pass);
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mParent->EndRenderPass(*pass, aRv);
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}
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}
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} // namespace mozilla::webgpu
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