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[Vulkan] Rework GetMipByteSize to properly handle linear textures. Probably breaks everything.

This commit is contained in:
gibbed 2018-05-12 02:30:49 -05:00
parent 9926bf1cf6
commit c6ee689159
1 changed files with 14 additions and 4 deletions
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18
src/xenia/gpu/texture_info.cc
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@ -471,11 +471,21 @@ uint32_t TextureInfo::GetMipByteSize(const TextureInfo& src, uint32_t mip) {
xe::round_up(logical_height, src.format_info()->block_height) /
src.format_info()->block_height;
uint32_t size = block_width * block_height * bytes_per_block;
if (src.is_tiled) {
// If the texture is tiled, its dimensions must be a multiple of tile
// dimensions (32x32 blocks).
block_width = xe::round_up(block_width, 32);
block_height = xe::round_up(block_height, 32);
}
// Minimum of one tile, which is 32x32 blocks.
uint32_t tile_size = 32 * 32 * bytes_per_block;
return std::max(size, tile_size) * (src.depth + 1);
uint32_t byte_pitch = block_width * bytes_per_block;
if (!src.is_tiled) {
// Each row must be a multiple of 256 in linear textures.
byte_pitch = xe::round_up(byte_pitch, 256);
}
return byte_pitch * block_height;
}
uint32_t TextureInfo::GetMipLinearSize(const TextureInfo& src, uint32_t mip) {