120 lines
5.5 KiB
C++
120 lines
5.5 KiB
C++
#ifndef __JABYENGINE_GPU_INTERNAL_HPP__
|
|
#define __JABYENGINE_GPU_INTERNAL_HPP__
|
|
#include <PSX/GPU/gpu.hpp>
|
|
#include <PSX/System/IOPorts/dma_io.hpp>
|
|
#include <PSX/System/IOPorts/gpu_io.hpp>
|
|
|
|
namespace JabyEngine {
|
|
namespace GPU {
|
|
namespace internal {
|
|
struct Screen {
|
|
struct Mode {
|
|
enum struct TVEncoding {
|
|
NTSC = 0,
|
|
PAL = 1,
|
|
};
|
|
|
|
static constexpr auto HorizontalResolution368 = Bit<uint32_t>(6);
|
|
static constexpr auto VerticalInterlace = Bit<uint32_t>(5);
|
|
static constexpr auto DisplayAreaColorDepth = BitRange<GPU_IO::DisplayAreaColorDepth>::from_to(4, 4);
|
|
static constexpr auto VideoMode = BitRange<TVEncoding>::from_to(3, 3);
|
|
static constexpr auto VerticalResolution = BitRange<GPU_IO::VerticalResolution>::from_to(2, 2);
|
|
static constexpr auto HorizontalResolution = BitRange<GPU_IO::HorizontalResolution>::from_to(0, 1);
|
|
|
|
static constexpr uint32_t PAL() {
|
|
return ComplexBitMap<uint32_t>::with(
|
|
Mode::HorizontalResolution.with(GPU_IO::HorizontalResolution::$320),
|
|
Mode::VerticalResolution.with(GPU_IO::VerticalResolution::$240),
|
|
Mode::VideoMode.with(TVEncoding::PAL),
|
|
Mode::DisplayAreaColorDepth.with(GPU_IO::DisplayAreaColorDepth::$15bit)
|
|
).raw;
|
|
}
|
|
|
|
static constexpr uint32_t NTSC() {
|
|
return ComplexBitMap<uint32_t>::with(
|
|
Mode::HorizontalResolution.with(GPU_IO::HorizontalResolution::$320),
|
|
Mode::VerticalResolution.with(GPU_IO::VerticalResolution::$240),
|
|
Mode::VideoMode.with(TVEncoding::NTSC),
|
|
Mode::DisplayAreaColorDepth.with(GPU_IO::DisplayAreaColorDepth::$15bit)
|
|
).raw;
|
|
}
|
|
};
|
|
|
|
static void configurate() {
|
|
static constexpr uint16_t FirstVisiblePixelH = 0x260;
|
|
|
|
#ifdef JABYENGINE_PAL
|
|
static constexpr uint16_t FirstVisiblePixelV = 0xA3;
|
|
|
|
GPU_IO::GP1.write(GPU_IO::Command::GP1::DisplayMode(Mode::PAL()));
|
|
GPU::Screen::set_offset(0, 0);
|
|
#else
|
|
static constexpr uint16_t FirstVisiblePixelV = 0x88;
|
|
|
|
GPU_IO::GP1.write(GPU_IO::Command::GP1::DisplayMode(Mode::NTSC()));
|
|
GPU::Screen::set_offset(0, 5); //< Random values
|
|
#endif
|
|
}
|
|
|
|
static void exchange_buffer_and_display();
|
|
};
|
|
|
|
static void set_draw_area(uint16_t x, uint16_t y) {
|
|
GPU_IO::GP0.write(GPU_IO::Command::GP0::DrawAreaTopLeft(x, y));
|
|
GPU_IO::GP0.write(GPU_IO::Command::GP0::DrawAreaBottomRight((x + Display::Width), (y + Display::Height)));
|
|
}
|
|
|
|
static void quick_fill_fast(const Color24& color, const PositionU16& pos, const SizeU16& size) {
|
|
GPU_IO::GP0.write(GPU_IO::Command::GP0::QuickFill(color));
|
|
GPU_IO::GP0.write(GPU_IO::Command::GP0::TopLeftPosition(pos.x, pos.y));
|
|
GPU_IO::GP0.write(GPU_IO::Command::GP0::WidthHeight(size.width, size.height));
|
|
}
|
|
|
|
static void reset_cmd_buffer() {
|
|
GPU_IO::GP1.write(GPU_IO::Command::GP1::ResetCMDBufer());
|
|
}
|
|
|
|
static void wait_ready_for_CMD() {
|
|
while(!GPU_IO::GPUSTAT.read().is(GPU_IO::GPUStatusRegister::GP0ReadyForCMD));
|
|
}
|
|
|
|
namespace DMA {
|
|
static void wait() {
|
|
while(::JabyEngine::DMA_IO::GPU.channel_ctrl.read().is(::JabyEngine::DMA_IO::CHCHR::Busy));
|
|
}
|
|
|
|
static void end() {
|
|
reset_cmd_buffer();
|
|
}
|
|
|
|
namespace Receive {
|
|
static void prepare()
|
|
{
|
|
GPU_IO::GP1.write(GPU_IO::Command::GP1::DMADirection(GPU_IO::DMADirection::CPU2GPU));
|
|
reset_cmd_buffer();
|
|
}
|
|
|
|
static void set_src(uintptr_t adr) {
|
|
DMA_IO::GPU.adr.write(DMA_IO::MADR::MemoryAdr.with(static_cast<uint32_t>(adr)));
|
|
}
|
|
|
|
static void set_dst(const PositionU16& position, const SizeU16& size) {
|
|
wait_ready_for_CMD();
|
|
GPU_IO::GP0.write(GPU_IO::Command::GP0::CPU2VRAM_Blitting());
|
|
GPU_IO::GP0.write(GPU_IO::Command::GP0::TopLeftPosition(position.x, position.y));
|
|
GPU_IO::GP0.write(GPU_IO::Command::GP0::WidthHeight(size.width, size.height));
|
|
}
|
|
|
|
static void start(uint16_t blockCount, uint16_t wordsPerBlock = 0x10) {
|
|
typedef DMA_IO::BCR::SyncMode1 SyncMode1;
|
|
|
|
DMA_IO::GPU.block_ctrl.write(DMA_IO::BCR{SyncMode1::with(SyncMode1::BlockSize.with(wordsPerBlock), SyncMode1::BlockAmount.with(blockCount))});
|
|
DMA_IO::GPU.channel_ctrl.write(DMA_IO::CHCHR::StartGPUReceive());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif //!__JABYENGINE_GPU_INTERNAL_HPP__
|