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video_core: Fine tuning the index drawing judgment logic

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This commit is contained in:
Feng Chen 2022-11-29 15:04:47 +08:00
parent 6b64557ad6
commit cb5400b34d
2 changed files with 22 additions and 27 deletions
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48
src/video_core/engines/maxwell_3d.cpp
View file

@ -126,7 +126,6 @@ void Maxwell3D::InitializeRegisterDefaults() {
draw_command[MAXWELL3D_REG_INDEX(draw_inline_index)] = true;
draw_command[MAXWELL3D_REG_INDEX(inline_index_2x16.even)] = true;
draw_command[MAXWELL3D_REG_INDEX(inline_index_4x8.index0)] = true;
draw_command[MAXWELL3D_REG_INDEX(draw.instance_id)] = true;
}
void Maxwell3D::ProcessMacro(u32 method, const u32* base_start, u32 amount, bool is_last_call) {
@ -218,16 +217,19 @@ void Maxwell3D::ProcessMethodCall(u32 method, u32 argument, u32 nonshadow_argume
regs.index_buffer.count = regs.index_buffer32_first.count;
regs.index_buffer.first = regs.index_buffer32_first.first;
dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
draw_indexed = true;
return ProcessDraw();
case MAXWELL3D_REG_INDEX(index_buffer16_first):
regs.index_buffer.count = regs.index_buffer16_first.count;
regs.index_buffer.first = regs.index_buffer16_first.first;
dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
draw_indexed = true;
return ProcessDraw();
case MAXWELL3D_REG_INDEX(index_buffer8_first):
regs.index_buffer.count = regs.index_buffer8_first.count;
regs.index_buffer.first = regs.index_buffer8_first.first;
dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
draw_indexed = true;
return ProcessDraw();
case MAXWELL3D_REG_INDEX(topology_override):
use_topology_override = true;
@ -300,21 +302,33 @@ void Maxwell3D::CallMethod(u32 method, u32 method_argument, bool is_last_call) {
draw_mode = DrawMode::InlineIndex;
};
switch (method) {
case MAXWELL3D_REG_INDEX(draw.begin): {
draw_mode =
(regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Subsequent) ||
(regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Unchanged)
? DrawMode::Instance
: DrawMode::General;
break;
}
case MAXWELL3D_REG_INDEX(draw.end):
switch (draw_mode) {
case DrawMode::General:
ProcessDraw(1);
ProcessDraw();
break;
case DrawMode::InlineIndex:
regs.index_buffer.count = static_cast<u32>(inline_index_draw_indexes.size() / 4);
regs.index_buffer.format = Regs::IndexFormat::UnsignedInt;
ProcessDraw(1);
draw_indexed = true;
ProcessDraw();
inline_index_draw_indexes.clear();
break;
case DrawMode::Instance:
break;
}
break;
case MAXWELL3D_REG_INDEX(index_buffer.count):
draw_indexed = true;
break;
case MAXWELL3D_REG_INDEX(draw_inline_index):
update_inline_index(method_argument);
break;
@ -328,13 +342,6 @@ void Maxwell3D::CallMethod(u32 method, u32 method_argument, bool is_last_call) {
update_inline_index(regs.inline_index_4x8.index2);
update_inline_index(regs.inline_index_4x8.index3);
break;
case MAXWELL3D_REG_INDEX(draw.instance_id):
draw_mode =
(regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Subsequent) ||
(regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Unchanged)
? DrawMode::Instance
: DrawMode::General;
break;
}
} else {
ProcessDeferredDraw();
@ -624,27 +631,16 @@ void Maxwell3D::ProcessClearBuffers(u32 layer_count) {
void Maxwell3D::ProcessDraw(u32 instance_count) {
LOG_TRACE(HW_GPU, "called, topology={}, count={}", regs.draw.topology.Value(),
regs.vertex_buffer.count);
ASSERT_MSG(!(regs.index_buffer.count && regs.vertex_buffer.count), "Both indexed and direct?");
// Both instance configuration registers can not be set at the same time.
ASSERT_MSG(regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::First ||
regs.draw.instance_id != Maxwell3D::Regs::Draw::InstanceId::Unchanged,
"Illegal combination of instancing parameters");
draw_indexed ? regs.index_buffer.count : regs.vertex_buffer.count);
ProcessTopologyOverride();
const bool is_indexed = regs.index_buffer.count && !regs.vertex_buffer.count;
if (ShouldExecute()) {
rasterizer->Draw(is_indexed, instance_count);
rasterizer->Draw(draw_indexed, instance_count);
}
if (is_indexed) {
regs.index_buffer.count = 0;
} else {
regs.vertex_buffer.count = 0;
}
draw_indexed = false;
deferred_draw_method.clear();
}
void Maxwell3D::ProcessDeferredDraw() {
@ -667,8 +663,6 @@ void Maxwell3D::ProcessDeferredDraw() {
ASSERT_MSG(!(vertex_buffer_count && index_buffer_count), "Instance both indexed and direct?");
ProcessDraw(instance_count);
deferred_draw_method.clear();
}
} // namespace Tegra::Engines

1
src/video_core/engines/maxwell_3d.h
View file

@ -3182,6 +3182,7 @@ private:
std::vector<u32> deferred_draw_method;
enum class DrawMode : u32 { General = 0, Instance, InlineIndex };
DrawMode draw_mode{DrawMode::General};
bool draw_indexed{};
};
#define ASSERT_REG_POSITION(field_name, position) \