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Port GPU IO

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This commit is contained in:
jaby
2023-09-17 22:14:48 +02:00
parent 87a7a349cc
commit d7df0b038b
10 changed files with 100 additions and 98 deletions
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36
src/Library/internal-include/GPU/gpu_internal.hpp
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@@ -14,10 +14,10 @@ namespace JabyEngine {
static constexpr auto Height = PublicDisplay::Height;
#ifdef JABYENGINE_PAL
static constexpr auto DisplayMode = GPU_IO::DisplayMode_t::PAL();
static constexpr auto DisplayMode = GPU_IO::DisplayMode::PAL();
static constexpr uint16_t ScanlinesV = 288;
#else
static constexpr auto DisplayMode = GPU_IO::DisplayMode_t::NTSC();
static constexpr auto DisplayMode = GPU_IO::DisplayMode::NTSC();
static constexpr uint16_t ScanlinesV = 240;
#endif //JABYENGINE_PAL
@@ -27,7 +27,7 @@ namespace JabyEngine {
void wait_vsync(uint8_t syncs);
static void wait_ready_for_CMD() {
while(!GPU_IO::GPUSTAT.is_set(GPU_IO::GPUSTAT_t::GP0ReadyForCMD));
while(!GPU_IO::GPUSTAT.read().is_set2(GPU_IO::GPUSTAT::GP0ReadyForCMD));
}
static void set_draw_area(const PositionU16& pos) {
@@ -35,33 +35,33 @@ namespace JabyEngine {
const auto bottom_right = GPU_IO::Command::DrawAreaBottomRight(pos.move((Display::Width - 1), (Display::Height - 1)));
wait_ready_for_CMD();
GPU_IO::GP0 = top_left;
GPU_IO::GP0.write(top_left);
wait_ready_for_CMD();
GPU_IO::GP0 = bottom_right;
GPU_IO::GP0.write(bottom_right);
}
static void copy_vram_to_vram(const AreaU16& dst, const PositionU16& src) {
wait_ready_for_CMD();
GPU_IO::GP0 = GPU_IO::Command::VRAM2VRAM_Blitting();
GPU_IO::GP0 = GPU_IO::Command::TopLeftPosition(src);
GPU_IO::GP0 = GPU_IO::Command::TopLeftPosition(dst.position);
GPU_IO::GP0 = GPU_IO::Command::WidthHeight(dst.size);
GPU_IO::GP0.write(GPU_IO::Command::VRAM2VRAM_Blitting());
GPU_IO::GP0.write(GPU_IO::Command::TopLeftPosition(src));
GPU_IO::GP0.write(GPU_IO::Command::TopLeftPosition(dst.position));
GPU_IO::GP0.write(GPU_IO::Command::WidthHeight(dst.size));
}
static void quick_fill_fast(const Color24& color, const AreaU16& area) {
wait_ready_for_CMD();
GPU_IO::GP0 = GPU_IO::Command::QuickFill(color);
GPU_IO::GP0 = GPU_IO::Command::TopLeftPosition(area.position);
GPU_IO::GP0 = GPU_IO::Command::WidthHeight(area.size);
GPU_IO::GP0.write(GPU_IO::Command::QuickFill(color));
GPU_IO::GP0.write(GPU_IO::Command::TopLeftPosition(area.position));
GPU_IO::GP0.write(GPU_IO::Command::WidthHeight(area.size));
}
static void set_draw_offset(const PositionI16& offset) {
wait_ready_for_CMD();
GPU_IO::GP0 = GPU_IO::Command::SetDrawOffset(offset);
GPU_IO::GP0.write(GPU_IO::Command::SetDrawOffset(offset));
}
static void reset_cmd_buffer() {
GPU_IO::GP1 = GPU_IO::Command::ResetCMDBufer();
GPU_IO::GP1.write(GPU_IO::Command::ResetCMDBufer());
}
namespace DMA {
@@ -75,7 +75,7 @@ namespace JabyEngine {
namespace Receive {
static void prepare() {
GPU_IO::GP1 = GPU_IO::Command::DMADirection(GPU_IO::DMADirection::CPU2GPU);
GPU_IO::GP1.write(GPU_IO::Command::DMADirection(GPU_IO::DMADirection::CPU2GPU));
reset_cmd_buffer();
}
@@ -85,9 +85,9 @@ namespace JabyEngine {
static void set_dst(const PositionU16& position, const SizeU16& size) {
wait_ready_for_CMD();
GPU_IO::GP0 = GPU_IO::Command::CPU2VRAM_Blitting();
GPU_IO::GP0 = GPU_IO::Command::TopLeftPosition(position);
GPU_IO::GP0 = GPU_IO::Command::WidthHeight(size);
GPU_IO::GP0.write(GPU_IO::Command::CPU2VRAM_Blitting());
GPU_IO::GP0.write(GPU_IO::Command::TopLeftPosition(position));
GPU_IO::GP0.write(GPU_IO::Command::WidthHeight(size));
}
static void start(uint16_t blockCount, uint16_t wordsPerBlock = 0x10) {