rpcsx/rpcs3/Emu/RSX/Common/TextureUtils.h

42 lines
1.5 KiB
C++

#pragma once
#include "../RSXTexture.h"
#include <vector>
#include "Utilities/GSL.h"
struct rsx_subresource_layout
{
gsl::span<const gsl::byte> data;
u16 width_in_block;
u16 height_in_block;
u16 depth;
u32 pitch_in_bytes;
};
/**
* Get size to store texture in a linear fashion.
* Storage is assumed to use a rowPitchAlignement boundary for every row of texture.
*/
size_t get_placed_texture_storage_size(const rsx::fragment_texture &texture, size_t row_pitch_alignement, size_t mipmap_alignment = 0x200);
size_t get_placed_texture_storage_size(const rsx::vertex_texture &texture, size_t row_pitch_alignement, size_t mipmap_alignment = 0x200);
/**
* get all rsx_subresource_layout for texture.
* The subresources are ordered per layer then per mipmap level (as in rsx memory).
*/
std::vector<rsx_subresource_layout> get_subresources_layout(const rsx::fragment_texture &texture);
std::vector<rsx_subresource_layout> get_subresources_layout(const rsx::vertex_texture &texture);
void upload_texture_subresource(gsl::span<gsl::byte> dst_buffer, const rsx_subresource_layout &src_layout, int format, bool is_swizzled, size_t dst_row_pitch_multiple_of);
u8 get_format_block_size_in_bytes(int format);
u8 get_format_block_size_in_texel(int format);
u8 get_format_block_size_in_bytes(rsx::surface_color_format format);
/**
* Get number of bytes occupied by texture in RSX mem
*/
size_t get_texture_size(const rsx::fragment_texture &texture);
size_t get_texture_size(const rsx::vertex_texture &texture);