Mirrors/yuzu
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Remove old Swizzle algorithms and use 3d Swizzle

Browse source
This commit is contained in:
FernandoS27 2018-10-11 17:08:48 -04:00
parent 4d959c6bdc
commit d4ae43f9c1
1 changed files with 69 additions and 93 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

160
src/video_core/textures/decoders.cpp
View file

@ -40,97 +40,56 @@ struct alignas(64) SwizzleTable {
constexpr auto legacy_swizzle_table = SwizzleTable<8, 64, 1>(); constexpr auto legacy_swizzle_table = SwizzleTable<8, 64, 1>();
constexpr auto fast_swizzle_table = SwizzleTable<8, 4, 16>(); constexpr auto fast_swizzle_table = SwizzleTable<8, 4, 16>();
static void LegacySwizzleData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_per_pixel, /**
u8* swizzled_data, u8* unswizzled_data, bool unswizzle, * This function manages ALL the GOBs(Group of Bytes) Inside a single block.
u32 block_height) { * Instead of going gob by gob, we map the coordinates inside a block and manage from
std::array<u8*, 2> data_ptrs; * those. Block_Width is assumed to be 1.
const std::size_t stride = width * bytes_per_pixel; */
const std::size_t gobs_in_x = 64; void Precise3DProcessBlock(u8* swizzled_data, u8* unswizzled_data, const bool unswizzle,
const std::size_t gobs_in_y = 8; const u32 x_start, const u32 y_start, const u32 z_start, const u32 x_end,
const std::size_t gobs_size = gobs_in_x * gobs_in_y; const u32 y_end, const u32 z_end, const u32 tile_offset,
const std::size_t image_width_in_gobs{(stride + gobs_in_x - 1) / gobs_in_x}; const u32 xy_block_size, const u32 layer_z, const u32 stride_x,
for (std::size_t y = 0; y < height; ++y) { const u32 bytes_per_pixel, const u32 out_bytes_per_pixel) {
const std::size_t gob_y_address =
(y / (gobs_in_y * block_height)) * gobs_size * block_height * image_width_in_gobs +
(y % (gobs_in_y * block_height) / gobs_in_y) * gobs_size;
const auto& table = legacy_swizzle_table[y % gobs_in_y];
for (std::size_t x = 0; x < width; ++x) {
const std::size_t gob_address =
gob_y_address + (x * bytes_per_pixel / gobs_in_x) * gobs_size * block_height;
const std::size_t x2 = x * bytes_per_pixel;
const std::size_t swizzle_offset = gob_address + table[x2 % gobs_in_x];
const std::size_t pixel_index = (x + y * width) * out_bytes_per_pixel;
data_ptrs[unswizzle] = swizzled_data + swizzle_offset;
data_ptrs[!unswizzle] = unswizzled_data + pixel_index;
std::memcpy(data_ptrs[0], data_ptrs[1], bytes_per_pixel);
}
}
}
static void FastSwizzleData(u32 width, u32 height, u32 bytes_per_pixel, u32 out_bytes_per_pixel,
u8* swizzled_data, u8* unswizzled_data, bool unswizzle,
u32 block_height) {
std::array<u8*, 2> data_ptrs;
const std::size_t stride{width * bytes_per_pixel};
const std::size_t gobs_in_x = 64;
const std::size_t gobs_in_y = 8;
const std::size_t gobs_size = gobs_in_x * gobs_in_y;
const std::size_t image_width_in_gobs{(stride + gobs_in_x - 1) / gobs_in_x};
const std::size_t copy_size{16};
for (std::size_t y = 0; y < height; ++y) {
const std::size_t initial_gob =
(y / (gobs_in_y * block_height)) * gobs_size * block_height * image_width_in_gobs +
(y % (gobs_in_y * block_height) / gobs_in_y) * gobs_size;
const std::size_t pixel_base{y * width * out_bytes_per_pixel};
const auto& table = fast_swizzle_table[y % gobs_in_y];
for (std::size_t xb = 0; xb < stride; xb += copy_size) {
const std::size_t gob_address{initial_gob +
(xb / gobs_in_x) * gobs_size * block_height};
const std::size_t swizzle_offset{gob_address + table[(xb / 16) % 4]};
const std::size_t out_x = xb * out_bytes_per_pixel / bytes_per_pixel;
const std::size_t pixel_index{out_x + pixel_base};
data_ptrs[unswizzle] = swizzled_data + swizzle_offset;
data_ptrs[!unswizzle] = unswizzled_data + pixel_index;
std::memcpy(data_ptrs[0], data_ptrs[1], copy_size);
}
}
}
void Precise3DProcessGobs(u8* swizzled_data, u8* unswizzled_data, bool unswizzle, const u32 x_start,
const u32 y_start, const u32 z_start, const u32 x_end, const u32 y_end,
const u32 z_end, const u32 tile_offset, const u32 xy_block_size,
const u32 layer_z, const u32 stride_x, const u32 bytes_per_pixel,
const u32 out_bytes_per_pixel) {
std::array<u8*, 2> data_ptrs; std::array<u8*, 2> data_ptrs;
u32 z_adress = tile_offset; u32 z_adress = tile_offset;
const u32 gob_size = 64 * 8 * 1; const u32 gob_size_x = 64;
const u32 gob_size_y = 8;
const u32 gob_size_z = 1;
const u32 gob_size = gob_size_x * gob_size_y * gob_size_z;
for (u32 z = z_start; z < z_end; z++) { for (u32 z = z_start; z < z_end; z++) {
u32 y_adress = z_adress; u32 y_adress = z_adress;
u32 pixel_base = layer_z * z + y_start * stride_x; u32 pixel_base = layer_z * z + y_start * stride_x;
for (u32 y = y_start; y < y_end; y++) { for (u32 y = y_start; y < y_end; y++) {
const auto& table = legacy_swizzle_table[y % 8]; const auto& table = legacy_swizzle_table[y % gob_size_y];
for (u32 x = x_start; x < x_end; x++) { for (u32 x = x_start; x < x_end; x++) {
const u32 swizzle_offset{y_adress + table[x * bytes_per_pixel % 64]}; const u32 swizzle_offset{y_adress + table[x * bytes_per_pixel % gob_size_x]};
const u32 pixel_index{x * out_bytes_per_pixel + pixel_base}; const u32 pixel_index{x * out_bytes_per_pixel + pixel_base};
data_ptrs[unswizzle] = swizzled_data + swizzle_offset; data_ptrs[unswizzle] = swizzled_data + swizzle_offset;
data_ptrs[!unswizzle] = unswizzled_data + pixel_index; data_ptrs[!unswizzle] = unswizzled_data + pixel_index;
std::memcpy(data_ptrs[0], data_ptrs[1], bytes_per_pixel); std::memcpy(data_ptrs[0], data_ptrs[1], bytes_per_pixel);
} }
pixel_base += stride_x; pixel_base += stride_x;
if ((y + 1) % 8 == 0) if ((y + 1) % gob_size_y == 0)
y_adress += gob_size; y_adress += gob_size;
} }
z_adress += xy_block_size; z_adress += xy_block_size;
} }
} }
void Precise3DSwizzledData(u8* swizzled_data, u8* unswizzled_data, bool unswizzle, u32 width, /**
u32 height, u32 depth, u32 bytes_per_pixel, u32 out_bytes_per_pixel, * This function unswizzles or swizzles a texture by mapping Linear to BlockLinear Textue.
u32 block_height, u32 block_depth) { * The body of this function takes care of splitting the swizzled texture into blocks,
auto div_ceil = [](u32 x, u32 y) { return ((x + y - 1) / y); }; * and managing the extents of it. Once all the parameters of a single block are obtained,
* the function calls '3DProcessBlock' to process that particular Block.
*
* Documentation for the memory layout and decoding can be found at:
* https://envytools.readthedocs.io/en/latest/hw/memory/g80-surface.html#blocklinear-surfaces
*/
void Precise3DSwizzledData(u8* swizzled_data, u8* unswizzled_data, const bool unswizzle,
const u32 width, const u32 height, const u32 depth,
const u32 bytes_per_pixel, const u32 out_bytes_per_pixel,
const u32 block_height, const u32 block_depth) {
auto div_ceil = [](const u32 x, const u32 y) { return ((x + y - 1) / y); };
const u32 stride_x = width * out_bytes_per_pixel; const u32 stride_x = width * out_bytes_per_pixel;
const u32 layer_z = height * stride_x; const u32 layer_z = height * stride_x;
const u32 gob_x_bytes = 64; const u32 gob_x_bytes = 64;
@ -157,33 +116,41 @@ void Precise3DSwizzledData(u8* swizzled_data, u8* unswizzled_data, bool unswizzl
for (u32 xb = 0; xb < blocks_on_x; xb++) { for (u32 xb = 0; xb < blocks_on_x; xb++) {
const u32 x_start = xb * block_x_elements; const u32 x_start = xb * block_x_elements;
const u32 x_end = std::min(width, x_start + block_x_elements); const u32 x_end = std::min(width, x_start + block_x_elements);
Precise3DProcessGobs(swizzled_data, unswizzled_data, unswizzle, x_start, y_start, Precise3DProcessBlock(swizzled_data, unswizzled_data, unswizzle, x_start, y_start,
z_start, x_end, y_end, z_end, tile_offset, xy_block_size, layer_z, z_start, x_end, y_end, z_end, tile_offset, xy_block_size,
stride_x, bytes_per_pixel, out_bytes_per_pixel); layer_z, stride_x, bytes_per_pixel, out_bytes_per_pixel);
tile_offset += block_size; tile_offset += block_size;
} }
} }
} }
} }
void Fast3DProcessGobs(u8* swizzled_data, u8* unswizzled_data, bool unswizzle, const u32 x_start, /**
const u32 y_start, const u32 z_start, const u32 x_end, const u32 y_end, * This function manages ALL the GOBs(Group of Bytes) Inside a single block.
const u32 z_end, const u32 tile_offset, const u32 xy_block_size, * Instead of going gob by gob, we map the coordinates inside a block and manage from
const u32 layer_z, const u32 stride_x, const u32 bytes_per_pixel, * those. Block_Width is assumed to be 1.
const u32 out_bytes_per_pixel) { */
void Fast3DProcessBlock(u8* swizzled_data, u8* unswizzled_data, const bool unswizzle,
const u32 x_start, const u32 y_start, const u32 z_start, const u32 x_end,
const u32 y_end, const u32 z_end, const u32 tile_offset,
const u32 xy_block_size, const u32 layer_z, const u32 stride_x,
const u32 bytes_per_pixel, const u32 out_bytes_per_pixel) {
std::array<u8*, 2> data_ptrs; std::array<u8*, 2> data_ptrs;
u32 z_adress = tile_offset; u32 z_adress = tile_offset;
const u32 x_startb = x_start * bytes_per_pixel; const u32 x_startb = x_start * bytes_per_pixel;
const u32 x_endb = x_end * bytes_per_pixel; const u32 x_endb = x_end * bytes_per_pixel;
const u32 copy_size = 16; const u32 copy_size = 16;
const u32 gob_size = 64 * 8 * 1; const u32 gob_size_x = 64;
const u32 gob_size_y = 8;
const u32 gob_size_z = 1;
const u32 gob_size = gob_size_x * gob_size_y * gob_size_z;
for (u32 z = z_start; z < z_end; z++) { for (u32 z = z_start; z < z_end; z++) {
u32 y_adress = z_adress; u32 y_adress = z_adress;
u32 pixel_base = layer_z * z + y_start * stride_x; u32 pixel_base = layer_z * z + y_start * stride_x;
for (u32 y = y_start; y < y_end; y++) { for (u32 y = y_start; y < y_end; y++) {
const auto& table = fast_swizzle_table[y % 8]; const auto& table = fast_swizzle_table[y % gob_size_y];
for (u32 xb = x_startb; xb < x_endb; xb += copy_size) { for (u32 xb = x_startb; xb < x_endb; xb += copy_size) {
const u32 swizzle_offset{y_adress + table[(xb / 16) % 4]}; const u32 swizzle_offset{y_adress + table[(xb / copy_size) % 4]};
const u32 out_x = xb * out_bytes_per_pixel / bytes_per_pixel; const u32 out_x = xb * out_bytes_per_pixel / bytes_per_pixel;
const u32 pixel_index{out_x + pixel_base}; const u32 pixel_index{out_x + pixel_base};
data_ptrs[unswizzle] = swizzled_data + swizzle_offset; data_ptrs[unswizzle] = swizzled_data + swizzle_offset;
@ -191,18 +158,27 @@ void Fast3DProcessGobs(u8* swizzled_data, u8* unswizzled_data, bool unswizzle, c
std::memcpy(data_ptrs[0], data_ptrs[1], copy_size); std::memcpy(data_ptrs[0], data_ptrs[1], copy_size);
} }
pixel_base += stride_x; pixel_base += stride_x;
if ((y + 1) % 8 == 0) if ((y + 1) % gob_size_y == 0)
y_adress += gob_size; y_adress += gob_size;
} }
z_adress += xy_block_size; z_adress += xy_block_size;
} }
} }
void Fast3DSwizzledData(u8* swizzled_data, u8* unswizzled_data, bool unswizzle, u32 width, /**
u32 height, u32 depth, u32 bytes_per_pixel, u32 out_bytes_per_pixel, * This function unswizzles or swizzles a texture by mapping Linear to BlockLinear Textue.
u32 block_height, u32 block_depth) { * The body of this function takes care of splitting the swizzled texture into blocks,
auto div_ceil = [](u32 x, u32 y) { return ((x + y - 1) / y); }; * and managing the extents of it. Once all the parameters of a single block are obtained,
* the function calls '3DProcessBlock' to process that particular Block.
*
* Documentation for the memory layout and decoding can be found at:
* https://envytools.readthedocs.io/en/latest/hw/memory/g80-surface.html#blocklinear-surfaces
*/
void Fast3DSwizzledData(u8* swizzled_data, u8* unswizzled_data, const bool unswizzle,
const u32 width, const u32 height, const u32 depth,
const u32 bytes_per_pixel, const u32 out_bytes_per_pixel,
const u32 block_height, const u32 block_depth) {
auto div_ceil = [](const u32 x, const u32 y) { return ((x + y - 1) / y); };
const u32 stride_x = width * out_bytes_per_pixel; const u32 stride_x = width * out_bytes_per_pixel;
const u32 layer_z = height * stride_x; const u32 layer_z = height * stride_x;
const u32 gob_x_bytes = 64; const u32 gob_x_bytes = 64;
@ -229,9 +205,9 @@ void Fast3DSwizzledData(u8* swizzled_data, u8* unswizzled_data, bool unswizzle,
for (u32 xb = 0; xb < blocks_on_x; xb++) { for (u32 xb = 0; xb < blocks_on_x; xb++) {
const u32 x_start = xb * block_x_elements; const u32 x_start = xb * block_x_elements;
const u32 x_end = std::min(width, x_start + block_x_elements); const u32 x_end = std::min(width, x_start + block_x_elements);
Fast3DProcessGobs(swizzled_data, unswizzled_data, unswizzle, x_start, y_start, Fast3DProcessBlock(swizzled_data, unswizzled_data, unswizzle, x_start, y_start,
z_start, x_end, y_end, z_end, tile_offset, xy_block_size, layer_z, z_start, x_end, y_end, z_end, tile_offset, xy_block_size,
stride_x, bytes_per_pixel, out_bytes_per_pixel); layer_z, stride_x, bytes_per_pixel, out_bytes_per_pixel);
tile_offset += block_size; tile_offset += block_size;
} }
} }