eden-emu
/
eden
mirror of https://git.eden-emu.dev/eden-emu/eden.git
1
0
Fork 0
Code Releases Wiki Activity
Browse Source

Shorten the implementation of 3D swizzle to only 3 functions

nce_cpp
FernandoS27 7 years ago
parent
92e9faba25
commit
39ba6950b8
1 changed files with 27 additions and 70 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 75
      src/video_core/textures/decoders.cpp

75
src/video_core/textures/decoders.cpp
View File

@ -45,7 +45,7 @@ constexpr auto fast_swizzle_table = SwizzleTable<8, 4, 16>();
* Instead of going gob by gob, we map the coordinates inside a block and manage from
* those. Block_Width is assumed to be 1.
*/
void Precise3DProcessBlock(u8* swizzled_data, u8* unswizzled_data, const bool unswizzle,
void PreciseProcessBlock(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,
@ -76,61 +76,12 @@ void Precise3DProcessBlock(u8* swizzled_data, u8* unswizzled_data, const bool un
}
}
/**
* This function unswizzles or swizzles a texture by mapping Linear to BlockLinear Textue.
* The body of this function takes care of splitting the swizzled texture into blocks,
* 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 layer_z = height * stride_x;
const u32 gob_x_bytes = 64;
const u32 gob_elements_x = gob_x_bytes / bytes_per_pixel;
const u32 gob_elements_y = 8;
const u32 gob_elements_z = 1;
const u32 block_x_elements = gob_elements_x;
const u32 block_y_elements = gob_elements_y * block_height;
const u32 block_z_elements = gob_elements_z * block_depth;
const u32 blocks_on_x = div_ceil(width, block_x_elements);
const u32 blocks_on_y = div_ceil(height, block_y_elements);
const u32 blocks_on_z = div_ceil(depth, block_z_elements);
const u32 blocks = blocks_on_x * blocks_on_y * blocks_on_z;
const u32 gob_size = gob_x_bytes * gob_elements_y * gob_elements_z;
const u32 xy_block_size = gob_size * block_height;
const u32 block_size = xy_block_size * block_depth;
u32 tile_offset = 0;
for (u32 zb = 0; zb < blocks_on_z; zb++) {
const u32 z_start = zb * block_z_elements;
const u32 z_end = std::min(depth, z_start + block_z_elements);
for (u32 yb = 0; yb < blocks_on_y; yb++) {
const u32 y_start = yb * block_y_elements;
const u32 y_end = std::min(height, y_start + block_y_elements);
for (u32 xb = 0; xb < blocks_on_x; xb++) {
const u32 x_start = xb * block_x_elements;
const u32 x_end = std::min(width, x_start + block_x_elements);
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, stride_x, bytes_per_pixel, out_bytes_per_pixel);
tile_offset += block_size;
}
}
}
}
/**
* This function manages ALL the GOBs(Group of Bytes) Inside a single block.
* Instead of going gob by gob, we map the coordinates inside a block and manage from
* those. Block_Width is assumed to be 1.
*/
void Fast3DProcessBlock(u8* swizzled_data, u8* unswizzled_data, const bool unswizzle,
void FastProcessBlock(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,
@ -169,15 +120,15 @@ void Fast3DProcessBlock(u8* swizzled_data, u8* unswizzled_data, const bool unswi
* This function unswizzles or swizzles a texture by mapping Linear to BlockLinear Textue.
* The body of this function takes care of splitting the swizzled texture into blocks,
* 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.
* the function calls 'ProcessBlock' 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) {
template <bool fast>
void SwizzledData(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 layer_z = height * stride_x;
@ -205,9 +156,15 @@ void Fast3DSwizzledData(u8* swizzled_data, u8* unswizzled_data, const bool unswi
for (u32 xb = 0; xb < blocks_on_x; xb++) {
const u32 x_start = xb * block_x_elements;
const u32 x_end = std::min(width, x_start + block_x_elements);
Fast3DProcessBlock(swizzled_data, unswizzled_data, unswizzle, x_start, y_start,
if (fast) {
FastProcessBlock(swizzled_data, unswizzled_data, unswizzle, x_start, y_start,
z_start, x_end, y_end, z_end, tile_offset, xy_block_size,
layer_z, stride_x, bytes_per_pixel, out_bytes_per_pixel);
} else {
PreciseProcessBlock(swizzled_data, unswizzled_data, unswizzle, x_start, y_start,
z_start, x_end, y_end, z_end, tile_offset, xy_block_size,
layer_z, stride_x, bytes_per_pixel, out_bytes_per_pixel);
}
tile_offset += block_size;
}
}
@ -218,10 +175,10 @@ void CopySwizzledData(u32 width, u32 height, u32 depth, u32 bytes_per_pixel,
u32 out_bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data,
bool unswizzle, u32 block_height, u32 block_depth) {
if (bytes_per_pixel % 3 != 0 && (width * bytes_per_pixel) % 16 == 0) {
Fast3DSwizzledData(swizzled_data, unswizzled_data, unswizzle, width, height, depth,
SwizzledData<true>(swizzled_data, unswizzled_data, unswizzle, width, height, depth,
bytes_per_pixel, out_bytes_per_pixel, block_height, block_depth);
} else {
Precise3DSwizzledData(swizzled_data, unswizzled_data, unswizzle, width, height, depth,
SwizzledData<false>(swizzled_data, unswizzled_data, unswizzle, width, height, depth,
bytes_per_pixel, out_bytes_per_pixel, block_height, block_depth);
}
}

Write Preview
Loading…
Cancel
Save