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scratch_buffer: Explicitly defing resize and resize_destructive functions

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resize keeps previous data intact when the buffer grows
resize_destructive destroys the previous data when the buffer grows
This commit is contained in:
ameerj
2022-12-19 22:40:50 -05:00
parent 64869807e2
commit c6590ad07b
7 changed files with 108 additions and 19 deletions
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18
src/video_core/engines/maxwell_dma.cpp
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@ -184,8 +184,8 @@ void MaxwellDMA::CopyBlockLinearToPitch() {
const size_t src_size =
CalculateSize(true, bytes_per_pixel, width, height, depth, block_height, block_depth);
read_buffer.resize(src_size);
write_buffer.resize(dst_size);
read_buffer.resize_destructive(src_size);
write_buffer.resize_destructive(dst_size);
memory_manager.ReadBlock(regs.offset_in, read_buffer.data(), src_size);
memory_manager.ReadBlock(regs.offset_out, write_buffer.data(), dst_size);
@ -231,8 +231,8 @@ void MaxwellDMA::CopyPitchToBlockLinear() {
CalculateSize(true, bytes_per_pixel, width, height, depth, block_height, block_depth);
const size_t src_size = static_cast<size_t>(regs.pitch_in) * regs.line_count;
read_buffer.resize(src_size);
write_buffer.resize(dst_size);
read_buffer.resize_destructive(src_size);
write_buffer.resize_destructive(dst_size);
memory_manager.ReadBlock(regs.offset_in, read_buffer.data(), src_size);
if (Settings::IsGPULevelExtreme()) {
@ -261,8 +261,8 @@ void MaxwellDMA::FastCopyBlockLinearToPitch() {
pos_x = pos_x % x_in_gob;
pos_y = pos_y % 8;
read_buffer.resize(src_size);
write_buffer.resize(dst_size);
read_buffer.resize_destructive(src_size);
write_buffer.resize_destructive(dst_size);
if (Settings::IsGPULevelExtreme()) {
memory_manager.ReadBlock(regs.offset_in + offset, read_buffer.data(), src_size);
@ -321,10 +321,10 @@ void MaxwellDMA::CopyBlockLinearToBlockLinear() {
const u32 pitch = x_elements * bytes_per_pixel;
const size_t mid_buffer_size = pitch * regs.line_count;
read_buffer.resize(src_size);
write_buffer.resize(dst_size);
read_buffer.resize_destructive(src_size);
write_buffer.resize_destructive(dst_size);
intermediate_buffer.resize(mid_buffer_size);
intermediate_buffer.resize_destructive(mid_buffer_size);
memory_manager.ReadBlock(regs.offset_in, read_buffer.data(), src_size);
memory_manager.ReadBlock(regs.offset_out, write_buffer.data(), dst_size);