SwBlitter: Fix Pitch linear reading/writting
This commit is contained in:
parent
7cc7d027f7
commit
5cb9fe7819
|
@ -111,6 +111,20 @@ void Bilinear(std::span<const f32> input, std::span<f32> output, size_t src_widt
|
|||
}
|
||||
}
|
||||
|
||||
template <bool unpack>
|
||||
void ProcessPitchLinear(std::span<const u8> input, std::span<u8> output, size_t extent_x,
|
||||
size_t extent_y, u32 pitch, u32 x0, u32 y0, size_t bpp) {
|
||||
const size_t base_offset = x0 * bpp;
|
||||
const size_t copy_size = extent_x * bpp;
|
||||
for (size_t y = 0; y < extent_y; y++) {
|
||||
const size_t first_offset = (y + y0) * pitch + base_offset;
|
||||
const size_t second_offset = y * extent_x * bpp;
|
||||
u8* write_to = unpack ? &output[first_offset] : &output[second_offset];
|
||||
const u8* read_from = unpack ? &input[second_offset] : &input[first_offset];
|
||||
std::memcpy(write_to, read_from, copy_size);
|
||||
}
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
struct SoftwareBlitEngine::BlitEngineImpl {
|
||||
|
@ -138,19 +152,6 @@ bool SoftwareBlitEngine::Blit(Fermi2D::Surface& src, Fermi2D::Surface& dst,
|
|||
}
|
||||
return static_cast<size_t>(surface.pitch * surface.height);
|
||||
};
|
||||
const auto process_pitch_linear = [](bool unpack, std::span<const u8> input,
|
||||
std::span<u8> output, u32 extent_x, u32 extent_y,
|
||||
u32 pitch, u32 x0, u32 y0, size_t bpp) {
|
||||
const size_t base_offset = x0 * bpp;
|
||||
const size_t copy_size = extent_x * bpp;
|
||||
for (u32 y = y0; y < extent_y; y++) {
|
||||
const size_t first_offset = y * pitch + base_offset;
|
||||
const size_t second_offset = y * extent_x * bpp;
|
||||
u8* write_to = unpack ? &output[first_offset] : &output[second_offset];
|
||||
const u8* read_from = unpack ? &input[second_offset] : &input[first_offset];
|
||||
std::memcpy(write_to, read_from, copy_size);
|
||||
}
|
||||
};
|
||||
|
||||
const u32 src_extent_x = config.src_x1 - config.src_x0;
|
||||
const u32 src_extent_y = config.src_y1 - config.src_y0;
|
||||
|
@ -205,8 +206,8 @@ bool SoftwareBlitEngine::Blit(Fermi2D::Surface& src, Fermi2D::Surface& dst,
|
|||
src.depth, config.src_x0, config.src_y0, src_extent_x, src_extent_y,
|
||||
src.block_height, src.block_depth, src_extent_x * src_bytes_per_pixel);
|
||||
} else {
|
||||
process_pitch_linear(false, tmp_buffer, impl->src_buffer, src_extent_x, src_extent_y,
|
||||
src.pitch, config.src_x0, config.src_y0, src_bytes_per_pixel);
|
||||
ProcessPitchLinear<false>(tmp_buffer, impl->src_buffer, src_extent_x, src_extent_y,
|
||||
src.pitch, config.src_x0, config.src_y0, src_bytes_per_pixel);
|
||||
}
|
||||
|
||||
// Conversion Phase
|
||||
|
@ -229,9 +230,9 @@ bool SoftwareBlitEngine::Blit(Fermi2D::Surface& src, Fermi2D::Surface& dst,
|
|||
dst.depth, config.dst_x0, config.dst_y0, dst_extent_x, dst_extent_y,
|
||||
dst.block_height, dst.block_depth, dst_extent_x * dst_bytes_per_pixel);
|
||||
} else {
|
||||
process_pitch_linear(true, impl->dst_buffer, tmp_buffer2, dst_extent_x, dst_extent_y,
|
||||
dst.pitch, config.dst_x0, config.dst_y0,
|
||||
static_cast<size_t>(dst_bytes_per_pixel));
|
||||
ProcessPitchLinear<true>(impl->dst_buffer, tmp_buffer2, dst_extent_x, dst_extent_y,
|
||||
dst.pitch, config.dst_x0, config.dst_y0,
|
||||
static_cast<size_t>(dst_bytes_per_pixel));
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
|
Reference in New Issue