rpcsx/rpcs3/Emu/RSX/Common/BufferUtils.h
Nekotekina 12c83b340d Remove built_function
With today's branch prediction techniques, it's hardly useful.
2022-01-24 22:21:41 +03:00

57 lines
1.9 KiB
C++

#pragma once
#include "../gcm_enums.h"
#include <span>
/*
* If primitive mode is not supported and need to be emulated (using an index buffer) returns false.
*/
bool is_primitive_native(rsx::primitive_type m_draw_mode);
/*
* Returns true if adjacency information does not matter for this type. Allows optimizations e.g removal of primitive restart index
*/
bool is_primitive_disjointed(rsx::primitive_type draw_mode);
/**
* Returns a fixed index count for emulated primitive, otherwise returns initial_index_count
*/
u32 get_index_count(rsx::primitive_type m_draw_mode, u32 initial_index_count);
/**
* Returns index type size in byte
*/
u32 get_index_type_size(rsx::index_array_type type);
/**
* Write count indexes using (first, first + count) ranges.
* Returns min/max index found during the process and the number of valid indices written to the buffer.
* The function expands index buffer for non native primitive type if expands(draw_mode) return true.
*/
std::tuple<u32, u32, u32> write_index_array_data_to_buffer(std::span<std::byte> dst, std::span<const std::byte> src,
rsx::index_array_type, rsx::primitive_type draw_mode, bool restart_index_enabled, u32 restart_index,
const std::function<bool(rsx::primitive_type)>& expands);
/**
* Write index data needed to emulate non indexed non native primitive mode.
*/
void write_index_array_for_non_indexed_non_native_primitive_to_buffer(char* dst, rsx::primitive_type draw_mode, unsigned count);
/**
* Stream a 128 bits vector to dst.
*/
void stream_vector(void *dst, f32 x, f32 y, f32 z, f32 w);
void stream_vector(void *dst, u32 x, u32 y, u32 z, u32 w);
/**
* Stream a 128 bits vector from src to dst.
*/
void stream_vector_from_memory(void *dst, void *src);
// Copy and swap data in 32-bit units
extern void(*const copy_data_swap_u32)(u32*, const u32*, u32);
// Copy and swap data in 32-bit units, return true if changed
extern bool(*const copy_data_swap_u32_cmp)(u32*, const u32*, u32);