114 lines
4.5 KiB
C++
114 lines
4.5 KiB
C++
#pragma once
|
|
#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 Display {
|
|
typedef ::JabyEngine::GPU::Display PublicDisplay;
|
|
|
|
static constexpr auto Width = PublicDisplay::Width;
|
|
static constexpr auto Height = PublicDisplay::Height;
|
|
|
|
#ifdef JABYENGINE_PAL
|
|
static constexpr auto DisplayMode = GPU_IO_Values::DisplayMode::PAL();
|
|
static constexpr uint16_t ScanlinesV = 288;
|
|
static constexpr auto DisplayRange = PositionI16::create(78, 35);
|
|
#else
|
|
static constexpr auto DisplayMode = GPU_IO_Values::DisplayMode::NTSC();
|
|
static constexpr uint16_t ScanlinesV = 240;
|
|
static constexpr auto DisplayRange = PositionI16::create(76, 16);
|
|
#endif //JABYENGINE_PAL
|
|
|
|
static uint32_t exchange_buffer_and_display();
|
|
};
|
|
|
|
void wait_vsync(uint8_t syncs);
|
|
|
|
static void wait_ready_for_CMD() {
|
|
GPU::wait_for_render();
|
|
}
|
|
|
|
static void set_draw_area(const PositionU16& pos) {
|
|
wait_ready_for_CMD();
|
|
GPU_IO::GP0.set_draw_area_top_left(pos);
|
|
wait_ready_for_CMD();
|
|
GPU_IO::GP0.set_draw_area_bottom_right(pos.move((Display::Width - 1), (Display::Height - 1)));
|
|
}
|
|
|
|
static void copy_vram_to_vram(const AreaU16& dst, const PositionU16& src) {
|
|
wait_ready_for_CMD();
|
|
GPU_IO::GP0.set_vram2vram_blitting();
|
|
GPU_IO::GP0.pass_top_left_position(src);
|
|
GPU_IO::GP0.pass_top_left_position(dst.position);
|
|
GPU_IO::GP0.pass_width_height(dst.size);
|
|
}
|
|
|
|
static void quick_fill_fast(const Color24& color, const AreaU16& area) {
|
|
wait_ready_for_CMD();
|
|
GPU_IO::GP0.quick_fill(color);
|
|
GPU_IO::GP0.pass_top_left_position(area.position);
|
|
GPU_IO::GP0.pass_width_height(area.size);
|
|
}
|
|
|
|
static void set_draw_offset(const PositionI16& offset) {
|
|
wait_ready_for_CMD();
|
|
GPU_IO::GP0.set_draw_offset(offset);
|
|
}
|
|
|
|
static void reset_cmd_buffer() {
|
|
GPU_IO::GP1.reset_cmd_buffer();
|
|
}
|
|
|
|
struct DMA {
|
|
#ifdef __SUPPORT_PS3__
|
|
// The PS3 doesn't autoincrement the GPU MADR register so we have to do it
|
|
static uintptr_t MADR;
|
|
#endif // __SUPPORT_PS3__
|
|
|
|
static void wait() {
|
|
DMA_IO::GPU.wait();
|
|
}
|
|
|
|
static void end() {
|
|
reset_cmd_buffer();
|
|
}
|
|
|
|
struct Receive {
|
|
static void prepare() {
|
|
GPU_IO::GP1.set_dma_direction(GPU_IO_Values::GPUSTAT::DMADirection::CPU2GPU);
|
|
reset_cmd_buffer();
|
|
}
|
|
|
|
static void set_src(uintptr_t adr) {
|
|
#ifdef __SUPPORT_PS3__
|
|
DMA::MADR = adr;
|
|
#else
|
|
DMA_IO::GPU.set_adr(adr);
|
|
#endif // __SUPPORT_PS3__
|
|
}
|
|
|
|
static void set_dst(const PositionU16& position, const SizeU16& size) {
|
|
wait_ready_for_CMD();
|
|
GPU_IO::GP0.set_cpu2vram_blitting();
|
|
GPU_IO::GP0.pass_top_left_position(position);
|
|
GPU_IO::GP0.pass_width_height(size);
|
|
}
|
|
|
|
static void start(uint16_t blockCount, uint16_t wordsPerBlock = 0x10) {
|
|
using SyncMode1 = DMA_IO_Values::BCR::SyncMode1;
|
|
|
|
#ifdef __SUPPORT_PS3__
|
|
DMA_IO::GPU.set_adr(MADR);
|
|
DMA::MADR += (blockCount * wordsPerBlock) << 2;
|
|
#endif // __SUPPORT_PS3__
|
|
DMA_IO::GPU.block_ctrl.write(DMA_IO_Values::BCR::from(SyncMode1::BlockSize.with(wordsPerBlock), SyncMode1::BlockAmount.with(blockCount)));
|
|
DMA_IO::GPU.channel_ctrl.write(DMA_IO_Values::CHCHR::StartGPUReceive());
|
|
}
|
|
};
|
|
};
|
|
}
|
|
}
|
|
} |