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Code Issues Releases Wiki Activity

video_core: Fix drawing trigger mechanism regression

merge-requests/60/head
FengChen 2022-10-27 13:21:47 +07:00
parent 2dd6a2352d
commit f6e7cae62c
2 changed files with 76 additions and 67 deletions
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141
src/video_core/engines/maxwell_3d.cpp
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@ -123,9 +123,6 @@ void Maxwell3D::InitializeRegisterDefaults() {
draw_command[MAXWELL3D_REG_INDEX(vertex_buffer.count)] = true;
draw_command[MAXWELL3D_REG_INDEX(index_buffer.first)] = true;
draw_command[MAXWELL3D_REG_INDEX(index_buffer.count)] = true;
draw_command[MAXWELL3D_REG_INDEX(index_buffer32_first)] = true;
draw_command[MAXWELL3D_REG_INDEX(index_buffer16_first)] = true;
draw_command[MAXWELL3D_REG_INDEX(index_buffer8_first)] = true;
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;
@ -216,6 +213,21 @@ void Maxwell3D::ProcessMethodCall(u32 method, u32 argument, u32 nonshadow_argume
return ProcessCBBind(3);
case MAXWELL3D_REG_INDEX(bind_groups[4].raw_config):
return ProcessCBBind(4);
case MAXWELL3D_REG_INDEX(index_buffer32_first):
regs.index_buffer.count = regs.index_buffer32_first.count;
regs.index_buffer.first = regs.index_buffer32_first.first;
dirty.flags[VideoCommon::Dirty::IndexBuffer] = 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;
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;
return ProcessDraw();
case MAXWELL3D_REG_INDEX(topology_override):
use_topology_override = true;
return;
@ -583,70 +595,7 @@ void Maxwell3D::ProcessClearBuffers() {
rasterizer->Clear();
}
void Maxwell3D::ProcessDeferredDraw() {
if (deferred_draw_method.empty()) {
return;
}
enum class DrawMode {
Undefined,
General,
Instance,
};
DrawMode draw_mode{DrawMode::Undefined};
u32 instance_count = 1;
auto first_method = deferred_draw_method[0];
if (MAXWELL3D_REG_INDEX(draw.begin) == first_method) {
// The minimum number of methods for drawing must be greater than or equal to
// 3[draw.begin->vertex(index)count->draw.end] to avoid errors in index mode drawing
if (deferred_draw_method.size() < 3) {
return;
}
draw_mode = (regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Subsequent) ||
(regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Unchanged)
? DrawMode::Instance
: DrawMode::General;
} else if (MAXWELL3D_REG_INDEX(index_buffer32_first) == first_method ||
MAXWELL3D_REG_INDEX(index_buffer16_first) == first_method ||
MAXWELL3D_REG_INDEX(index_buffer8_first) == first_method) {
draw_mode = DrawMode::General;
}
// Drawing will only begin with draw.begin or index_buffer method, other methods directly
// clear
if (draw_mode == DrawMode::Undefined) {
deferred_draw_method.clear();
return;
}
if (draw_mode == DrawMode::Instance) {
ASSERT_MSG(deferred_draw_method.size() % 4 == 0, "Instance mode method size error");
instance_count = static_cast<u32>(deferred_draw_method.size()) / 4;
} else {
if (MAXWELL3D_REG_INDEX(index_buffer32_first) == first_method) {
regs.index_buffer.count = regs.index_buffer32_first.count;
regs.index_buffer.first = regs.index_buffer32_first.first;
dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
} else if (MAXWELL3D_REG_INDEX(index_buffer32_first) == first_method) {
regs.index_buffer.count = regs.index_buffer16_first.count;
regs.index_buffer.first = regs.index_buffer16_first.first;
dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
} else if (MAXWELL3D_REG_INDEX(index_buffer32_first) == first_method) {
regs.index_buffer.count = regs.index_buffer8_first.count;
regs.index_buffer.first = regs.index_buffer8_first.first;
dirty.flags[VideoCommon::Dirty::IndexBuffer] = true;
} else {
auto second_method = deferred_draw_method[1];
if (MAXWELL3D_REG_INDEX(draw_inline_index) == second_method ||
MAXWELL3D_REG_INDEX(inline_index_2x16.even) == second_method ||
MAXWELL3D_REG_INDEX(inline_index_4x8.index0) == second_method) {
regs.index_buffer.count = static_cast<u32>(inline_index_draw_indexes.size() / 4);
regs.index_buffer.format = Regs::IndexFormat::UnsignedInt;
}
}
}
void Maxwell3D::ProcessDraw(u32 instance_count) {
LOG_TRACE(HW_GPU, "called, topology={}, count={}", regs.draw.topology.Value(),
regs.vertex_buffer.count);
@ -669,6 +618,64 @@ void Maxwell3D::ProcessDeferredDraw() {
} else {
regs.vertex_buffer.count = 0;
}
}
void Maxwell3D::ProcessDeferredDraw() {
if (deferred_draw_method.empty()) {
return;
}
enum class DrawMode {
Undefined,
General,
Instance,
};
DrawMode draw_mode{DrawMode::Undefined};
u32 instance_count = 1;
u32 index = 0;
u32 method = 0;
u32 method_count = static_cast<u32>(deferred_draw_method.size());
for (; index < method_count &&
(method = deferred_draw_method[index]) != MAXWELL3D_REG_INDEX(draw.begin);
++index)
;
if (MAXWELL3D_REG_INDEX(draw.begin) != method) {
return;
}
// The minimum number of methods for drawing must be greater than or equal to
// 3[draw.begin->vertex(index)count(first)->draw.end] to avoid errors in index mode drawing
if ((method_count - index) < 3) {
return;
}
draw_mode = (regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Subsequent) ||
(regs.draw.instance_id == Maxwell3D::Regs::Draw::InstanceId::Unchanged)
? DrawMode::Instance
: DrawMode::General;
// Drawing will only begin with draw.begin or index_buffer method, other methods directly
// clear
if (draw_mode == DrawMode::Undefined) {
deferred_draw_method.clear();
return;
}
if (draw_mode == DrawMode::Instance) {
ASSERT_MSG(deferred_draw_method.size() % 4 == 0, "Instance mode method size error");
instance_count = static_cast<u32>(method_count - index) / 4;
} else {
method = deferred_draw_method[index + 1];
if (MAXWELL3D_REG_INDEX(draw_inline_index) == method ||
MAXWELL3D_REG_INDEX(inline_index_2x16.even) == method ||
MAXWELL3D_REG_INDEX(inline_index_4x8.index0) == method) {
regs.index_buffer.count = static_cast<u32>(inline_index_draw_indexes.size() / 4);
regs.index_buffer.format = Regs::IndexFormat::UnsignedInt;
}
}
ProcessDraw(instance_count);
deferred_draw_method.clear();
inline_index_draw_indexes.clear();

2
src/video_core/engines/maxwell_3d.h
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@ -3143,6 +3143,8 @@ private:
/// Handles use of topology overrides (e.g., to avoid using a topology assigned from a macro)
void ProcessTopologyOverride();
void ProcessDraw(u32 instance_count = 1);
void ProcessDeferredDraw();
/// Returns a query's value or an empty object if the value will be deferred through a cache.