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GPU/HW: Properly implement too-large polygon culling

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Replaces triangle strips with triangle lists, which has the added bonus
of not requiring flushing as many batches.

Fixes missing geometry in Vagrant Story.
This commit is contained in:
Connor McLaughlin
2020-02-17 00:09:45 +09:00
parent bbe54df3a8
commit 149cbf6457
2 changed files with 122 additions and 82 deletions
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13
src/core/gpu_hw.h
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@ -156,7 +156,6 @@ protected:
BatchVertex* m_batch_start_vertex_ptr = nullptr;
BatchVertex* m_batch_end_vertex_ptr = nullptr;
BatchVertex* m_batch_current_vertex_ptr = nullptr;
BatchVertex m_batch_last_vertex = {};
u32 m_batch_base_vertex = 0;
u32 m_resolution_scale = 1;
@ -188,13 +187,17 @@ private:
static BatchPrimitive GetPrimitiveForCommand(RenderCommand rc);
void LoadVertices(RenderCommand rc, u32 num_vertices, const u32* command_ptr);
void AddDuplicateVertex();
ALWAYS_INLINE void AddVertex(const BatchVertex& v)
{
std::memcpy(m_batch_current_vertex_ptr, &v, sizeof(BatchVertex));
m_batch_current_vertex_ptr++;
}
template<typename... Args>
ALWAYS_INLINE void AddVertex(Args&&... args)
ALWAYS_INLINE void AddNewVertex(Args&&... args)
{
m_batch_last_vertex.Set(std::forward<Args>(args)...);
std::memcpy(m_batch_current_vertex_ptr, &m_batch_last_vertex, sizeof(BatchVertex));
m_batch_current_vertex_ptr->Set(std::forward<Args>(args)...);
m_batch_current_vertex_ptr++;
}
};