mirror of
https://github.com/thorvg/thorvg.git
synced 2025-06-12 15:34:22 +00:00
6cd745dd2e
[issues 2410: emscripten support](https://github.com/thorvg/thorvg/issues/2410) - Research and prototype the Emscripten build with WebGPU. meson setup script: meson setup builddir -Ddefault_library=static -Dloaders=all -Dsavers="all" -Dbindings="wasm_beta" -Dengines="wg_beta" --cross-file ./cross/wasm_webgpu.txt
428 lines
18 KiB
C++
428 lines
18 KiB
C++
/*
|
|
* Copyright (c) 2023 - 2024 the ThorVG project. All rights reserved.
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#include "tvgWgRenderTarget.h"
|
|
|
|
//*****************************************************************************
|
|
// render storage
|
|
//*****************************************************************************
|
|
|
|
void WgRenderStorage::initialize(WgContext& context, uint32_t w, uint32_t h, uint32_t samples, WGPUTextureFormat format)
|
|
{
|
|
release(context);
|
|
// store target storage size
|
|
this->samples = samples;
|
|
width = w * samples;
|
|
height = h * samples;
|
|
workgroupsCountX = (width + WG_COMPUTE_WORKGROUP_SIZE_X - 1) / WG_COMPUTE_WORKGROUP_SIZE_X; // workgroup size x == 8
|
|
workgroupsCountY = (height + WG_COMPUTE_WORKGROUP_SIZE_Y - 1) / WG_COMPUTE_WORKGROUP_SIZE_Y; // workgroup size y == 8
|
|
// create color and stencil textures
|
|
texColor = context.createTexture2d(
|
|
WGPUTextureUsage_CopySrc |
|
|
WGPUTextureUsage_CopyDst |
|
|
WGPUTextureUsage_TextureBinding |
|
|
WGPUTextureUsage_StorageBinding |
|
|
WGPUTextureUsage_RenderAttachment,
|
|
format, width, height, "The target texture color");
|
|
texStencil = context.createTexture2d(
|
|
WGPUTextureUsage_RenderAttachment,
|
|
WGPUTextureFormat_Stencil8,
|
|
width, height, "The target texture stencil");
|
|
assert(texColor);
|
|
assert(texStencil);
|
|
texViewColor = context.createTextureView2d(texColor, "The target texture view color");
|
|
texViewStencil = context.createTextureView2d(texStencil, "The target texture view stencil");
|
|
assert(texViewColor);
|
|
assert(texViewStencil);
|
|
// initialize bind group for blitting
|
|
if (format == WGPUTextureFormat_RGBA8Unorm) {
|
|
bindGroupTexStorageRgbaRO.initialize(context.device, context.queue, texViewColor);
|
|
bindGroupTexStorageRgbaWO.initialize(context.device, context.queue, texViewColor);
|
|
}
|
|
if (format == WGPUTextureFormat_BGRA8Unorm)
|
|
bindGroupTexStorageBgraWO.initialize(context.device, context.queue, texViewColor);
|
|
// initialize window binding groups
|
|
WgShaderTypeMat4x4f viewMat(w, h);
|
|
mBindGroupCanvas.initialize(context.device, context.queue, viewMat);
|
|
mPipelines = context.pipelines;
|
|
}
|
|
|
|
|
|
void WgRenderStorage::release(WgContext& context)
|
|
{
|
|
mRenderPassEncoder = nullptr;
|
|
mBindGroupCanvas.release();
|
|
bindGroupTexStorageBgraWO.release();
|
|
bindGroupTexStorageRgbaWO.release();
|
|
bindGroupTexStorageRgbaRO.release();
|
|
context.releaseTextureView(texViewStencil);
|
|
context.releaseTextureView(texViewColor);
|
|
context.releaseTexture(texStencil);
|
|
context.releaseTexture(texColor);
|
|
workgroupsCountX = 0;
|
|
workgroupsCountY = 0;
|
|
height = 0;
|
|
width = 0;
|
|
}
|
|
|
|
|
|
void WgRenderStorage::renderShape(WgContext& context, WgRenderDataShape* renderData, WgPipelineBlendType blendType)
|
|
{
|
|
assert(renderData);
|
|
assert(mRenderPassEncoder);
|
|
if (renderData->strokeFirst) {
|
|
drawStroke(context, renderData, blendType);
|
|
drawShape(context, renderData, blendType);
|
|
} else {
|
|
drawShape(context, renderData, blendType);
|
|
drawStroke(context, renderData, blendType);
|
|
}
|
|
}
|
|
|
|
|
|
void WgRenderStorage::renderPicture(WgContext& context, WgRenderDataPicture* renderData, WgPipelineBlendType blendType)
|
|
{
|
|
assert(renderData);
|
|
assert(mRenderPassEncoder);
|
|
uint8_t blend = (uint8_t)blendType;
|
|
auto& vp = renderData->viewport;
|
|
if ((vp.w <= 0) || (vp.h <= 0)) return;
|
|
wgpuRenderPassEncoderSetScissorRect(mRenderPassEncoder, vp.x * samples, vp.y * samples, vp.w * samples, vp.h * samples);
|
|
wgpuRenderPassEncoderSetStencilReference(mRenderPassEncoder, 0);
|
|
mPipelines->image[blend].use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint, renderData->bindGroupPicture);
|
|
renderData->meshData.drawImage(context, mRenderPassEncoder);
|
|
}
|
|
|
|
void WgRenderStorage::renderClipPath(WgContext& context, WgRenderDataPaint* renderData) {
|
|
assert(renderData);
|
|
assert(mRenderPassEncoder);
|
|
if (renderData->type() == Type::Shape)
|
|
drawShapeClipPath(context, (WgRenderDataShape*)renderData);
|
|
else if (renderData->type() == Type::Picture)
|
|
drawPictureClipPath(context, (WgRenderDataPicture*)renderData);
|
|
}
|
|
|
|
void WgRenderStorage::drawShape(WgContext& context, WgRenderDataShape* renderData, WgPipelineBlendType blendType)
|
|
{
|
|
assert(renderData);
|
|
assert(mRenderPassEncoder);
|
|
assert(renderData->meshGroupShapes.meshes.count == renderData->meshGroupShapesBBox.meshes.count);
|
|
if (renderData->renderSettingsShape.skip) return;
|
|
// apply viewport
|
|
auto& vp = renderData->viewport;
|
|
if ((vp.w <= 0) || (vp.h <= 0)) return;
|
|
wgpuRenderPassEncoderSetScissorRect(mRenderPassEncoder, vp.x * samples, vp.y * samples, vp.w * samples, vp.h * samples);
|
|
// setup fill rule
|
|
wgpuRenderPassEncoderSetStencilReference(mRenderPassEncoder, 0);
|
|
if (renderData->fillRule == FillRule::Winding)
|
|
mPipelines->fillShapeWinding.use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint);
|
|
else
|
|
mPipelines->fillShapeEvenOdd.use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint);
|
|
// draw to stencil (first pass)
|
|
for (uint32_t i = 0; i < renderData->meshGroupShapes.meshes.count; i++)
|
|
renderData->meshGroupShapes.meshes[i]->drawFan(context, mRenderPassEncoder);
|
|
// fill shape geometry (second pass)
|
|
uint8_t blend = (uint8_t)blendType;
|
|
WgRenderSettings& settings = renderData->renderSettingsShape;
|
|
if (settings.fillType == WgRenderSettingsType::Solid)
|
|
mPipelines->solid[blend].use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint, settings.bindGroupSolid);
|
|
else if (settings.fillType == WgRenderSettingsType::Linear)
|
|
mPipelines->linear[blend].use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint, settings.bindGroupLinear);
|
|
else if (settings.fillType == WgRenderSettingsType::Radial)
|
|
mPipelines->radial[blend].use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint, settings.bindGroupRadial);
|
|
renderData->meshDataBBox.drawFan(context, mRenderPassEncoder);
|
|
}
|
|
|
|
|
|
void WgRenderStorage::drawStroke(WgContext& context, WgRenderDataShape* renderData, WgPipelineBlendType blendType)
|
|
{
|
|
assert(renderData);
|
|
assert(mRenderPassEncoder);
|
|
assert(renderData->meshGroupStrokes.meshes.count == renderData->meshGroupStrokesBBox.meshes.count);
|
|
if (renderData->renderSettingsStroke.skip) return;
|
|
// apply viewport
|
|
auto& vp = renderData->viewport;
|
|
if ((vp.w <= 0) || (vp.h <= 0)) return;
|
|
wgpuRenderPassEncoderSetScissorRect(mRenderPassEncoder, vp.x * samples, vp.y * samples, vp.w * samples, vp.h * samples);
|
|
// draw stroke geometry
|
|
uint8_t blend = (uint8_t)blendType;
|
|
// draw strokes to stencil (first pass)
|
|
for (uint32_t i = 0; i < renderData->meshGroupStrokes.meshes.count; i++) {
|
|
// draw to stencil (first pass)
|
|
wgpuRenderPassEncoderSetStencilReference(mRenderPassEncoder, 255);
|
|
mPipelines->fillStroke.use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint);
|
|
renderData->meshGroupStrokes.meshes[i]->draw(context, mRenderPassEncoder);
|
|
// fill shape (second pass)
|
|
wgpuRenderPassEncoderSetStencilReference(mRenderPassEncoder, 0);
|
|
WgRenderSettings& settings = renderData->renderSettingsStroke;
|
|
if (settings.fillType == WgRenderSettingsType::Solid)
|
|
mPipelines->solid[blend].use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint, settings.bindGroupSolid);
|
|
else if (settings.fillType == WgRenderSettingsType::Linear)
|
|
mPipelines->linear[blend].use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint, settings.bindGroupLinear);
|
|
else if (settings.fillType == WgRenderSettingsType::Radial)
|
|
mPipelines->radial[blend].use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint, settings.bindGroupRadial);
|
|
renderData->meshGroupStrokesBBox.meshes[i]->drawFan(context, mRenderPassEncoder);
|
|
}
|
|
}
|
|
|
|
|
|
void WgRenderStorage::drawShapeClipPath(WgContext& context, WgRenderDataShape* renderData) {
|
|
assert(renderData);
|
|
assert(renderData->type() == Type::Shape);
|
|
assert(renderData->meshGroupShapes.meshes.count == renderData->meshGroupShapesBBox.meshes.count);
|
|
// draw shape geometry
|
|
wgpuRenderPassEncoderSetStencilReference(mRenderPassEncoder, 0);
|
|
// setup fill rule
|
|
if (renderData->fillRule == FillRule::Winding)
|
|
mPipelines->fillShapeWinding.use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint);
|
|
else
|
|
mPipelines->fillShapeEvenOdd.use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint);
|
|
// draw to stencil (first pass)
|
|
for (uint32_t i = 0; i < renderData->meshGroupShapes.meshes.count; i++)
|
|
renderData->meshGroupShapes.meshes[i]->drawFan(context, mRenderPassEncoder);
|
|
// fill shape geometry (second pass)
|
|
mPipelines->clipMask.use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint);
|
|
renderData->meshDataBBox.drawFan(context, mRenderPassEncoder);
|
|
}
|
|
|
|
void WgRenderStorage::drawPictureClipPath(WgContext& context, WgRenderDataPicture* renderData) {
|
|
assert(renderData);
|
|
assert(renderData->type() == Type::Picture);
|
|
assert(mRenderPassEncoder);
|
|
wgpuRenderPassEncoderSetStencilReference(mRenderPassEncoder, 0);
|
|
mPipelines->clipMask.use(mRenderPassEncoder, mBindGroupCanvas, renderData->bindGroupPaint);
|
|
renderData->meshData.drawImage(context, mRenderPassEncoder);
|
|
}
|
|
|
|
|
|
|
|
void WgRenderStorage::blend(
|
|
WgContext& context,
|
|
WGPUCommandEncoder commandEncoder,
|
|
WgPipelineBlend* pipeline,
|
|
WgRenderStorage* texSrc,
|
|
WgRenderStorage* texDst,
|
|
WgBindGroupBlendMethod* blendMethod,
|
|
WgBindGroupOpacity* opacity)
|
|
{
|
|
assert(commandEncoder);
|
|
assert(texSrc);
|
|
assert(texDst);
|
|
assert(pipeline);
|
|
WgBindGroupTexBlend texBlend;
|
|
texBlend.initialize(context.device, context.queue, texSrc->texViewColor, texDst->texViewColor, texViewColor);
|
|
WGPUComputePassEncoder computePassEncoder = beginComputePass(commandEncoder);
|
|
pipeline->use(computePassEncoder, texBlend, *blendMethod, *opacity);
|
|
dispatchWorkgroups(computePassEncoder);
|
|
endComputePass(computePassEncoder);
|
|
}
|
|
|
|
|
|
void WgRenderStorage::blendMask(
|
|
WgContext& context,
|
|
WGPUCommandEncoder commandEncoder,
|
|
WgPipelineBlendMask* pipeline,
|
|
WgRenderStorage* texMsk,
|
|
WgRenderStorage* texSrc,
|
|
WgRenderStorage* texDst,
|
|
WgBindGroupBlendMethod* blendMethod,
|
|
WgBindGroupOpacity* opacity)
|
|
{
|
|
assert(commandEncoder);
|
|
assert(texSrc);
|
|
assert(texMsk);
|
|
WgBindGroupTexBlendMask texBlendMask;
|
|
texBlendMask.initialize(context.device, context.queue, texSrc->texViewColor, texMsk->texViewColor, texDst->texViewColor, texViewColor);
|
|
WGPUComputePassEncoder computePassEncoder = beginComputePass(commandEncoder);
|
|
pipeline->use(computePassEncoder, texBlendMask, *blendMethod, *opacity);
|
|
dispatchWorkgroups(computePassEncoder);
|
|
endComputePass(computePassEncoder);
|
|
texBlendMask.release();
|
|
};
|
|
|
|
|
|
void WgRenderStorage::maskCompose(
|
|
WgContext& context,
|
|
WGPUCommandEncoder commandEncoder,
|
|
WgRenderStorage* texMsk0,
|
|
WgRenderStorage* texMsk1)
|
|
{
|
|
assert(commandEncoder);
|
|
assert(texMsk0);
|
|
WgBindGroupTexMaskCompose maskCompose;
|
|
maskCompose.initialize(context.device, context.queue, texMsk0->texViewColor, texMsk1->texViewColor, texViewColor);
|
|
WGPUComputePassEncoder computePassEncoder = beginComputePass(commandEncoder);
|
|
mPipelines->computeMaskCompose.use(computePassEncoder, maskCompose);
|
|
dispatchWorkgroups(computePassEncoder);
|
|
endComputePass(computePassEncoder);
|
|
maskCompose.release();
|
|
}
|
|
|
|
|
|
void WgRenderStorage::compose(
|
|
WgContext& context,
|
|
WGPUCommandEncoder commandEncoder,
|
|
WgRenderStorage* texSrc,
|
|
WgRenderStorage* texMsk,
|
|
WgRenderStorage* texDst,
|
|
WgBindGroupCompositeMethod* composeMethod,
|
|
WgBindGroupBlendMethod* blendMethod,
|
|
WgBindGroupOpacity* opacity)
|
|
{
|
|
assert(commandEncoder);
|
|
assert(texSrc);
|
|
assert(texMsk);
|
|
WgBindGroupTexCompose texCompose;
|
|
texCompose.initialize(context.device, context.queue, texSrc->texViewColor, texMsk->texViewColor, texDst->texViewColor, texViewColor);
|
|
WGPUComputePassEncoder computePassEncoder = beginComputePass(commandEncoder);
|
|
mPipelines->computeCompose.use(computePassEncoder, texCompose, *composeMethod, *blendMethod, *opacity);
|
|
dispatchWorkgroups(computePassEncoder);
|
|
endComputePass(computePassEncoder);
|
|
texCompose.release();
|
|
}
|
|
|
|
|
|
void WgRenderStorage::antialias(WGPUCommandEncoder commandEncoder, WgRenderStorage* targetSrc)
|
|
{
|
|
assert(commandEncoder);
|
|
assert(targetSrc);
|
|
WGPUComputePassEncoder computePassEncoder = beginComputePass(commandEncoder);
|
|
mPipelines->computeAntiAliasing.use(computePassEncoder, targetSrc->bindGroupTexStorageRgbaRO, bindGroupTexStorageBgraWO);
|
|
dispatchWorkgroups(computePassEncoder);
|
|
endComputePass(computePassEncoder);
|
|
}
|
|
|
|
void WgRenderStorage::copy(WGPUCommandEncoder commandEncoder, WgRenderStorage* targetSrc)
|
|
{
|
|
assert(commandEncoder);
|
|
assert(targetSrc);
|
|
WGPUComputePassEncoder computePassEncoder = beginComputePass(commandEncoder);
|
|
mPipelines->computeCopy.use(computePassEncoder, targetSrc->bindGroupTexStorageRgbaRO, bindGroupTexStorageRgbaWO);
|
|
dispatchWorkgroups(computePassEncoder);
|
|
endComputePass(computePassEncoder);
|
|
}
|
|
|
|
void WgRenderStorage::dispatchWorkgroups(WGPUComputePassEncoder computePassEncoder)
|
|
{
|
|
assert(computePassEncoder);
|
|
wgpuComputePassEncoderDispatchWorkgroups(computePassEncoder, workgroupsCountX, workgroupsCountY, 1);
|
|
}
|
|
|
|
|
|
void WgRenderStorage::beginRenderPass(WGPUCommandEncoder commandEncoder, bool clear)
|
|
{
|
|
assert(commandEncoder);
|
|
// render pass depth stencil attachment
|
|
WGPURenderPassDepthStencilAttachment depthStencilAttachment{};
|
|
depthStencilAttachment.view = texViewStencil;
|
|
depthStencilAttachment.depthLoadOp = WGPULoadOp_Undefined;
|
|
depthStencilAttachment.depthStoreOp = WGPUStoreOp_Undefined;
|
|
depthStencilAttachment.depthClearValue = 1.0f;
|
|
depthStencilAttachment.depthReadOnly = false;
|
|
depthStencilAttachment.stencilLoadOp = WGPULoadOp_Clear;
|
|
depthStencilAttachment.stencilStoreOp = WGPUStoreOp_Discard;
|
|
depthStencilAttachment.stencilClearValue = 0;
|
|
depthStencilAttachment.stencilReadOnly = false;
|
|
// render pass color attachment
|
|
WGPURenderPassColorAttachment colorAttachment{};
|
|
colorAttachment.view = texViewColor;
|
|
#ifdef __EMSCRIPTEN__
|
|
colorAttachment.depthSlice = WGPU_DEPTH_SLICE_UNDEFINED;
|
|
#endif
|
|
colorAttachment.resolveTarget = nullptr;
|
|
colorAttachment.loadOp = clear ? WGPULoadOp_Clear : WGPULoadOp_Load;
|
|
colorAttachment.clearValue = { 0, 0, 0, 0 };
|
|
colorAttachment.storeOp = WGPUStoreOp_Store;
|
|
// render pass descriptor
|
|
WGPURenderPassDescriptor renderPassDesc{};
|
|
renderPassDesc.nextInChain = nullptr;
|
|
renderPassDesc.label = "The render pass";
|
|
renderPassDesc.colorAttachmentCount = 1;
|
|
renderPassDesc.colorAttachments = &colorAttachment;
|
|
renderPassDesc.depthStencilAttachment = &depthStencilAttachment;
|
|
//renderPassDesc.depthStencilAttachment = nullptr;
|
|
renderPassDesc.occlusionQuerySet = nullptr;
|
|
renderPassDesc.timestampWrites = nullptr;
|
|
// begin render pass
|
|
mRenderPassEncoder = wgpuCommandEncoderBeginRenderPass(commandEncoder, &renderPassDesc);
|
|
}
|
|
|
|
|
|
void WgRenderStorage::endRenderPass()
|
|
{
|
|
assert(mRenderPassEncoder);
|
|
wgpuRenderPassEncoderEnd(mRenderPassEncoder);
|
|
wgpuRenderPassEncoderRelease(mRenderPassEncoder);
|
|
mRenderPassEncoder = nullptr;
|
|
}
|
|
|
|
|
|
WGPUComputePassEncoder WgRenderStorage::beginComputePass(WGPUCommandEncoder commandEncoder)
|
|
{
|
|
assert(commandEncoder);
|
|
WGPUComputePassDescriptor computePassDesc{};
|
|
computePassDesc.nextInChain = nullptr;
|
|
computePassDesc.label = "The compute pass composition";
|
|
computePassDesc.timestampWrites = nullptr;
|
|
return wgpuCommandEncoderBeginComputePass(commandEncoder, &computePassDesc);
|
|
};
|
|
|
|
|
|
void WgRenderStorage::endComputePass(WGPUComputePassEncoder computePassEncoder)
|
|
{
|
|
assert(computePassEncoder);
|
|
wgpuComputePassEncoderEnd(computePassEncoder);
|
|
}
|
|
|
|
//*****************************************************************************
|
|
// render storage pool
|
|
//*****************************************************************************
|
|
|
|
WgRenderStorage* WgRenderStoragePool::allocate(WgContext& context, uint32_t w, uint32_t h, uint32_t samples)
|
|
{
|
|
WgRenderStorage* renderStorage{};
|
|
if (mPool.count > 0) {
|
|
renderStorage = mPool.last();
|
|
mPool.pop();
|
|
} else {
|
|
renderStorage = new WgRenderStorage;
|
|
renderStorage->initialize(context, w, h, samples);
|
|
mList.push(renderStorage);
|
|
}
|
|
return renderStorage;
|
|
};
|
|
|
|
|
|
void WgRenderStoragePool::free(WgContext& context, WgRenderStorage* renderStorage) {
|
|
mPool.push(renderStorage);
|
|
};
|
|
|
|
|
|
void WgRenderStoragePool::release(WgContext& context)
|
|
{
|
|
for (uint32_t i = 0; i < mList.count; i++) {
|
|
mList[i]->release(context);
|
|
delete mList[i];
|
|
}
|
|
mList.clear();
|
|
mPool.clear();
|
|
};
|