Diamond75/Panda3DS
1
0
Fork 0
mirror of https://github.com/wheremyfoodat/Panda3DS.git synced 2025-06-03 12:27:21 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions

[PICA] Rework how external registers work, format

Browse source
This commit is contained in:
wheremyfoodat 2023-08-04 00:42:11 +03:00
parent a8a76ab64d
commit 9695b57bf5
13 changed files with 54 additions and 38 deletions
Download patch file Download diff file Expand all files Collapse all files

12
include/PICA/gpu.hpp
View file

@ -14,8 +14,11 @@
class GPU {
static constexpr u32 regNum = 0x300;
static constexpr u32 extRegNum = 0x1000;
using vec4f = std::array<Floats::f24, 4>;
using Registers = std::array<u32, regNum>;
using Registers = std::array<u32, regNum>; // Internal registers (named registers in short since they're the main ones)
using ExternalRegisters = std::array<u32, extRegNum>;
Memory& mem;
EmulatorConfig& config;
@ -29,7 +32,6 @@ class GPU {
static constexpr u32 vramSize = u32(6_MB);
Registers regs; // GPU internal registers
std::array<vec4f, 16> currentAttributes; // Vertex attributes before being passed to the shader
std::array<u32, 0x1000> external_regs; // GPU external registers
std::array<vec4f, 16> immediateModeAttributes; // Vertex attributes uploaded via immediate mode submission
std::array<PICA::Vertex, 3> immediateModeVertices;
@ -144,4 +146,10 @@ class GPU {
Helpers::panic("[GPU] Tried to access unknown physical address: %08X", paddr);
}
}
private:
// GPU external registers
// We have them in the end of the struct for cache locality reasons. Tl;dr we want the more commonly used things to be packed in the start
// Of the struct, instead of externalRegs being in the middle
ExternalRegisters externalRegs;
};