68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
#pragma once
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// display.h - display device DDI
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//
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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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int x, int y, int w, int h,
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const uint32_t* pixels);
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KSTATUS (*FillRect)(DISPLAY_DEVICE* device,
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int x, int y, int w, int h,
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uint32_t color);
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KSTATUS (*CopyRect)(DISPLAY_DEVICE* device,
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int dstX, int dstY,
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int srcX, int srcY,
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int w, int h);
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KSTATUS (*ReadRect)(DISPLAY_DEVICE* device,
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int x, int y, int w, int 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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int width, int height,
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int hotX, int hotY,
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const uint32_t* argbPixels);
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KSTATUS (*SetCursorPosition)(DISPLAY_DEVICE* device, int x, int 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 KeDisplaySetPrimary(DISPLAY_DEVICE* device);
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