60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
#ifndef __JABYENGINE_INTERNAL_GPU_HPP__
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#define __JABYENGINE_INTERNAL_GPU_HPP__
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#include <PSX/GPU/GPU_Types.hpp>
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#include <PSX/System/IOPorts/DMA_IO.hpp>
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#include <PSX/System/IOPorts/GPU_IO.hpp>
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namespace GPU {
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static void quick_fill_fast(const Color24& color, const PositionU16& pos, const SizeU16& size) {
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GP0.write(Command::GP0::QuickFill(color));
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GP0.write(Command::GP0::TopLeftPosition(pos.x, pos.y));
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GP0.write(Command::GP0::WidthHeight(size.width, size.height));
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}
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static void reset_cmd_buffer() {
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GP1.write(Command::GP1::ResetCMDBufer());
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}
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static void wait_ready_for_CMD() {
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while(!GPUSTAT.ref().is(GPUStatusRegister::GP0ReadyForCMD));
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}
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namespace DMA {
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static void wait() {
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while(::DMA::GPU.channel_ctrl.ref().is(::DMA::CHCHR::Busy));
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}
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static void end() {
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reset_cmd_buffer();
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}
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namespace Receive {
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static void prepare()
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{
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GP1.write(Command::GP1::DMADirection(DMADirection::CPU2GPU));
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reset_cmd_buffer();
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}
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static void set_src(uintptr_t adr) {
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::DMA::GPU.adr.ref().set_value(static_cast<uint32_t>(adr), ::DMA::MADR::MemoryAdr);
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}
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static void set_dst(const PositionU16& position, const SizeU16& size) {
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wait_ready_for_CMD();
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GP0.write(Command::GP0::CPU2VRAM_Blitting());
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GP0.write(Command::GP0::TopLeftPosition(position.x, position.y));
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GP0.write(Command::GP0::WidthHeight(size.width, size.height));
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}
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static void start(uint16_t blockCount, uint16_t wordsPerBlock = 0x10) {
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typedef ::DMA::BCR::SyncMode1 SyncMode1;
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::DMA::GPU.block_ctrl.write(SyncMode1::with(SyncMode1::BlockSize.with(wordsPerBlock), SyncMode1::BlockAmount.with(blockCount)));
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::DMA::GPU.channel_ctrl.write(::DMA::CHCHR::StartGPUReceive());
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}
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}
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}
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}
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#endif //!__JABYENGINE_INTERNAL_GPU_HPP__
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