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gl_engine: Fix compose render not correct after canvas resize

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When canvas size changed, need to clear cached GLRenderTarget and
GLCompose.
This commit is contained in:
RuiwenTang 2024-06-23 21:53:46 +08:00 • committed by Hermet Park
parent af1f3cb59d
commit 3c6a456d2c
2 changed files with 8 additions and 20 deletions
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27
src/renderer/gl_engine/tvgGlRenderer.cpp
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@ -63,29 +63,18 @@ bool GlRenderer::target(int32_t id, uint32_t w, uint32_t h)
surface.w = w;
surface.h = h;
mTargetViewport.x = 0;
mTargetViewport.y = 0;
mTargetViewport.w = surface.w;
mTargetViewport.h = surface.h;
mTargetFboId = static_cast<GLint>(id);
//TODO: It's not allow to draw onto the main surface. Need to confirm the policy.
if (mTargetFboId == 0) {
GL_CHECK(glGetIntegerv(GL_FRAMEBUFFER_BINDING, &mTargetFboId));
GLint dims[4] = {0};
GL_CHECK(glGetIntegerv(GL_VIEWPORT, dims));
// If targeting on the main framebuffer ,the actual size may by adjusted by the window system.
// In case the size is different from logical size, query and set the actual viewport here
mTargetViewport.w = dims[2];
mTargetViewport.h = dims[3];
}
mRootTarget = make_unique<GlRenderTarget>(surface.w, surface.h);
mRootTarget->init(mTargetFboId);
mRenderPassStack.clear();
mComposeStack.clear();
for (uint32_t i = 0; i < mComposePool.count; i++) delete mComposePool[i];
mComposePool.clear();
return true;
}
@ -109,7 +98,7 @@ bool GlRenderer::sync()
prepareBlitTask(task);
task->mClearBuffer = mClearBuffer;
task->setTargetViewport(mTargetViewport);
task->setTargetViewport(RenderRegion{0, 0, static_cast<int32_t>(surface.w), static_cast<int32_t>(surface.h)});
mGpuBuffer->flushToGPU();
mGpuBuffer->bind();

1
src/renderer/gl_engine/tvgGlRenderer.h
View file

@ -98,7 +98,6 @@ private:
Surface surface;
GLint mTargetFboId = 0;
RenderRegion mViewport;
RenderRegion mTargetViewport;
//TODO: remove all unique_ptr / replace the vector with tvg::Array
unique_ptr<GlStageBuffer> mGpuBuffer;
vector<std::unique_ptr<GlProgram>> mPrograms;