1 files changed, 28 insertions, 10 deletions

diff --git a/src/video_core/textures/decoders.h b/src/video_core/textures/decoders.h
index 06f3ebf87..232b696b3 100644
--- a/src/video_core/textures/decoders.h
+++ b/src/video_core/textures/decoders.h
@@ -10,15 +10,15 @@
 
 namespace Tegra::Texture {
 
-// GOBSize constant. Calculated by 64 bytes in x multiplied by 8 y coords, represents
-// an small rect of (64/bytes_per_pixel)X8.
-inline std::size_t GetGOBSize() {
-    return 512;
-}
+constexpr u32 GOB_SIZE_X = 64;
+constexpr u32 GOB_SIZE_Y = 8;
+constexpr u32 GOB_SIZE_Z = 1;
+constexpr u32 GOB_SIZE = GOB_SIZE_X * GOB_SIZE_Y * GOB_SIZE_Z;
 
-inline std::size_t GetGOBSizeShift() {
-    return 9;
-}
+constexpr std::size_t GOB_SIZE_X_SHIFT = 6;
+constexpr std::size_t GOB_SIZE_Y_SHIFT = 3;
+constexpr std::size_t GOB_SIZE_Z_SHIFT = 0;
+constexpr std::size_t GOB_SIZE_SHIFT = GOB_SIZE_X_SHIFT + GOB_SIZE_Y_SHIFT + GOB_SIZE_Z_SHIFT;
 
 /// Unswizzles a swizzled texture without changing its format.
 void UnswizzleTexture(u8* unswizzled_data, u8* address, u32 tile_size_x, u32 tile_size_y,
@@ -48,14 +48,32 @@ std::size_t CalculateSize(bool tiled, u32 bytes_per_pixel, u32 width, u32 height
 
 /// Copies an untiled subrectangle into a tiled surface.
 void SwizzleSubrect(u32 subrect_width, u32 subrect_height, u32 source_pitch, u32 swizzled_width,
-                    u32 bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data, u32 block_height,
-                    u32 offset_x, u32 offset_y);
+                    u32 bytes_per_pixel, u8* swizzled_data, const u8* unswizzled_data,
+                    u32 block_height_bit, u32 offset_x, u32 offset_y);
 
 /// Copies a tiled subrectangle into a linear surface.
 void UnswizzleSubrect(u32 subrect_width, u32 subrect_height, u32 dest_pitch, u32 swizzled_width,
                       u32 bytes_per_pixel, u8* swizzled_data, u8* unswizzled_data, u32 block_height,
                       u32 offset_x, u32 offset_y);
 
+/// @brief Swizzles a 2D array of pixels into a 3D texture
+/// @param line_length_in  Number of pixels per line
+/// @param line_count      Number of lines
+/// @param pitch           Number of bytes per line
+/// @param width           Width of the swizzled texture
+/// @param height          Height of the swizzled texture
+/// @param bytes_per_pixel Number of bytes used per pixel
+/// @param block_height    Block height shift
+/// @param block_depth     Block depth shift
+/// @param origin_x        Column offset in pixels of the swizzled texture
+/// @param origin_y        Row offset in pixels of the swizzled texture
+/// @param output          Pointer to the pixels of the swizzled texture
+/// @param input           Pointer to the 2D array of pixels used as input
+/// @pre input and output points to an array large enough to hold the number of bytes used
+void SwizzleSliceToVoxel(u32 line_length_in, u32 line_count, u32 pitch, u32 width, u32 height,
+                         u32 bytes_per_pixel, u32 block_height, u32 block_depth, u32 origin_x,
+                         u32 origin_y, u8* output, const u8* input);
+
 void SwizzleKepler(u32 width, u32 height, u32 dst_x, u32 dst_y, u32 block_height,
                    std::size_t copy_size, const u8* source_data, u8* swizzle_data);