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] Start working on textures

Browse source
This commit is contained in:
wheremyfoodat 2023-01-31 21:34:42 +02:00
parent f7824774eb
commit dd17b2ecb8
5 changed files with 149 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

60
include/PICA/gpu.hpp
View file

@ -20,36 +20,6 @@ class GPU {
static constexpr u32 vramSize = 6_MB;
std::array<u32, regNum> regs; // GPU internal registers
// Read a value of type T from physical address paddr
// This is necessary because vertex attribute fetching uses physical addresses
template<typename T>
T readPhysical(u32 paddr) {
if (paddr >= PhysicalAddrs::FCRAM && paddr <= PhysicalAddrs::FCRAMEnd) {
u8* fcram = mem.getFCRAM();
u32 index = paddr - PhysicalAddrs::FCRAM;
return *(T*)&fcram[index];
} else {
Helpers::panic("[PICA] Read unimplemented paddr %08X", paddr);
}
}
// Get a pointer of type T* to the data starting from physical address paddr
template<typename T>
T* getPointerPhys(u32 paddr) {
if (paddr >= PhysicalAddrs::FCRAM && paddr <= PhysicalAddrs::FCRAMEnd) {
u8* fcram = mem.getFCRAM();
u32 index = paddr - PhysicalAddrs::FCRAM;
return (T*)&fcram[index];
} else if (paddr >= PhysicalAddrs::VRAM && paddr <= PhysicalAddrs::VRAMEnd) {
u32 index = paddr - PhysicalAddrs::VRAM;
return (T*)&vram[index];
} else [[unlikely]] {
Helpers::panic("[GPU] Tried to access unknown physical address: %08X", paddr);
}
}
template <bool indexed>
void drawArrays();
@ -97,4 +67,34 @@ public:
void clearBuffer(u32 startAddress, u32 endAddress, u32 value, u32 control) {
renderer.clearBuffer(startAddress, endAddress, value, control);
}
// Read a value of type T from physical address paddr
// This is necessary because vertex attribute fetching uses physical addresses
template <typename T>
T readPhysical(u32 paddr) {
if (paddr >= PhysicalAddrs::FCRAM && paddr <= PhysicalAddrs::FCRAMEnd) {
u8* fcram = mem.getFCRAM();
u32 index = paddr - PhysicalAddrs::FCRAM;
return *(T*)&fcram[index];
} else {
Helpers::panic("[PICA] Read unimplemented paddr %08X", paddr);
}
}
// Get a pointer of type T* to the data starting from physical address paddr
template <typename T>
T* getPointerPhys(u32 paddr) {
if (paddr >= PhysicalAddrs::FCRAM && paddr <= PhysicalAddrs::FCRAMEnd) {
u8* fcram = mem.getFCRAM();
u32 index = paddr - PhysicalAddrs::FCRAM;
return (T*)&fcram[index];
} else if (paddr >= PhysicalAddrs::VRAM && paddr <= PhysicalAddrs::VRAMEnd) {
u32 index = paddr - PhysicalAddrs::VRAM;
return (T*)&vram[index];
} else [[unlikely]] {
Helpers::panic("[GPU] Tried to access unknown physical address: %08X", paddr);
}
}
};