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maxwell_3d: Slow implementation of passed samples (query 21)

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Implements GL_SAMPLES_PASSED by waiting immediately for queries.
This commit is contained in:
ReinUsesLisp 2019-07-27 19:40:10 -03:00
parent 3217400dd1
commit 2b58652f08
8 changed files with 201 additions and 17 deletions
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39
src/video_core/engines/maxwell_3d.cpp
View file

@ -400,6 +400,10 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) {
ProcessQueryCondition();
break;
}
case MAXWELL3D_REG_INDEX(counter_reset): {
ProcessCounterReset();
break;
}
case MAXWELL3D_REG_INDEX(sync_info): {
ProcessSyncPoint();
break;
@ -544,23 +548,23 @@ void Maxwell3D::ProcessQueryGet() {
"Units other than CROP are unimplemented");
switch (regs.query.query_get.operation) {
case Regs::QueryOperation::Release: {
const u64 result = regs.query.query_sequence;
StampQueryResult(result, regs.query.query_get.short_query == 0);
case Regs::QueryOperation::Release:
StampQueryResult(regs.query.query_sequence, regs.query.query_get.short_query == 0);
break;
}
case Regs::QueryOperation::Acquire: {
// Todo(Blinkhawk): Under this operation, the GPU waits for the CPU
// to write a value that matches the current payload.
case Regs::QueryOperation::Acquire:
// TODO(Blinkhawk): Under this operation, the GPU waits for the CPU to write a value that
// matches the current payload.
UNIMPLEMENTED_MSG("Unimplemented query operation ACQUIRE");
break;
}
case Regs::QueryOperation::Counter: {
u64 result{};
u64 result;
switch (regs.query.query_get.select) {
case Regs::QuerySelect::Zero:
result = 0;
break;
case Regs::QuerySelect::SamplesPassed:
result = rasterizer.Query(VideoCore::QueryType::SamplesPassed);
break;
default:
result = 1;
UNIMPLEMENTED_MSG("Unimplemented query select type {}",
@ -569,15 +573,13 @@ void Maxwell3D::ProcessQueryGet() {
StampQueryResult(result, regs.query.query_get.short_query == 0);
break;
}
case Regs::QueryOperation::Trap: {
case Regs::QueryOperation::Trap:
UNIMPLEMENTED_MSG("Unimplemented query operation TRAP");
break;
}
default: {
default:
UNIMPLEMENTED_MSG("Unknown query operation");
break;
}
}
}
void Maxwell3D::ProcessQueryCondition() {
@ -619,6 +621,17 @@ void Maxwell3D::ProcessQueryCondition() {
}
}
void Maxwell3D::ProcessCounterReset() {
switch (regs.counter_reset) {
case Regs::CounterReset::SampleCnt:
rasterizer.ResetCounter(VideoCore::QueryType::SamplesPassed);
break;
default:
UNIMPLEMENTED_MSG("counter_reset={}", static_cast<u32>(regs.counter_reset));
break;
}
}
void Maxwell3D::ProcessSyncPoint() {
const u32 sync_point = regs.sync_info.sync_point.Value();
const u32 increment = regs.sync_info.increment.Value();

38
src/video_core/engines/maxwell_3d.h
View file

@ -409,6 +409,27 @@ public:
Linear = 1,
};
enum class CounterReset : u32 {
SampleCnt = 0x01,
Unk02 = 0x02,
Unk03 = 0x03,
Unk04 = 0x04,
EmittedPrimitives = 0x10, // Not tested
Unk11 = 0x11,
Unk12 = 0x12,
Unk13 = 0x13,
Unk15 = 0x15,
Unk16 = 0x16,
Unk17 = 0x17,
Unk18 = 0x18,
Unk1A = 0x1A,
Unk1B = 0x1B,
Unk1C = 0x1C,
Unk1D = 0x1D,
Unk1E = 0x1E,
GeneratedPrimitives = 0x1F,
};
struct Cull {
enum class FrontFace : u32 {
ClockWise = 0x0900,
@ -857,7 +878,7 @@ public:
BitField<7, 1, u32> c7;
} clip_distance_enabled;
INSERT_UNION_PADDING_WORDS(0x1);
u32 samplecnt_enable;
float point_size;
@ -865,7 +886,11 @@ public:
u32 point_sprite_enable;
INSERT_UNION_PADDING_WORDS(0x5);
INSERT_UNION_PADDING_WORDS(0x3);
CounterReset counter_reset;
INSERT_UNION_PADDING_WORDS(0x1);
u32 zeta_enable;
@ -1412,12 +1437,15 @@ private:
/// Handles a write to the QUERY_GET register.
void ProcessQueryGet();
// Writes the query result accordingly
/// Writes the query result accordingly.
void StampQueryResult(u64 payload, bool long_query);
// Handles Conditional Rendering
/// Handles conditional rendering.
void ProcessQueryCondition();
/// Handles counter resets.
void ProcessCounterReset();
/// Handles writes to syncing register.
void ProcessSyncPoint();
@ -1499,8 +1527,10 @@ ASSERT_REG_POSITION(screen_y_control, 0x4EB);
ASSERT_REG_POSITION(vb_element_base, 0x50D);
ASSERT_REG_POSITION(vb_base_instance, 0x50E);
ASSERT_REG_POSITION(clip_distance_enabled, 0x544);
ASSERT_REG_POSITION(samplecnt_enable, 0x545);
ASSERT_REG_POSITION(point_size, 0x546);
ASSERT_REG_POSITION(point_sprite_enable, 0x548);
ASSERT_REG_POSITION(counter_reset, 0x54C);
ASSERT_REG_POSITION(zeta_enable, 0x54E);
ASSERT_REG_POSITION(multisample_control, 0x54F);
ASSERT_REG_POSITION(condition, 0x554);