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Implement basic indirect draw macro HLE

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This still requires usagetracker to avoid redundantly performing indirect draws when the memory isn't dirty, and to allow for using it with direct memory, but it's a start.
This commit is contained in:
Billy Laws 2023-02-04 22:59:42 +00:00
parent 2444f2e81d
commit 04f3fa4b7f
3 changed files with 31 additions and 10 deletions
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6
app/src/main/cpp/skyline/soc/gm20b/engines/maxwell_3d.cpp
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@ -499,4 +499,10 @@ namespace skyline::soc::gm20b::engine::maxwell3d {
interconnect.Draw(topology, *registers.streamOutputEnable, true, indexBufferCount, indexBufferFirst, instanceCount, globalBaseVertexIndex, globalBaseInstanceIndex);
}
void Maxwell3D::DrawIndexedIndirect(u32 drawTopology, span<u8> indirectBuffer, u32 count, u32 stride) {
auto topology{static_cast<type::DrawTopology>(drawTopology)};
interconnect.DrawIndirect(topology, *registers.streamOutputEnable, true, indirectBuffer, count, stride);
}
}

2
app/src/main/cpp/skyline/soc/gm20b/engines/maxwell_3d.h
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@ -456,5 +456,7 @@ namespace skyline::soc::gm20b::engine::maxwell3d {
void DrawInstanced(bool setRegs, u32 drawTopology, u32 vertexArrayCount, u32 instanceCount, u32 vertexArrayStart, u32 globalBaseInstanceIndex) override;
void DrawIndexedInstanced(bool setRegs, u32 drawTopology, u32 indexBufferCount, u32 instanceCount, u32 globalBaseVertexIndex, u32 indexBufferFirst, u32 globalBaseInstanceIndex) override;
void DrawIndexedIndirect(u32 drawTopology, span<u8> indirectBuffer, u32 count, u32 stride) override;
};
}

33
app/src/main/cpp/skyline/soc/gm20b/macro/macro_state.cpp
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@ -2,10 +2,22 @@
// Copyright © 2022 yuzu Emulator Project (https://yuzu-emu.org/)
// Copyright © 2022 Skyline Team and Contributors (https://github.com/skyline-emu/)
#include <soc/gm20b/engines/maxwell/types.h>
#include <soc/gm20b/engines/engine.h>
#include "macro_state.h"
namespace skyline::soc::gm20b {
static bool TopologyRequiresConversion(engine::maxwell3d::type::DrawTopology topology) {
switch (topology) {
case engine::maxwell3d::type::DrawTopology::Quads:
case engine::maxwell3d::type::DrawTopology::QuadStrip:
case engine::maxwell3d::type::DrawTopology::Polygon:
return true;
default:
return false;
}
}
namespace macro_hle {
bool DrawInstanced(size_t offset, span<MacroArgument> args, engine::MacroEngineBase *targetEngine) {
u32 instanceCount{targetEngine->ReadMethodFromMacro(0xD1B) & *args[2]};
@ -21,16 +33,17 @@ namespace skyline::soc::gm20b {
return true;
}
void DrawInstancedIndexedWithConstantBuffer(size_t offset, span<u32> args, engine::MacroEngineBase *targetEngine) {
// Writes globalBaseVertexIndex and globalBaseInstanceIndex to the bound constant buffer before performing a standard instanced indexed draw
u32 instanceCount{targetEngine->ReadMethodFromMacro(0xD1B) & args[2]};
targetEngine->CallMethodFromMacro(0x8e3, 0x640);
targetEngine->CallMethodFromMacro(0x8e4, args[4]);
targetEngine->CallMethodFromMacro(0x8e5, args[5]);
targetEngine->DrawIndexedInstanced(false, args[0], args[1], instanceCount, args[4], args[3], args[5]);
targetEngine->CallMethodFromMacro(0x8e3, 0x640);
targetEngine->CallMethodFromMacro(0x8e4, 0x0);
targetEngine->CallMethodFromMacro(0x8e5, 0x0);
bool DrawInstancedIndexedIndirectWithConstantBuffer(size_t offset, span<MacroArgument> args, engine::MacroEngineBase *targetEngine) {
u32 topology{*args[0]};
if (TopologyRequiresConversion(static_cast<engine::maxwell3d::type::DrawTopology>(topology)) || !args[1].argumentPtr) {
// If the passed parameters aren't dirty or the indirect topology isn't supported fallback to a non indirect draw (may wait)
u32 instanceCount{targetEngine->ReadMethodFromMacro(0xD1B) & *args[2]};
targetEngine->DrawIndexedInstanced(false, topology, *args[1], instanceCount, *args[4], *args[3], *args[5]);
} else {
targetEngine->DrawIndexedIndirect(topology, span(args[1].argumentPtr, 5).cast<u8>(), 1, 0);
}
return true;
}
struct HleFunctionInfo {