- fix use after delete

src/rendering/polyrenderer/backend/poly_buffers.cpp

@@ -76,14 +76,12 @@ void PolyBuffer::Unlock()
 
 void PolyVertexBuffer::SetFormat(int numBindingPoints, int numAttributes, size_t stride, const FVertexBufferAttribute *attrs)
 {
-	for (int j = 0; j < numAttributes; j++)
-	{
-		mOffsets[attrs[j].location] = attrs[j].offset;
-	}
-	mStride = stride;
+	VertexFormat = GetPolyFrameBuffer()->GetRenderState()->GetVertexFormat(numBindingPoints, numAttributes, stride, attrs);
 }
 
-void PolyVertexBuffer::Load(PolyTriangleThreadData *thread, const void *vertices, int index)
+/////////////////////////////////////////////////////////////////////////////
+
+void PolyVertexInputAssembly::Load(PolyTriangleThreadData *thread, const void *vertices, int index)
 {
 	const uint8_t *vertex = static_cast<const uint8_t*>(vertices) + mStride * index;
 	const float *attrVertex = reinterpret_cast<const float*>(vertex + mOffsets[VATTR_VERTEX]);

src/rendering/polyrenderer/backend/poly_buffers.h

@@ -39,17 +39,27 @@ private:
 	std::vector<uint32_t> mData;
 };
 
-class PolyVertexBuffer : public IVertexBuffer, public PolyBuffer, public PolyInputAssembly
+class PolyVertexInputAssembly : public PolyInputAssembly
+{
+public:
+	size_t mOffsets[VATTR_MAX] = {};
+	size_t mStride = 0;
+
+	int NumBindingPoints;
+	size_t Stride;
+	std::vector<FVertexBufferAttribute> Attrs;
+	int UseVertexData;
+
+	void Load(PolyTriangleThreadData *thread, const void *vertices, int index) override;
+};
+
+class PolyVertexBuffer : public IVertexBuffer, public PolyBuffer
 {
 public:
 	PolyVertexBuffer() { }
 	void SetFormat(int numBindingPoints, int numAttributes, size_t stride, const FVertexBufferAttribute *attrs) override;
 
-	void Load(PolyTriangleThreadData *thread, const void *vertices, int index) override;
-
-private:
-	size_t mOffsets[VATTR_MAX] = {};
-	size_t mStride = 0;
+	PolyVertexInputAssembly *VertexFormat = nullptr;
 };
 
 class PolyIndexBuffer : public IIndexBuffer, public PolyBuffer

src/rendering/polyrenderer/backend/poly_framebuffer.cpp

@@ -84,13 +84,13 @@ void PolyFrameBuffer::InitializeState()
 	uniformblockalignment = 1;
 	maxuniformblock = 0x7fffffff;
 
+	mRenderState.reset(new PolyRenderState());
+
 	mVertexData = new FFlatVertexBuffer(GetWidth(), GetHeight());
 	mSkyData = new FSkyVertexBuffer;
 	mViewpoints = new GLViewpointBuffer;
 	mLights = new FLightBuffer();
 
-	mRenderState.reset(new PolyRenderState());
-
 	CheckCanvas();
 }
 

src/rendering/polyrenderer/backend/poly_renderstate.cpp

@@ -201,7 +201,7 @@ void PolyRenderState::Apply()
 
 	if (mVertexBuffer) PolyTriangleDrawer::SetVertexBuffer(fb->GetDrawCommands(), mVertexBuffer->Memory());
 	if (mIndexBuffer) PolyTriangleDrawer::SetIndexBuffer(fb->GetDrawCommands(), mIndexBuffer->Memory());
-	PolyTriangleDrawer::SetInputAssembly(fb->GetDrawCommands(), static_cast<PolyVertexBuffer*>(mVertexBuffer));
+	PolyTriangleDrawer::SetInputAssembly(fb->GetDrawCommands(), static_cast<PolyVertexBuffer*>(mVertexBuffer)->VertexFormat);
 	PolyTriangleDrawer::SetRenderStyle(fb->GetDrawCommands(), mRenderStyle);
 	PolyTriangleDrawer::PushStreamData(fb->GetDrawCommands(), mStreamData, constants);
 	ApplyMatrices();
@@ -287,3 +287,48 @@ void PolyRenderState::Bind(PolyDataBuffer *buffer, uint32_t offset, uint32_t len
 		PolyTriangleDrawer::SetViewpointUniforms(GetPolyFrameBuffer()->GetDrawCommands(), mViewpointUniforms);
 	}
 }
+
+PolyVertexInputAssembly *PolyRenderState::GetVertexFormat(int numBindingPoints, int numAttributes, size_t stride, const FVertexBufferAttribute *attrs)
+{
+	for (size_t i = 0; i < mVertexFormats.size(); i++)
+	{
+		auto f = mVertexFormats[i].get();
+		if (f->Attrs.size() == (size_t)numAttributes && f->NumBindingPoints == numBindingPoints && f->Stride == stride)
+		{
+			bool matches = true;
+			for (int j = 0; j < numAttributes; j++)
+			{
+				if (memcmp(&f->Attrs[j], &attrs[j], sizeof(FVertexBufferAttribute)) != 0)
+				{
+					matches = false;
+					break;
+				}
+			}
+
+			if (matches)
+				return f;
+		}
+	}
+
+	auto fmt = std::make_unique<PolyVertexInputAssembly>();
+	fmt->NumBindingPoints = numBindingPoints;
+	fmt->Stride = stride;
+	fmt->UseVertexData = 0;
+	for (int j = 0; j < numAttributes; j++)
+	{
+		if (attrs[j].location == VATTR_COLOR)
+			fmt->UseVertexData |= 1;
+		else if (attrs[j].location == VATTR_NORMAL)
+			fmt->UseVertexData |= 2;
+		fmt->Attrs.push_back(attrs[j]);
+	}
+
+	for (int j = 0; j < numAttributes; j++)
+	{
+		fmt->mOffsets[attrs[j].location] = attrs[j].offset;
+	}
+	fmt->mStride = stride;
+
+	mVertexFormats.push_back(std::move(fmt));
+	return mVertexFormats.back().get();
+}

src/rendering/polyrenderer/backend/poly_renderstate.h

@@ -42,6 +42,8 @@ public:
 
 	void Bind(PolyDataBuffer *buffer, uint32_t offset, uint32_t length);
 
+	PolyVertexInputAssembly *GetVertexFormat(int numBindingPoints, int numAttributes, size_t stride, const FVertexBufferAttribute *attrs);
+
 private:
 	void Apply();
 	void ApplyMaterial();
@@ -57,6 +59,7 @@ private:
 	bool mFirstMatrixApply = true;
 
 	HWViewpointUniforms *mViewpointUniforms = nullptr;
+	std::vector<std::unique_ptr<PolyVertexInputAssembly>> mVertexFormats;
 
 	bool mDepthClamp = true;
 };