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Linear textures apparently don't have to have a height multiple of 32.

This commit is contained in:
gibbed 2017-03-11 22:56:17 -06:00
parent f87e55d030
commit c0ee30c6b4
1 changed files with 13 additions and 30 deletions
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43
src/xenia/gpu/texture_info.cc
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@ -211,43 +211,26 @@ void TextureInfo::CalculateTextureSizes2D(const xe_gpu_texture_fetch_t& fetch) {
xe::round_up(size_2d.logical_height, format_info->block_height) /
format_info->block_height;
uint32_t tile_width = 0;
uint32_t tile_height = 0;
// Tiles are 32x32 blocks. All textures must be multiples of tile dimensions.
// ...except linear textures don't seem to need a multiple of 32 for height.
uint32_t tile_width = uint32_t(std::ceil(block_width / 32.0f));
uint32_t tile_height = uint32_t(std::ceil(block_height / 32.0f));
size_2d.block_width = tile_width * 32;
size_2d.block_height = format_info->type == FormatType::kCompressed
? tile_height * 32
: block_height;
uint32_t bytes_per_block = format_info->block_width *
format_info->block_height *
format_info->bits_per_pixel / 8;
uint32_t byte_pitch = 0;
if (is_tiled) {
// Tiles are 32x32 blocks. All textures must be multiples of tile
// dimensions.
tile_width = xe::round_up(block_width, 32);
tile_height = xe::round_up(block_height, 32);
size_2d.block_width = tile_width;
size_2d.block_height = tile_height;
byte_pitch = tile_width * bytes_per_block;
} else if (format_info->type == FormatType::kCompressed) {
// TODO(DrChat): This appears to be incorrect!
tile_width = xe::round_up(block_width, 32);
tile_height = xe::round_up(block_height, 32);
size_2d.block_width = tile_width;
size_2d.block_height = tile_height;
byte_pitch = tile_width * bytes_per_block;
} else {
tile_width = block_width;
tile_height = block_height;
size_2d.block_width = block_width;
size_2d.block_height = block_height;
byte_pitch = tile_width * bytes_per_block;
uint32_t byte_pitch = size_2d.block_width * bytes_per_block;
if (!is_tiled) {
// Each row must be a multiple of 256 in linear textures.
byte_pitch = xe::round_up(byte_pitch, 256);
}
size_2d.input_width = tile_width * format_info->block_width;
size_2d.input_height = tile_height * format_info->block_height;
size_2d.input_width = size_2d.block_width * format_info->block_width;
size_2d.input_height = size_2d.block_height * format_info->block_height;
size_2d.output_width = block_width * format_info->block_width;
size_2d.output_height = block_height * format_info->block_height;