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gl_engine: fix fbo and texture leak

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GlRenderTarget contains framebuffer and render target objects,
these GPU resources need to be released before reusing the structure and calling init with the new size.
This commit is contained in:
RuiwenTang 2024-12-31 14:36:01 +08:00 • committed by Hermet Park
parent 12b3747d08
commit 3c6d686795
3 changed files with 8 additions and 7 deletions
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6
src/renderer/gl_engine/tvgGlRenderTarget.cpp
View file

@ -22,6 +22,8 @@
#include "tvgGlRenderTarget.h"
GlRenderTarget::GlRenderTarget(uint32_t width, uint32_t height): mWidth(width), mHeight(height) {}
GlRenderTarget::~GlRenderTarget()
{
if (mFbo == 0) return;
@ -122,9 +124,7 @@ GlRenderTarget* GlRenderTargetPool::getRenderTarget(const RenderRegion& vp, GLui
}
}
auto rt = new GlRenderTarget;
rt->mWidth = width;
rt->mHeight = height;
auto rt = new GlRenderTarget(width, height);
rt->init(resolveId);
rt->setViewport(vp);
mPool.push(rt);

6
src/renderer/gl_engine/tvgGlRenderTarget.h
View file

@ -28,6 +28,8 @@
class GlRenderTarget
{
public:
GlRenderTarget() = default;
GlRenderTarget(uint32_t width, uint32_t height);
~GlRenderTarget();
void init(GLint resolveId);
@ -42,10 +44,10 @@ public:
void setViewport(const RenderRegion& vp) { mViewport = vp; }
const RenderRegion& getViewport() const { return mViewport; }
uint32_t mWidth;
uint32_t mHeight;
private:
uint32_t mWidth = 0;
uint32_t mHeight = 0;
RenderRegion mViewport{};
GLuint mFbo = 0;
GLuint mColorBuffer = 0;

3
src/renderer/gl_engine/tvgGlRenderer.cpp
View file

@ -814,8 +814,7 @@ bool GlRenderer::target(void* context, int32_t id, uint32_t w, uint32_t h)
mContext = context;
mTargetFboId = static_cast<GLint>(id);
mRootTarget.mWidth = surface.w;
mRootTarget.mHeight = surface.h;
mRootTarget = GlRenderTarget(surface.w, surface.h);
mRootTarget.setViewport({0, 0, static_cast<int32_t>(surface.w), static_cast<int32_t>(surface.h)});
mRootTarget.init(mTargetFboId);