piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-21 05:09:34 -06:00
Code Issues Packages Projects Releases Wiki Activity

VideoCommon: Cull vertices on the CPU

Browse Source
This commit is contained in:
TellowKrinkle
2022-07-26 03:57:30 -05:00
parent b170ef9651
commit 1be0149146
7 changed files with 57 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
Source/Core/VideoCommon/VertexLoaderManager.cpp
View File

@ -30,6 +30,7 @@
#include "VideoCommon/VertexLoaderBase.h"
#include "VideoCommon/VertexManagerBase.h"
#include "VideoCommon/VertexShaderManager.h"
#include "VideoCommon/VideoConfig.h"
#include "VideoCommon/XFMemory.h"
namespace VertexLoaderManager
@ -366,17 +367,33 @@ int RunVertices(int vtx_attr_group, OpcodeDecoder::Primitive primitive, int coun
vertex_shader_manager.SetVertexFormat(loader->m_native_components,
loader->m_native_vertex_format->GetVertexDeclaration());
// if cull mode is CULL_ALL, tell VertexManager to skip triangles and quads.
// They still need to go through vertex loading, because we need to calculate a zfreeze refrence
// slope.
bool cullall = (bpmem.genMode.cullmode == CullMode::All &&
primitive < OpcodeDecoder::Primitive::GX_DRAW_LINES);
// CPUCull's performance increase comes from encoding fewer GPU commands, not sending less data
// Therefore it's only useful to check if culling could remove a flush
const bool can_cpu_cull = g_ActiveConfig.bCPUCull &&
primitive < OpcodeDecoder::Primitive::GX_DRAW_LINES &&
!g_vertex_manager->HasSendableVertices();
DataReader dst = g_vertex_manager->PrepareForAdditionalData(
primitive, count, loader->m_native_vtx_decl.stride, cullall);
// if cull mode is CULL_ALL, tell VertexManager to skip triangles and quads.
// They still need to go through vertex loading, because we need to calculate a zfreeze
// reference slope.
const bool cullall = (bpmem.genMode.cullmode == CullMode::All &&
primitive < OpcodeDecoder::Primitive::GX_DRAW_LINES);
const int stride = loader->m_native_vtx_decl.stride;
DataReader dst = g_vertex_manager->PrepareForAdditionalData(primitive, count, stride,
cullall || can_cpu_cull);
count = loader->RunVertices(src, dst.GetPointer(), count);
if (can_cpu_cull && !cullall)
{
if (!g_vertex_manager->AreAllVerticesCulled(loader, primitive, dst.GetPointer(), count))
{
DataReader new_dst = g_vertex_manager->DisableCullAll(stride);
memmove(new_dst.GetPointer(), dst.GetPointer(), count * stride);
}
}
g_vertex_manager->AddIndices(primitive, count);
g_vertex_manager->FlushData(count, loader->m_native_vtx_decl.stride);