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Merge pull request #6598 from FernandoS27/falklands-are-british

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MacroHLE: Add MultidrawIndirect HLE Macro.
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liamwhite 2022-10-01 20:58:03 -04:00 committed by GitHub
commit 188932768e
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1 changed files with 62 additions and 1 deletions
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63
src/video_core/macro/macro_hle.cpp
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@ -3,6 +3,8 @@
#include <array>
#include <vector>
#include "common/scope_exit.h"
#include "video_core/dirty_flags.h"
#include "video_core/engines/maxwell_3d.h"
#include "video_core/macro/macro.h"
#include "video_core/macro/macro_hle.h"
@ -58,6 +60,7 @@ void HLE_0217920100488FF7(Engines::Maxwell3D& maxwell3d, const std::vector<u32>&
maxwell3d.regs.index_array.first = parameters[3];
maxwell3d.regs.reg_array[0x446] = element_base; // vertex id base?
maxwell3d.regs.index_array.count = parameters[1];
maxwell3d.dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
maxwell3d.regs.vb_element_base = element_base;
maxwell3d.regs.vb_base_instance = base_instance;
maxwell3d.mme_draw.instance_count = instance_count;
@ -80,10 +83,67 @@ void HLE_0217920100488FF7(Engines::Maxwell3D& maxwell3d, const std::vector<u32>&
maxwell3d.mme_draw.current_mode = Engines::Maxwell3D::MMEDrawMode::Undefined;
}
constexpr std::array<std::pair<u64, HLEFunction>, 3> hle_funcs{{
// Multidraw Indirect
void HLE_3F5E74B9C9A50164(Engines::Maxwell3D& maxwell3d, const std::vector<u32>& parameters) {
SCOPE_EXIT({
// Clean everything.
maxwell3d.regs.reg_array[0x446] = 0x0; // vertex id base?
maxwell3d.regs.index_array.count = 0;
maxwell3d.regs.vb_element_base = 0x0;
maxwell3d.regs.vb_base_instance = 0x0;
maxwell3d.mme_draw.instance_count = 0;
maxwell3d.CallMethodFromMME(0x8e3, 0x640);
maxwell3d.CallMethodFromMME(0x8e4, 0x0);
maxwell3d.CallMethodFromMME(0x8e5, 0x0);
maxwell3d.mme_draw.current_mode = Engines::Maxwell3D::MMEDrawMode::Undefined;
maxwell3d.dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
});
const u32 start_indirect = parameters[0];
const u32 end_indirect = parameters[1];
if (start_indirect >= end_indirect) {
// Nothing to do.
return;
}
const auto topology =
static_cast<Tegra::Engines::Maxwell3D::Regs::PrimitiveTopology>(parameters[2]);
maxwell3d.regs.draw.topology.Assign(topology);
const u32 padding = parameters[3];
const std::size_t max_draws = parameters[4];
const u32 indirect_words = 5 + padding;
const std::size_t first_draw = start_indirect;
const std::size_t effective_draws = end_indirect - start_indirect;
const std::size_t last_draw = start_indirect + std::min(effective_draws, max_draws);
for (std::size_t index = first_draw; index < last_draw; index++) {
const std::size_t base = index * indirect_words + 5;
const u32 num_vertices = parameters[base];
const u32 instance_count = parameters[base + 1];
const u32 first_index = parameters[base + 2];
const u32 base_vertex = parameters[base + 3];
const u32 base_instance = parameters[base + 4];
maxwell3d.regs.index_array.first = first_index;
maxwell3d.regs.reg_array[0x446] = base_vertex;
maxwell3d.regs.index_array.count = num_vertices;
maxwell3d.regs.vb_element_base = base_vertex;
maxwell3d.regs.vb_base_instance = base_instance;
maxwell3d.mme_draw.instance_count = instance_count;
maxwell3d.CallMethodFromMME(0x8e3, 0x640);
maxwell3d.CallMethodFromMME(0x8e4, base_vertex);
maxwell3d.CallMethodFromMME(0x8e5, base_instance);
maxwell3d.dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
if (maxwell3d.ShouldExecute()) {
maxwell3d.Rasterizer().Draw(true, true);
}
maxwell3d.mme_draw.current_mode = Engines::Maxwell3D::MMEDrawMode::Undefined;
}
}
constexpr std::array<std::pair<u64, HLEFunction>, 4> hle_funcs{{
{0x771BB18C62444DA0, &HLE_771BB18C62444DA0},
{0x0D61FC9FAAC9FCAD, &HLE_0D61FC9FAAC9FCAD},
{0x0217920100488FF7, &HLE_0217920100488FF7},
{0x3F5E74B9C9A50164, &HLE_3F5E74B9C9A50164},
}};
class HLEMacroImpl final : public CachedMacro {
@ -99,6 +159,7 @@ private:
Engines::Maxwell3D& maxwell3d;
HLEFunction func;
};
} // Anonymous namespace
HLEMacro::HLEMacro(Engines::Maxwell3D& maxwell3d_) : maxwell3d{maxwell3d_} {}