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-rw-r--r--src/video_core/engines/maxwell_3d.cpp42
-rw-r--r--src/video_core/engines/maxwell_3d.h11
2 files changed, 45 insertions, 8 deletions
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index a55915fd3..7d3a550f8 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -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 {
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index 84e6ca145..318078f36 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -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);