jaby/jabyengine
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 1 Wiki Activity

Port GPU IO

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

108
include/PSX/System/IOPorts/gpu_io.hpp
View File

@@ -35,7 +35,7 @@ namespace JabyEngine {
Off = 1
};
__declare_io_type(DisplayMode, uint32_t,
__new_declare_io_value(DisplayMode, uint32_t) {
enum struct TVEncoding {
NTSC = 0,
PAL = 1,
@@ -48,8 +48,8 @@ namespace JabyEngine {
static constexpr auto VerticalResolution = BitRange::from_to(2, 2);
static constexpr auto HorizontalResolution = BitRange::from_to(0, 1);
static constexpr Self PAL() {
return Self::from(
static constexpr DisplayMode PAL() {
return DisplayMode::from(
HorizontalResolution.with(GPU_IO::HorizontalResolution::$320),
VerticalResolution.with(GPU_IO::VerticalResolution::$240),
VideoMode.with(TVEncoding::PAL),
@@ -57,51 +57,55 @@ namespace JabyEngine {
);
}
static constexpr Self NTSC() {
return Self::from(
static constexpr DisplayMode NTSC() {
return DisplayMode::from(
HorizontalResolution.with(GPU_IO::HorizontalResolution::$320),
VerticalResolution.with(GPU_IO::VerticalResolution::$240),
VideoMode.with(TVEncoding::NTSC),
DisplayAreaColorDepth.with(GPU_IO::DisplayAreaColorDepth::$15bit)
);
}
);
};
__declare_io_type(GP0, uint32_t,
);
__declare_io_type(GP1, uint32_t,
);
__new_declare_io_value(GP0, uint32_t) {
static constexpr auto ID = BitRange::from_to(24, 31);
static constexpr auto Value = BitRange::from_to(0, 23);
};
__new_declare_io_value(GP1, uint32_t) {
static constexpr auto ID = BitRange::from_to(24, 31);
static constexpr auto Value = BitRange::from_to(0, 23);
};
struct Command {
struct Helper {
static constexpr uint32_t construct_cmd(uint8_t cmd, uint32_t value) {
return ((cmd << 24) | value);
template<typename T>
static constexpr T construct_cmd(uint32_t cmd, uint32_t value) {
return T::from(T::ID.with(cmd), T::Value.with(value));
}
static constexpr GP0_t DrawAreaTemplate(uint8_t code, uint16_t x, uint16_t y) {
static constexpr struct GP0 DrawAreaTemplate(uint8_t code, uint16_t x, uint16_t y) {
constexpr auto Command = BitRange::from_to(24, 31);
constexpr auto Y = BitRange::from_to(10, 18);
constexpr auto X = BitRange::from_to(0, 9);
return {construct_cmd(code, Y.as_value(static_cast<uint32_t>(y)) | X.as_value(static_cast<uint32_t>(x)))};
return construct_cmd<struct GP0>(code, Y.as_value(static_cast<uint32_t>(y)) | X.as_value(static_cast<uint32_t>(x)));
}
};
static constexpr GP0_t QuickFill(GPU::Color24 color) {
return {(0x02 << 24) | color.raw()};
static constexpr struct GP0 QuickFill(GPU::Color24 color) {
return Helper::construct_cmd<struct GP0>(0x02, color.raw());
}
static constexpr GP0_t VRAM2VRAM_Blitting() {
return {(0b100u << 29)};
static constexpr struct GP0 VRAM2VRAM_Blitting() {
return Helper::construct_cmd<struct GP0>(0x80, 0);
}
static constexpr GP0_t CPU2VRAM_Blitting() {
return {(0b101u << 29)};
static constexpr struct GP0 CPU2VRAM_Blitting() {
return Helper::construct_cmd<struct GP0>(0xA0, 0);
}
static constexpr GP0_t TexPage(const GPU::PositionU16& page_pos, GPU::SemiTransparency transparency, GPU::TexturePageColor tex_color, bool dither, bool draw_on_display_area) {
static constexpr struct GP0 TexPage(const GPU::PositionU16& page_pos, GPU::SemiTransparency transparency, GPU::TexturePageColor tex_color, bool dither, bool draw_on_display_area) {
constexpr auto TexXRange = BitRange::from_to(0, 3);
constexpr auto TexYRange = BitRange::from_to(4, 4);
constexpr auto TransparencyRange = BitRange::from_to(5, 6);
@@ -109,79 +113,79 @@ namespace JabyEngine {
constexpr auto DitherBit = BitRange::from_to(9, 9);
constexpr auto DrawOnDisplayAreaBit = BitRange::from_to(10, 10);
return {Helper::construct_cmd(0xE1,
return Helper::construct_cmd<struct GP0>(0xE1,
TexXRange.as_value(page_pos.x >> 6) | TexYRange.as_value(page_pos.y >> 7) |
TransparencyRange.as_value(static_cast<uint32_t>(transparency)) | TextureColorRange.as_value(static_cast<uint32_t>(tex_color)) |
DitherBit.as_value(static_cast<uint32_t>(dither)) | DrawOnDisplayAreaBit.as_value(static_cast<uint32_t>(draw_on_display_area))
)};
);
}
static constexpr GP0_t DrawAreaTopLeft(const GPU::PositionU16& position) {
static constexpr struct GP0 DrawAreaTopLeft(const GPU::PositionU16& position) {
return Helper::DrawAreaTemplate(0xE3, position.x, position.y);
}
static constexpr GP0_t DrawAreaBottomRight(const GPU::PositionU16& position) {
static constexpr struct GP0 DrawAreaBottomRight(const GPU::PositionU16& position) {
return Helper::DrawAreaTemplate(0xE4, position.x, position.y);
}
static constexpr GP0_t SetDrawOffset(const GPU::PositionI16& offset) {
static constexpr struct GP0 SetDrawOffset(const GPU::PositionI16& offset) {
constexpr auto X = BitRange::from_to(0, 10);
constexpr auto Y = BitRange::from_to(11, 21);
return {Helper::construct_cmd(0xE5, X.as_value(static_cast<int32_t>(offset.x)) | Y.as_value(static_cast<int32_t>(offset.y)))};
return Helper::construct_cmd<struct GP0>(0xE5, X.as_value(static_cast<int32_t>(offset.x)) | Y.as_value(static_cast<int32_t>(offset.y)));
}
static constexpr GP0_t TopLeftPosition(const GPU::PositionU16& position) {
static constexpr struct GP0 TopLeftPosition(const GPU::PositionU16& position) {
return {(static_cast<uint32_t>(position.y) << 16u) | position.x};
}
static constexpr GP0_t WidthHeight(const GPU::SizeU16& size) {
static constexpr struct GP0 WidthHeight(const GPU::SizeU16& size) {
return {(static_cast<uint32_t>(size.height) << 16u) | size.width};
}
static constexpr GP1_t Reset() {
static constexpr struct GP1 Reset() {
return {0};
}
static constexpr GP1_t ResetCMDBufer() {
return {Helper::construct_cmd(0x01, 0)};
static constexpr struct GP1 ResetCMDBufer() {
return Helper::construct_cmd<struct GP1>(0x01, 0);
}
static constexpr GP1_t SetDisplayState(DisplayState state) {
return {Helper::construct_cmd(0x03, static_cast<uint32_t>(state))};
static constexpr struct GP1 SetDisplayState(DisplayState state) {
return Helper::construct_cmd<struct GP1>(0x03, static_cast<uint32_t>(state));
}
static constexpr GP1_t DMADirection(DMADirection dir) {
return {Helper::construct_cmd(0x04, static_cast<uint32_t>(dir))};
static constexpr struct GP1 DMADirection(DMADirection dir) {
return Helper::construct_cmd<struct GP1>(0x04, static_cast<uint32_t>(dir));
}
static constexpr GP1_t DisplayArea(const GPU::PositionU16& position) {
static constexpr struct GP1 DisplayArea(const GPU::PositionU16& position) {
constexpr auto X = BitRange::from_to(0, 9);
constexpr auto Y = BitRange::from_to(10, 18);
return {Helper::construct_cmd(0x05, X.as_value(static_cast<uint32_t>(position.x)) | Y.as_value(static_cast<uint32_t>(position.y)))};
return Helper::construct_cmd<struct GP1>(0x05, X.as_value(static_cast<uint32_t>(position.x)) | Y.as_value(static_cast<uint32_t>(position.y)));
}
static constexpr GP1_t HorizontalDisplayRange(uint16_t x1, uint16_t x2) {
static constexpr struct GP1 HorizontalDisplayRange(uint16_t x1, uint16_t x2) {
constexpr auto X1 = BitRange::from_to(0, 11);
constexpr auto X2 = BitRange::from_to(12, 23);
return {Helper::construct_cmd(0x06, X1.as_value(static_cast<uint32_t>(x1)) | X2.as_value(static_cast<uint32_t>(x2)))};
return Helper::construct_cmd<struct GP1>(0x06, X1.as_value(static_cast<uint32_t>(x1)) | X2.as_value(static_cast<uint32_t>(x2)));
}
static constexpr GP1_t VerticalDisplayRange(uint16_t y1, uint16_t y2) {
static constexpr struct GP1 VerticalDisplayRange(uint16_t y1, uint16_t y2) {
constexpr auto Y1 = BitRange::from_to(0, 9);
constexpr auto Y2 = BitRange::from_to(10, 19);
return {Helper::construct_cmd(0x07, Y1.as_value(static_cast<uint32_t>(y1)) | Y2.as_value(static_cast<uint32_t>(y2)))};
return Helper::construct_cmd<struct GP1>(0x07, Y1.as_value(static_cast<uint32_t>(y1)) | Y2.as_value(static_cast<uint32_t>(y2)));
}
static constexpr GP1_t DisplayMode(DisplayMode_t mode) {
return {Helper::construct_cmd(0x08, mode)};
static constexpr struct GP1 DisplayMode(DisplayMode mode) {
return Helper::construct_cmd<struct GP1>(0x08, mode.raw);
}
};
__declare_io_type(GPUSTAT, uint32_t,
__new_declare_io_value(GPUSTAT, uint32_t) {
static constexpr auto DrawingOddLinesInterlaced = Bit(31);
static constexpr auto DMADirectionValue = BitRange::from_to(29, 30);
static constexpr auto DMAReady = Bit(28);
@@ -208,15 +212,13 @@ namespace JabyEngine {
static constexpr auto VerticalResolution480 = Bit(19);
static constexpr auto TexturePageY256 = Bit(4);
);
};
typedef volatile uint32_t GPUREAD_v;
__new_declare_io_port(, GP0, 0x1F801810);
__new_declare_io_port(, GP1, 0x1F801814);
__declare_new_io_port(GP0, 0x1F801810);
__declare_new_io_port(GP1, 0x1F801814);
__declare_new_const_io_port(GPUREAD, 0x1F801810);
__declare_new_const_io_port(GPUSTAT, 0x1F801814);
__new_declare_io_port(const, GPUREAD, 0x1F801810);
__new_declare_io_port(const, GPUSTAT, 0x1F801814);
}
}
#endif //!__JABYENGINE_GPU_IO_HPP__