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Remove memory allocations from maxwell_dma's LaunchDMA

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This commit is contained in:
Kelebek1
2023-01-07 01:36:26 +00:00
parent c0f17e1b27
commit 4d8b2adee8
1 changed files with 9 additions and 8 deletions
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src/video_core/engines/maxwell_dma.cpp
+9 -8
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@@ -99,9 +99,10 @@ void MaxwellDMA::Launch() {
if (regs.launch_dma.remap_enable != 0 && is_const_a_dst) {
ASSERT(regs.remap_const.component_size_minus_one == 3);
accelerate.BufferClear(regs.offset_out, regs.line_length_in, regs.remap_consta_value);
std::vector<u32> tmp_buffer(regs.line_length_in, regs.remap_consta_value);
memory_manager.WriteBlockUnsafe(regs.offset_out,
reinterpret_cast<u8*>(tmp_buffer.data()),
read_buffer.resize_destructive(regs.line_length_in * sizeof(u32));
std::fill(reinterpret_cast<u32*>(read_buffer.begin()),
reinterpret_cast<u32*>(read_buffer.end()), regs.remap_consta_value);
memory_manager.WriteBlockUnsafe(regs.offset_out, read_buffer.data(),
regs.line_length_in * sizeof(u32));
} else {
memory_manager.FlushCaching();
@@ -117,7 +118,7 @@ void MaxwellDMA::Launch() {
UNIMPLEMENTED_IF(regs.line_length_in % 16 != 0);
UNIMPLEMENTED_IF(regs.offset_in % 16 != 0);
UNIMPLEMENTED_IF(regs.offset_out % 16 != 0);
std::vector<u8> tmp_buffer(16);
std::array<u8, 16> tmp_buffer;
for (u32 offset = 0; offset < regs.line_length_in; offset += 16) {
memory_manager.ReadBlockUnsafe(
convert_linear_2_blocklinear_addr(regs.offset_in + offset),
@@ -129,7 +130,7 @@ void MaxwellDMA::Launch() {
UNIMPLEMENTED_IF(regs.line_length_in % 16 != 0);
UNIMPLEMENTED_IF(regs.offset_in % 16 != 0);
UNIMPLEMENTED_IF(regs.offset_out % 16 != 0);
std::vector<u8> tmp_buffer(16);
std::array<u8, 16> tmp_buffer;
for (u32 offset = 0; offset < regs.line_length_in; offset += 16) {
memory_manager.ReadBlockUnsafe(regs.offset_in + offset, tmp_buffer.data(),
tmp_buffer.size());
@@ -139,10 +140,10 @@ void MaxwellDMA::Launch() {
}
} else {
if (!accelerate.BufferCopy(regs.offset_in, regs.offset_out, regs.line_length_in)) {
std::vector<u8> tmp_buffer(regs.line_length_in);
memory_manager.ReadBlockUnsafe(regs.offset_in, tmp_buffer.data(),
read_buffer.resize_destructive(regs.line_length_in);
memory_manager.ReadBlockUnsafe(regs.offset_in, read_buffer.data(),
regs.line_length_in);
memory_manager.WriteBlockCached(regs.offset_out, tmp_buffer.data(),
memory_manager.WriteBlockCached(regs.offset_out, read_buffer.data(),
regs.line_length_in);
}
}