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[D3D12] Texture object creation

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Triang3l
2018-08-05 17:43:00 +03:00
parent 620aa664e4
commit b50d6d844f
5 changed files with 557 additions and 23 deletions
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13
src/xenia/gpu/texture_util.h
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@@ -24,7 +24,7 @@ namespace texture_util {
// Calculates width, height and depth of the image backing the guest mipmap (or
// the base level if mip is 0).
bool GetGuestMipBlocks(Dimension dimension, uint32_t width, uint32_t height,
void GetGuestMipBlocks(Dimension dimension, uint32_t width, uint32_t height,
uint32_t depth, TextureFormat format, uint32_t mip,
uint32_t& width_blocks_out, uint32_t& height_blocks_out,
uint32_t& depth_blocks_out);
@@ -48,16 +48,17 @@ bool GetPackedMipOffset(uint32_t width, uint32_t height, uint32_t depth,
TextureFormat format, uint32_t mip, uint32_t& x_blocks,
uint32_t& y_blocks, uint32_t& z_blocks);
// Calculates the maximum mipmap count for a texture.
inline uint32_t GetMaximumMipCount(uint32_t width, uint32_t height,
uint32_t depth, bool has_packed_mips) {
// Calculates the index of the smallest mip (1x1x1 for unpacked or min(w,h)<=16
// packed mips) for a texture. For non-3D textures, set the depth to 1.
inline uint32_t GetSmallestMipLevel(uint32_t width, uint32_t height,
uint32_t depth, bool packed_mips) {
uint32_t size = std::max(width, height);
size = std::max(size, depth);
uint32_t smallest_mip = xe::log2_ceil(size);
if (has_packed_mips) {
if (packed_mips) {
smallest_mip = std::min(smallest_mip, GetPackedMipLevel(width, height));
}
return smallest_mip + 1;
return smallest_mip;
}
} // namespace texture_util