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Maxwell3D: Rework CBData Upload

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This commit is contained in:
Fernando Sahmkow 2019-07-12 09:25:47 -04:00 committed by FernandoS27
parent f2e7b29c14
commit 0d3db58657
2 changed files with 45 additions and 8 deletions
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42
src/video_core/engines/maxwell_3d.cpp
View file

@ -183,6 +183,14 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) {
const u32 method = method_call.method;
if (method == cb_data_state.current) {
regs.reg_array[method] = method_call.argument;
ProcessCBData(method_call.argument);
return;
} else if (cb_data_state.current != null_cb_data) {
FinishCBData();
}
// It is an error to write to a register other than the current macro's ARG register before it
// has finished execution.
if (executing_macro != 0) {
@ -259,7 +267,7 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) {
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[13]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[14]):
case MAXWELL3D_REG_INDEX(const_buffer.cb_data[15]): {
ProcessCBData(method_call.argument);
StartCBData(method);
break;
}
case MAXWELL3D_REG_INDEX(cb_bind[0].raw_config): {
@ -449,21 +457,39 @@ void Maxwell3D::ProcessCBBind(Regs::ShaderStage stage) {
}
void Maxwell3D::ProcessCBData(u32 value) {
const u32 id = cb_data_state.id;
cb_data_state.buff[id][cb_data_state.counter] = value;
// Increment the current buffer position.
regs.const_buffer.cb_pos = regs.const_buffer.cb_pos + 4;
cb_data_state.counter++;
}
void Maxwell3D::StartCBData(u32 method) {
constexpr u32 first_cb_data = MAXWELL3D_REG_INDEX(const_buffer.cb_data[0]);
cb_data_state.start_pos = regs.const_buffer.cb_pos;
cb_data_state.id = method - first_cb_data;
cb_data_state.current = method;
cb_data_state.counter = 0;
ProcessCBData(regs.const_buffer.cb_data[cb_data_state.id]);
}
void Maxwell3D::FinishCBData() {
// Write the input value to the current const buffer at the current position.
const GPUVAddr buffer_address = regs.const_buffer.BufferAddress();
ASSERT(buffer_address != 0);
// Don't allow writing past the end of the buffer.
ASSERT(regs.const_buffer.cb_pos + sizeof(u32) <= regs.const_buffer.cb_size);
ASSERT(regs.const_buffer.cb_pos <= regs.const_buffer.cb_size);
const GPUVAddr address{buffer_address + regs.const_buffer.cb_pos};
const GPUVAddr address{buffer_address + cb_data_state.start_pos};
const std::size_t size = regs.const_buffer.cb_pos - cb_data_state.start_pos;
u8* ptr{memory_manager.GetPointer(address)};
rasterizer.InvalidateRegion(ToCacheAddr(ptr), sizeof(u32));
memory_manager.Write<u32>(address, value);
const u32 id = cb_data_state.id;
memory_manager.WriteBlock(address, cb_data_state.buff[id].data(), size);
dirty.ResetRenderTargets();
// Increment the current buffer position.
regs.const_buffer.cb_pos = regs.const_buffer.cb_pos + 4;
cb_data_state.id = null_cb_data;
cb_data_state.current = null_cb_data;
}
Texture::TICEntry Maxwell3D::GetTICEntry(u32 tic_index) const {

11
src/video_core/engines/maxwell_3d.h
View file

@ -1244,6 +1244,15 @@ private:
Upload::State upload_state;
static constexpr u32 null_cb_data = 0xFFFFFFFF;
struct {
std::array<std::array<u32, 0x4000>, 16> buff;
u32 current{null_cb_data};
u32 id{null_cb_data};
u32 start_pos{};
u32 counter{};
} cb_data_state;
/// Retrieves information about a specific TIC entry from the TIC buffer.
Texture::TICEntry GetTICEntry(u32 tic_index) const;
@ -1275,7 +1284,9 @@ private:
void ProcessSyncPoint();
/// Handles a write to the CB_DATA[i] register.
void StartCBData(u32 method);
void ProcessCBData(u32 value);
void FinishCBData();
/// Handles a write to the CB_BIND register.
void ProcessCBBind(Regs::ShaderStage stage);