rpcsx/rpcs3/Emu/RSX/Common/TextureUtils.h
2018-05-14 21:14:39 +04:00

69 lines
2.2 KiB
C++

#pragma once
#include "../RSXTexture.h"
#include <vector>
#include "Utilities/GSL.h"
namespace rsx
{
enum texture_upload_context
{
shader_read = 0,
blit_engine_src = 1,
blit_engine_dst = 2,
framebuffer_storage = 3
};
enum texture_colorspace
{
rgb_linear = 0,
srgb_nonlinear = 1
};
//Sampled image descriptor
struct sampled_image_descriptor_base
{
texture_upload_context upload_context = texture_upload_context::shader_read;
rsx::texture_dimension_extended image_type = texture_dimension_extended::texture_dimension_2d;
bool is_depth_texture = false;
f32 scale_x = 1.f;
f32 scale_y = 1.f;
};
}
struct rsx_subresource_layout
{
gsl::span<const gsl::byte> data;
u16 width_in_block;
u16 height_in_block;
u16 depth;
u32 pitch_in_block;
};
/**
* Get size to store texture in a linear fashion.
* Storage is assumed to use a rowPitchAlignment boundary for every row of texture.
*/
size_t get_placed_texture_storage_size(u16 width, u16 height, u32 depth, u8 format, u16 mipmap, bool cubemap, size_t row_pitch_alignment, size_t mipmap_alignment);
size_t get_placed_texture_storage_size(const rsx::fragment_texture &texture, size_t row_pitch_alignment, size_t mipmap_alignment = 0x200);
size_t get_placed_texture_storage_size(const rsx::vertex_texture &texture, size_t row_pitch_alignment, 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, bool vtc_support, 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);