diff options
author | Feng Chen <vonchenplus@gmail.com> | 2022-12-06 06:45:26 +0100 |
---|---|---|
committer | Feng Chen <vonchenplus@gmail.com> | 2022-12-08 03:12:19 +0100 |
commit | bf0b957c05013f33855e67c31a48e61b1e86d356 (patch) | |
tree | 72db2458cb7e5b7572b53527e0755d4fe45e9db0 /src/video_core/engines/draw_manager.cpp | |
parent | Merge pull request #9381 from liamwhite/uninit (diff) | |
download | yuzu-bf0b957c05013f33855e67c31a48e61b1e86d356.tar yuzu-bf0b957c05013f33855e67c31a48e61b1e86d356.tar.gz yuzu-bf0b957c05013f33855e67c31a48e61b1e86d356.tar.bz2 yuzu-bf0b957c05013f33855e67c31a48e61b1e86d356.tar.lz yuzu-bf0b957c05013f33855e67c31a48e61b1e86d356.tar.xz yuzu-bf0b957c05013f33855e67c31a48e61b1e86d356.tar.zst yuzu-bf0b957c05013f33855e67c31a48e61b1e86d356.zip |
Diffstat (limited to 'src/video_core/engines/draw_manager.cpp')
-rw-r--r-- | src/video_core/engines/draw_manager.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/src/video_core/engines/draw_manager.cpp b/src/video_core/engines/draw_manager.cpp new file mode 100644 index 000000000..c59524e58 --- /dev/null +++ b/src/video_core/engines/draw_manager.cpp @@ -0,0 +1,191 @@ +// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "video_core/dirty_flags.h" +#include "video_core/engines/draw_manager.h" +#include "video_core/rasterizer_interface.h" + +namespace Tegra::Engines { +DrawManager::DrawManager(Maxwell3D* maxwell3d_) : maxwell3d(maxwell3d_) {} + +void DrawManager::ProcessMethodCall(u32 method, u32 argument) { + const auto& regs{maxwell3d->regs}; + switch (method) { + case MAXWELL3D_REG_INDEX(clear_surface): + return Clear(1); + case MAXWELL3D_REG_INDEX(draw.begin): + return DrawBegin(); + case MAXWELL3D_REG_INDEX(draw.end): + return DrawEnd(); + case MAXWELL3D_REG_INDEX(vertex_buffer.first): + case MAXWELL3D_REG_INDEX(vertex_buffer.count): + case MAXWELL3D_REG_INDEX(index_buffer.first): + break; + case MAXWELL3D_REG_INDEX(index_buffer.count): + draw_state.draw_indexed = true; + break; + case MAXWELL3D_REG_INDEX(index_buffer32_subsequent): + case MAXWELL3D_REG_INDEX(index_buffer16_subsequent): + case MAXWELL3D_REG_INDEX(index_buffer8_subsequent): + draw_state.instance_count++; + [[fallthrough]]; + case MAXWELL3D_REG_INDEX(index_buffer32_first): + case MAXWELL3D_REG_INDEX(index_buffer16_first): + case MAXWELL3D_REG_INDEX(index_buffer8_first): + return DrawIndexSmall(argument); + case MAXWELL3D_REG_INDEX(draw_inline_index): + SetInlineIndexBuffer(argument); + break; + case MAXWELL3D_REG_INDEX(inline_index_2x16.even): + SetInlineIndexBuffer(regs.inline_index_2x16.even); + SetInlineIndexBuffer(regs.inline_index_2x16.odd); + break; + case MAXWELL3D_REG_INDEX(inline_index_4x8.index0): + SetInlineIndexBuffer(regs.inline_index_4x8.index0); + SetInlineIndexBuffer(regs.inline_index_4x8.index1); + SetInlineIndexBuffer(regs.inline_index_4x8.index2); + SetInlineIndexBuffer(regs.inline_index_4x8.index3); + break; + case MAXWELL3D_REG_INDEX(topology_override): + use_topology_override = true; + break; + default: + break; + } +} + +void DrawManager::Clear(u32 layer_count) { + maxwell3d->rasterizer->Clear(layer_count); +} + +void DrawManager::DrawDeferred() { + if (draw_state.draw_mode != DrawMode::Instance || draw_state.instance_count == 0) + return; + DrawEnd(draw_state.instance_count + 1, true); + draw_state.instance_count = 0; +} + +void DrawManager::DrawArray(PrimitiveTopology topology, u32 vertex_first, u32 vertex_count, + u32 base_instance, u32 num_instances) { + draw_state.topology = topology; + draw_state.vertex_buffer.first = vertex_first; + draw_state.vertex_buffer.count = vertex_count; + draw_state.base_instance = base_instance; + ProcessDraw(false, num_instances); +} + +void DrawManager::DrawIndex(PrimitiveTopology topology, u32 index_first, u32 index_count, + u32 base_index, u32 base_instance, u32 num_instances) { + const auto& regs{maxwell3d->regs}; + draw_state.topology = topology; + draw_state.index_buffer = regs.index_buffer; + draw_state.index_buffer.first = index_first; + draw_state.index_buffer.count = index_count; + draw_state.base_index = base_index; + draw_state.base_instance = base_instance; + ProcessDraw(true, num_instances); +} + +void DrawManager::SetInlineIndexBuffer(u32 index) { + draw_state.inline_index_draw_indexes.push_back(static_cast<u8>(index & 0x000000ff)); + draw_state.inline_index_draw_indexes.push_back(static_cast<u8>((index & 0x0000ff00) >> 8)); + draw_state.inline_index_draw_indexes.push_back(static_cast<u8>((index & 0x00ff0000) >> 16)); + draw_state.inline_index_draw_indexes.push_back(static_cast<u8>((index & 0xff000000) >> 24)); + draw_state.draw_mode = DrawMode::InlineIndex; +} + +void DrawManager::DrawBegin() { + const auto& regs{maxwell3d->regs}; + auto reset_instance_count = regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::First; + auto increment_instance_count = + regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Subsequent; + if (reset_instance_count) { + DrawDeferred(); + draw_state.instance_count = 0; + draw_state.draw_mode = DrawMode::General; + } else if (increment_instance_count) { + draw_state.instance_count++; + draw_state.draw_mode = DrawMode::Instance; + } + + draw_state.topology = regs.draw.topology; +} + +void DrawManager::DrawEnd(u32 instance_count, bool force_draw) { + const auto& regs{maxwell3d->regs}; + switch (draw_state.draw_mode) { + case DrawMode::Instance: + if (!force_draw) + break; + [[fallthrough]]; + case DrawMode::General: + draw_state.base_instance = regs.global_base_instance_index; + draw_state.base_index = regs.global_base_vertex_index; + if (draw_state.draw_indexed) { + draw_state.index_buffer = regs.index_buffer; + ProcessDraw(true, instance_count); + } else { + draw_state.vertex_buffer = regs.vertex_buffer; + ProcessDraw(false, instance_count); + } + draw_state.draw_indexed = false; + break; + case DrawMode::InlineIndex: + draw_state.base_instance = regs.global_base_instance_index; + draw_state.base_index = regs.global_base_vertex_index; + draw_state.index_buffer = regs.index_buffer; + draw_state.index_buffer.count = + static_cast<u32>(draw_state.inline_index_draw_indexes.size() / 4); + draw_state.index_buffer.format = Maxwell3D::Regs::IndexFormat::UnsignedInt; + ProcessDraw(true, instance_count); + draw_state.inline_index_draw_indexes.clear(); + break; + } +} + +void DrawManager::DrawIndexSmall(u32 argument) { + const auto& regs{maxwell3d->regs}; + IndexBufferSmall index_small_params{argument}; + draw_state.base_instance = regs.global_base_instance_index; + draw_state.base_index = regs.global_base_vertex_index; + draw_state.index_buffer = regs.index_buffer; + draw_state.index_buffer.first = index_small_params.first; + draw_state.index_buffer.count = index_small_params.count; + draw_state.topology = index_small_params.topology; + maxwell3d->dirty.flags[VideoCommon::Dirty::IndexBuffer] = true; + ProcessDraw(true, 1); +} + +void DrawManager::ProcessTopologyOverride() { + if (!use_topology_override) + return; + + const auto& regs{maxwell3d->regs}; + switch (regs.topology_override) { + case PrimitiveTopologyOverride::None: + break; + case PrimitiveTopologyOverride::Points: + draw_state.topology = PrimitiveTopology::Points; + break; + case PrimitiveTopologyOverride::Lines: + draw_state.topology = PrimitiveTopology::Lines; + break; + case PrimitiveTopologyOverride::LineStrip: + draw_state.topology = PrimitiveTopology::LineStrip; + break; + default: + draw_state.topology = static_cast<PrimitiveTopology>(regs.topology_override); + break; + } +} + +void DrawManager::ProcessDraw(bool draw_indexed, u32 instance_count) { + LOG_TRACE(HW_GPU, "called, topology={}, count={}", draw_state.topology.Value(), + draw_indexed ? draw_state.index_buffer.count : draw_state.vertex_buffer.count); + + ProcessTopologyOverride(); + + if (maxwell3d->ShouldExecute()) + maxwell3d->rasterizer->Draw(draw_indexed, instance_count); +} +} // namespace Tegra::Engines |