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authorFernando S <fsahmkow27@gmail.com>2022-03-16 12:14:08 +0100
committerGitHub <noreply@github.com>2022-03-16 12:14:08 +0100
commitc3c351e2c2e4f7fb3b4f822828709c30cadaada4 (patch)
tree9a95ec28436a0cb962982427ba9cab4da1f6ff66 /src/video_core/engines/maxwell_3d.cpp
parentMerge pull request #8026 from lat9nq/ext-mem-ini (diff)
parentmaxwell_3d: Implement a safer CB data upload (diff)
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Diffstat (limited to 'src/video_core/engines/maxwell_3d.cpp')
-rw-r--r--src/video_core/engines/maxwell_3d.cpp67
1 files changed, 11 insertions, 56 deletions
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index 8f2fd28c2..54a902f56 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -196,7 +196,7 @@ void Maxwell3D::ProcessMethodCall(u32 method, u32 argument, u32 nonshadow_argume
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:
- return StartCBData(method);
+ return ProcessCBData(argument);
case MAXWELL3D_REG_INDEX(cb_bind[0]):
return ProcessCBBind(0);
case MAXWELL3D_REG_INDEX(cb_bind[1]):
@@ -257,14 +257,6 @@ void Maxwell3D::CallMacroMethod(u32 method, const std::vector<u32>& parameters)
}
void Maxwell3D::CallMethod(u32 method, u32 method_argument, bool is_last_call) {
- if (method == cb_data_state.current) {
- regs.reg_array[method] = method_argument;
- ProcessCBData(method_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) {
@@ -311,7 +303,7 @@ void Maxwell3D::CallMultiMethod(u32 method, const u32* base_start, u32 amount,
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:
- ProcessCBMultiData(method, base_start, amount);
+ ProcessCBMultiData(base_start, amount);
break;
default:
for (std::size_t i = 0; i < amount; i++) {
@@ -629,46 +621,7 @@ void Maxwell3D::ProcessCBBind(size_t stage_index) {
rasterizer->BindGraphicsUniformBuffer(stage_index, bind_data.index, gpu_addr, size);
}
-void Maxwell3D::ProcessCBData(u32 value) {
- const u32 id = cb_data_state.id;
- cb_data_state.buffer[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);
- 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::ProcessCBMultiData(u32 method, const u32* start_base, u32 amount) {
- if (cb_data_state.current != method) {
- if (cb_data_state.current != null_cb_data) {
- FinishCBData();
- }
- constexpr u32 first_cb_data = MAXWELL3D_REG_INDEX(const_buffer.cb_data);
- 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;
- }
- const std::size_t id = cb_data_state.id;
- const std::size_t size = amount;
- std::size_t i = 0;
- for (; i < size; i++) {
- cb_data_state.buffer[id][cb_data_state.counter] = start_base[i];
- cb_data_state.counter++;
- }
- // Increment the current buffer position.
- regs.const_buffer.cb_pos = regs.const_buffer.cb_pos + 4 * amount;
-}
-
-void Maxwell3D::FinishCBData() {
+void Maxwell3D::ProcessCBMultiData(const u32* start_base, u32 amount) {
// 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);
@@ -676,14 +629,16 @@ void Maxwell3D::FinishCBData() {
// Don't allow writing past the end of the buffer.
ASSERT(regs.const_buffer.cb_pos <= regs.const_buffer.cb_size);
- 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;
+ const GPUVAddr address{buffer_address + regs.const_buffer.cb_pos};
+ const size_t copy_size = amount * sizeof(u32);
+ memory_manager.WriteBlock(address, start_base, copy_size);
- const u32 id = cb_data_state.id;
- memory_manager.WriteBlock(address, cb_data_state.buffer[id].data(), size);
+ // Increment the current buffer position.
+ regs.const_buffer.cb_pos += static_cast<u32>(copy_size);
+}
- cb_data_state.id = null_cb_data;
- cb_data_state.current = null_cb_data;
+void Maxwell3D::ProcessCBData(u32 value) {
+ ProcessCBMultiData(&value, 1);
}
Texture::TICEntry Maxwell3D::GetTICEntry(u32 tic_index) const {