78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
// Public NTLite display ABI declarations shared between kernel, drivers, and user mode.
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#pragma once
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// display.h - display device DDI
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// Display providers register DISPLAY_DEVICE objects with the kernel display
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// manager. The boot framebuffer backend is registered by the kernel itself;
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// PCI/virtual GPU drivers register additional providers later.
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <ntlite/status.h>
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#ifndef DISPLAY_API
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#define DISPLAY_API __declspec(dllimport)
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#endif
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#include <ntlite/display.h>
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typedef struct DISPLAY_DEVICE DISPLAY_DEVICE;
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typedef struct DISPLAY_DEVICE_OPS {
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KSTATUS (*GetMode)(DISPLAY_DEVICE* device, DISPLAY_MODE* outMode);
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KSTATUS (*Blit)(DISPLAY_DEVICE* device,
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int32_t x, int32_t y, int32_t w, int32_t h,
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const uint32_t* pixels,
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uint32_t pitchBytes);
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KSTATUS (*PresentPitched)(DISPLAY_DEVICE* device,
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int32_t x, int32_t y, int32_t w, int32_t h,
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const uint32_t* pixels,
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uint32_t pitchBytes);
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KSTATUS (*FillRect)(DISPLAY_DEVICE* device,
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int32_t x, int32_t y, int32_t w, int32_t h,
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uint32_t color);
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KSTATUS (*CopyRect)(DISPLAY_DEVICE* device,
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int32_t dstX, int32_t dstY,
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int32_t srcX, int32_t srcY,
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int32_t w, int32_t h);
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KSTATUS (*ReadRect)(DISPLAY_DEVICE* device,
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int32_t x, int32_t y, int32_t w, int32_t h,
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uint32_t* outPixels, uint32_t outStride);
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KSTATUS (*Present)(DISPLAY_DEVICE* device,
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const DISPLAY_RECT* rects,
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size_t rectCount);
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KSTATUS (*Sync)(DISPLAY_DEVICE* device);
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KSTATUS (*SetCursorImage)(DISPLAY_DEVICE* device,
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int32_t width, int32_t height,
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int32_t hotX, int32_t hotY,
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const uint32_t* argbPixels);
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KSTATUS (*SetCursorPosition)(DISPLAY_DEVICE* device, int32_t x, int32_t y);
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KSTATUS (*ShowCursor)(DISPLAY_DEVICE* device, bool show);
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KSTATUS (*QueryStats)(DISPLAY_DEVICE* device, DISPLAY_STATS* outStats);
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} DISPLAY_DEVICE_OPS;
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struct DISPLAY_DEVICE {
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const char* Name;
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uint32_t Caps;
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void* DriverContext;
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const DISPLAY_DEVICE_OPS* Ops;
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DISPLAY_DEVICE* Next;
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};
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DISPLAY_API KSTATUS KeDisplayRegisterDevice(DISPLAY_DEVICE* device);
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DISPLAY_API KSTATUS KeDisplayUnregisterDevice(DISPLAY_DEVICE* device);
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DISPLAY_API KSTATUS KeDisplaySetPrimary(DISPLAY_DEVICE* device);
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DISPLAY_API void KeDisplayNotifyFrame(DISPLAY_DEVICE* device);
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