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Remove memory allocations in some hot paths

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This commit is contained in:
Kelebek1
2023-05-23 14:45:54 +01:00
parent e3122c5b46
commit 5da70f7197
84 changed files with 501 additions and 458 deletions
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35
src/video_core/engines/maxwell_dma.cpp
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@ -108,9 +108,11 @@ 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);
read_buffer.resize_destructive(regs.line_length_in * sizeof(u32));
std::span<u32> span(reinterpret_cast<u32*>(read_buffer.data()), regs.line_length_in);
std::ranges::fill(span, regs.remap_consta_value);
memory_manager.WriteBlockUnsafe(regs.offset_out,
reinterpret_cast<u8*>(tmp_buffer.data()),
reinterpret_cast<u8*>(read_buffer.data()),
regs.line_length_in * sizeof(u32));
} else {
memory_manager.FlushCaching();
@ -126,32 +128,32 @@ 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);
read_buffer.resize_destructive(16);
for (u32 offset = 0; offset < regs.line_length_in; offset += 16) {
memory_manager.ReadBlockUnsafe(
convert_linear_2_blocklinear_addr(regs.offset_in + offset),
tmp_buffer.data(), tmp_buffer.size());
memory_manager.WriteBlockCached(regs.offset_out + offset, tmp_buffer.data(),
tmp_buffer.size());
read_buffer.data(), read_buffer.size());
memory_manager.WriteBlockCached(regs.offset_out + offset, read_buffer.data(),
read_buffer.size());
}
} else if (is_src_pitch && !is_dst_pitch) {
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);
read_buffer.resize_destructive(16);
for (u32 offset = 0; offset < regs.line_length_in; offset += 16) {
memory_manager.ReadBlockUnsafe(regs.offset_in + offset, tmp_buffer.data(),
tmp_buffer.size());
memory_manager.ReadBlockUnsafe(regs.offset_in + offset, read_buffer.data(),
read_buffer.size());
memory_manager.WriteBlockCached(
convert_linear_2_blocklinear_addr(regs.offset_out + offset),
tmp_buffer.data(), tmp_buffer.size());
read_buffer.data(), read_buffer.size());
}
} 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);
}
}
@ -171,7 +173,8 @@ void MaxwellDMA::CopyBlockLinearToPitch() {
src_operand.address = regs.offset_in;
DMA::BufferOperand dst_operand;
dst_operand.pitch = regs.pitch_out;
u32 abs_pitch_out = std::abs(static_cast<s32>(regs.pitch_out));
dst_operand.pitch = abs_pitch_out;
dst_operand.width = regs.line_length_in;
dst_operand.height = regs.line_count;
dst_operand.address = regs.offset_out;
@ -218,7 +221,7 @@ void MaxwellDMA::CopyBlockLinearToPitch() {
const size_t src_size =
CalculateSize(true, bytes_per_pixel, width, height, depth, block_height, block_depth);
const size_t dst_size = static_cast<size_t>(regs.pitch_out) * regs.line_count;
const size_t dst_size = static_cast<size_t>(abs_pitch_out) * regs.line_count;
read_buffer.resize_destructive(src_size);
write_buffer.resize_destructive(dst_size);
@ -227,7 +230,7 @@ void MaxwellDMA::CopyBlockLinearToPitch() {
UnswizzleSubrect(write_buffer, read_buffer, bytes_per_pixel, width, height, depth, x_offset,
src_params.origin.y, x_elements, regs.line_count, block_height, block_depth,
regs.pitch_out);
abs_pitch_out);
memory_manager.WriteBlockCached(regs.offset_out, write_buffer.data(), dst_size);
}