git_clone/thorvg
1
0
Fork 0
mirror of https://github.com/thorvg/thorvg.git synced 2025-06-20 06:52:03 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

wg_engine: Improve resizing mechanics

Browse source 
In case of resizing recreate only render targets, but not all compositor handles
This commit is contained in:
Sergii Liebodkin 2024-12-09 20:31:48 +00:00 • committed by Hermet Park
parent f017bb84c1
commit 482bd50157
3 changed files with 72 additions and 34 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

46
src/renderer/wg_engine/tvgWgCompositor.cpp
View file

@ -28,40 +28,59 @@ void WgCompositor::initialize(WgContext& context, uint32_t width, uint32_t heigh
// pipelines (external handle, do not release)
pipelines.initialize(context);
// initialize opacity pool
initPools(context);
// allocate global view matrix handles
WgShaderTypeMat4x4f viewMat(width, height);
context.allocateBufferUniform(bufferViewMat, &viewMat, sizeof(viewMat));
bindGroupViewMat = context.layouts.createBindGroupBuffer1Un(bufferViewMat);
// create render targets handles
resize(context, width, height);
// composition and blend geometries
meshData.blitBox(context);
}
void WgCompositor::initPools(WgContext& context)
{
for (uint32_t i = 0; i < 256; i++) {
float opacity = i / 255.0f;
context.allocateBufferUniform(bufferOpacities[i], &opacity, sizeof(float));
bindGroupOpacities[i] = context.layouts.createBindGroupBuffer1Un(bufferOpacities[i]);
}
// create render targets handles
resize(context, width, height);
}
void WgCompositor::release(WgContext& context)
{
// composition and blend geometries
meshData.release(context);
// release render targets habdles
resize(context, 0, 0);
// release opacity pool
releasePools(context);
// release global view matrix handles
context.layouts.releaseBindGroup(bindGroupViewMat);
context.releaseBuffer(bufferViewMat);
// release pipelines
pipelines.release(context);
}
void WgCompositor::releasePools(WgContext& context)
{
// release opacity pool
for (uint32_t i = 0; i < 256; i++) {
context.layouts.releaseBindGroup(bindGroupOpacities[i]);
context.releaseBuffer(bufferOpacities[i]);
}
// release pipelines
pipelines.release(context);
}
void WgCompositor::resize(WgContext& context, uint32_t width, uint32_t height) {
// release existig handles
if ((this->width != width) || (this->height != height)) {
// composition and blend geometries
meshData.release(context);
// release intermediate render storages
storageDstCopy.release(context);
// release global view matrix handles
context.layouts.releaseBindGroup(bindGroupViewMat);
context.releaseBuffer(bufferViewMat);
// release global stencil buffer handles
context.releaseTextureView(texViewDepthStencilMS);
context.releaseTexture(texDepthStencilMS);
@ -77,19 +96,16 @@ void WgCompositor::resize(WgContext& context, uint32_t width, uint32_t height) {
// store render target dimensions
this->width = width;
this->height = height;
// reallocate global view matrix handles
WgShaderTypeMat4x4f viewMat(width, height);
context.allocateBufferUniform(bufferViewMat, &viewMat, sizeof(viewMat));
// allocate global stencil buffer handles
texDepthStencil = context.createTexAttachement(width, height, WGPUTextureFormat_Depth24PlusStencil8, 1);
texViewDepthStencil = context.createTextureView(texDepthStencil);
texDepthStencilMS = context.createTexAttachement(width, height, WGPUTextureFormat_Depth24PlusStencil8, 4);
texViewDepthStencilMS = context.createTextureView(texDepthStencilMS);
// allocate global view matrix handles
WgShaderTypeMat4x4f viewMat(width, height);
context.allocateBufferUniform(bufferViewMat, &viewMat, sizeof(viewMat));
bindGroupViewMat = context.layouts.createBindGroupBuffer1Un(bufferViewMat);
// initialize intermediate render storages
storageDstCopy.initialize(context, width, height);
// composition and blend geometries
meshData.blitBox(context);
}
}

2
src/renderer/wg_engine/tvgWgCompositor.h
View file

@ -64,7 +64,9 @@ private:
RenderRegion shrinkRenderRegion(RenderRegion& rect);
public:
void initialize(WgContext& context, uint32_t width, uint32_t height);
void initPools(WgContext& context);
void release(WgContext& context);
void releasePools(WgContext& context);
void resize(WgContext& context, uint32_t width, uint32_t height);
// render passes workflow

34
src/renderer/wg_engine/tvgWgRenderer.cpp
View file

@ -308,15 +308,9 @@ bool WgRenderer::target(WGPUDevice device, WGPUInstance instance, void* target,
if ((mContext.device != device) || (mContext.instance != instance)) {
// release all handles
release();
// initialize base rendering handles
mContext.initialize(instance, device);
// release render targets only
} else if (mRenderStorageRoot.texView) {
mRenderStoragePool.release(mContext);
mRenderStorageRoot.release(mContext);
mCompositor.release(mContext);
clearTargets();
}
// initialize render tree instances
mRenderStoragePool.initialize(mContext, width, height);
@ -333,6 +327,32 @@ bool WgRenderer::target(WGPUDevice device, WGPUInstance instance, void* target,
surface = (WGPUSurface)target;
surfaceConfigure(surface, mContext, width, height);
} else targetTexture = (WGPUTexture)target;
return true;
}
// update retnder targets dimentions
if ((mTargetSurface.w != width) || (mTargetSurface.h != height)) {
// release render tagets
mRenderStoragePool.release(mContext);
mRenderStorageRoot.release(mContext);
clearTargets();
mRenderStoragePool.initialize(mContext, width, height);
mRenderStorageRoot.initialize(mContext, width, height);
mCompositor.resize(mContext, width, height);
// store target properties
mTargetSurface.stride = width;
mTargetSurface.w = width;
mTargetSurface.h = height;
// configure surface (must be called after context creation)
if (type == 0) {
surface = (WGPUSurface)target;
surfaceConfigure(surface, mContext, width, height);
} else targetTexture = (WGPUTexture)target;
return true;
}
return true;
}