Implement Block Linear copies in Kepler Memory.

This commit is contained in:
Fernando Sahmkow 2019-04-15 21:06:04 -04:00 committed by FernandoS27
parent 8a099ac99f
commit bec28d692d
3 changed files with 38 additions and 5 deletions

View file

@ -288,6 +288,27 @@ void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32
}
}
void SwizzleKepler(u32 width, u32 height, u32 dst_x, u32 dst_y, u32 block_height,
std::size_t copy_size, u8* source_data, u8* swizzle_data) {
const u32 image_width_in_gobs{(width + gob_size_x - 1) / gob_size_x};
std::size_t count = 0;
for (u32 y = dst_y; y < height && count < copy_size; ++y) {
const u32 gob_address_y =
(y / (gob_size_y * block_height)) * gob_size * block_height * image_width_in_gobs +
((y % (gob_size_y * block_height)) / gob_size_y) * gob_size;
const auto& table = legacy_swizzle_table[y % gob_size_y];
for (u32 x = dst_x; x < width && count < copy_size; ++x) {
const u32 gob_address = gob_address_y + (x / gob_size_x) * gob_size * block_height;
const u32 swizzled_offset = gob_address + table[x % gob_size_x];
const u8* source_line = source_data + count;
u8* dest_addr = swizzle_data + swizzled_offset;
count++;
std::memcpy(dest_addr, source_line, 1);
}
}
}
std::vector<u8> DecodeTexture(const std::vector<u8>& texture_data, TextureFormat format, u32 width,
u32 height) {
std::vector<u8> rgba_data;