haiku/headers/os/add-ons/graphics/Accelerant.h

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/*
* Copyright 2009, Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _ACCELERANT_H_
#define _ACCELERANT_H_
#include <GraphicsDefs.h>
#include <OS.h>
#if defined(__cplusplus)
extern "C" {
#endif
#define B_ACCELERANT_ENTRY_POINT "get_accelerant_hook"
#define B_ACCELERANT_VERSION 1
typedef void* (*GetAccelerantHook)(uint32, void*);
void* get_accelerant_hook(uint32 feature, void* data);
enum {
/* initialization */
B_INIT_ACCELERANT = 0, /* required */
B_ACCELERANT_CLONE_INFO_SIZE, /* required */
B_GET_ACCELERANT_CLONE_INFO, /* required */
B_CLONE_ACCELERANT, /* required */
B_UNINIT_ACCELERANT, /* required */
B_GET_ACCELERANT_DEVICE_INFO, /* required */
B_ACCELERANT_RETRACE_SEMAPHORE, /* optional */
/* mode configuration */
B_ACCELERANT_MODE_COUNT = 0x100, /* required */
B_GET_MODE_LIST, /* required */
B_PROPOSE_DISPLAY_MODE, /* optional */
B_SET_DISPLAY_MODE, /* required */
B_GET_DISPLAY_MODE, /* required */
B_GET_FRAME_BUFFER_CONFIG, /* required */
B_GET_PIXEL_CLOCK_LIMITS, /* required */
B_GET_TIMING_CONSTRAINTS, /* optional */
B_MOVE_DISPLAY, /* optional */
B_SET_INDEXED_COLORS, /* required if driver supports 8bit */
/* indexed modes */
B_DPMS_CAPABILITIES, /* required if driver supports DPMS */
B_DPMS_MODE, /* required if driver supports DPMS */
B_SET_DPMS_MODE, /* required if driver supports DPMS */
B_GET_PREFERRED_DISPLAY_MODE, /* optional */
B_GET_MONITOR_INFO, /* optional */
B_GET_EDID_INFO, /* optional */
/* cursor managment */
B_MOVE_CURSOR = 0x200, /* optional */
B_SET_CURSOR_SHAPE, /* optional */
B_SHOW_CURSOR, /* optional */
/* synchronization */
B_ACCELERANT_ENGINE_COUNT = 0x300, /* required */
B_ACQUIRE_ENGINE, /* required */
B_RELEASE_ENGINE, /* required */
B_WAIT_ENGINE_IDLE, /* required */
B_GET_SYNC_TOKEN, /* required */
B_SYNC_TO_TOKEN, /* required */
/* 2D acceleration */
B_SCREEN_TO_SCREEN_BLIT = 0x400, /* optional */
B_FILL_RECTANGLE, /* optional */
B_INVERT_RECTANGLE, /* optional */
B_FILL_SPAN, /* optional */
B_SCREEN_TO_SCREEN_TRANSPARENT_BLIT, /* optional */
B_SCREEN_TO_SCREEN_SCALED_FILTERED_BLIT, /* optional.
NOTE: source and dest may NOT overlap */
/* 3D acceleration */
B_ACCELERANT_PRIVATE_START = (int)0x80000000
};
typedef struct {
uint32 version; /* structure version number */
char name[32]; /* a name the user will recognize */
/* the device by */
char chipset[32]; /* the chipset used by the device */
char serial_no[32]; /* serial number for the device */
uint32 memory; /* amount of memory on the device, */
/* in bytes */
uint32 dac_speed; /* nominal DAC speed, in MHz */
} accelerant_device_info;
typedef struct {
uint32 pixel_clock; /* kHz */
uint16 h_display; /* in pixels (not character clocks) */
uint16 h_sync_start;
uint16 h_sync_end;
uint16 h_total;
uint16 v_display; /* in lines */
uint16 v_sync_start;
uint16 v_sync_end;
uint16 v_total;
uint32 flags; /* sync polarity, etc. */
} display_timing;
typedef struct {
display_timing timing; /* CTRC info */
uint32 space; /* pixel configuration */
uint16 virtual_width; /* in pixels */
uint16 virtual_height; /* in lines */
uint16 h_display_start; /* first displayed pixel in line */
uint16 v_display_start; /* first displayed line */
uint32 flags; /* mode flags (Some drivers use this */
/* for dual head related options.) */
} display_mode;
typedef struct {
void* frame_buffer; /* pointer to first byte of frame */
/* buffer in virtual memory */
void* frame_buffer_dma; /* pointer to first byte of frame */
/* buffer in physical memory for DMA */
uint32 bytes_per_row; /* number of bytes in one */
/* virtual_width line */
/* not neccesarily the same as */
/* virtual_width * byte_per_pixel */
} frame_buffer_config;
typedef struct {
uint16 h_res; /* minimum effective change in */
/* horizontal pixels, usually 8 */
uint16 h_sync_min; /* min/max horizontal sync pulse */
/* width in pixels, a multiple of */
/* h_res */
uint16 h_sync_max;
uint16 h_blank_min; /* min/max horizontal blank pulse */
/* width in pixels, a multiple of */
/* h_res */
uint16 h_blank_max;
uint16 v_res; /* minimum effective change in */
/* vertical lines, usually 1 */
uint16 v_sync_min; /* min/max vertical sync pulse */
/* width in lines, a multiple of */
/* v_res */
uint16 v_sync_max;
uint16 v_blank_min; /* min/max vertical blank pulse */
/* width in linex, a multiple of */
/* v_res */
uint16 v_blank_max;
} display_timing_constraints;
// WARNING: This is experimental new Haiku API
typedef struct {
uint32 version;
char vendor[128];
char name[128];
char serial_number[128];
uint32 product_id;
struct {
uint16 week;
uint16 year;
} produced;
float width;
float height;
uint32 min_horizontal_frequency; /* in kHz */
uint32 max_horizontal_frequency;
uint32 min_vertical_frequency; /* in Hz */
uint32 max_vertical_frequency;
uint32 max_pixel_clock; /* in kHz */
} monitor_info;
/* mode flags */
enum {
B_SCROLL = 1 << 0,
B_8_BIT_DAC = 1 << 1,
B_HARDWARE_CURSOR = 1 << 2,
B_PARALLEL_ACCESS = 1 << 3,
B_DPMS = 1 << 4,
B_IO_FB_NA = 1 << 5
};
/* power saver flags */
enum {
B_DPMS_ON = 1 << 0,
B_DPMS_STAND_BY = 1 << 1,
B_DPMS_SUSPEND = 1 << 2,
B_DPMS_OFF = 1 << 3
};
/* timing flags */
enum {
B_BLANK_PEDESTAL = 1 << 27,
B_TIMING_INTERLACED = 1 << 28,
B_POSITIVE_HSYNC = 1 << 29,
B_POSITIVE_VSYNC = 1 << 30,
B_SYNC_ON_GREEN = 1 << 31
};
typedef struct {
uint16 src_left; /* guaranteed constrained to */
/* virtual width and height */
uint16 src_top;
uint16 dest_left;
uint16 dest_top;
uint16 width; /* 0 to N, where zero means */
/* one pixel, one means two pixels, */
/* etc. */
uint16 height; /* 0 to M, where zero means one */
/* line, one means two lines, etc. */
} blit_params;
typedef struct {
uint16 src_left; /* guaranteed constrained to */
/* virtual width and height */
uint16 src_top;
uint16 src_width; /* 0 to N, where zero means one */
/* pixel, one means two pixels, */
/* etc. */
uint16 src_height; /* 0 to M, where zero means one */
/* line, one means two lines, etc. */
uint16 dest_left;
uint16 dest_top;
uint16 dest_width; /* 0 to N, where zero means one */
/* pixel, one means two pixels, etc. */
uint16 dest_height; /* 0 to M, where zero means one */
/* line, one means two lines, etc. */
} scaled_blit_params;
typedef struct {
uint16 left; /* guaranteed constrained to */
/* virtual width and height */
uint16 top;
uint16 right;
uint16 bottom;
} fill_rect_params;
typedef struct {
uint32 engine_id; /* 0 == no engine, 1,2,3 etc */
/* individual engines */
uint32 capability_mask; /* features this engine supports */
void* opaque; /* optional pointer to engine */
/* private storage */
} engine_token;
enum { /* engine capabilities */
B_2D_ACCELERATION = 1 << 0,
B_3D_ACCELERATION = 1 << 1
};
typedef struct {
uint64 counter; /* counts issued primatives */
uint32 engine_id; /* what engine the counter is for */
char opaque[12]; /* 12 bytes of private storage */
} sync_token;
/* Masks for color info */
/* B_CMAP8 - 0x000000ff */
/* B_RGB15/16 - 0x0000ffff */
/* B_RGB24 - 0x00ffffff */
/* B_RGB32 - 0xffffffff */
typedef status_t (*init_accelerant)(int fd);
typedef ssize_t (*accelerant_clone_info_size)(void);
typedef void (*get_accelerant_clone_info)(void* data);
typedef status_t (*clone_accelerant)(void* data);
typedef void (*uninit_accelerant)(void);
typedef status_t (*get_accelerant_device_info)(accelerant_device_info* adi);
typedef uint32 (*accelerant_mode_count)(void);
typedef status_t (*get_mode_list)(display_mode*);
typedef status_t (*propose_display_mode)(display_mode* target,
display_mode* low, display_mode* high);
typedef status_t (*set_display_mode)(display_mode* mode_to_set);
typedef status_t (*get_display_mode)(display_mode* current_mode);
typedef status_t (*get_frame_buffer_config)(frame_buffer_config*
a_frame_buffer);
typedef status_t (*get_pixel_clock_limits)(display_mode* dm, uint32* low,
uint32* high);
typedef status_t (*move_display_area)(uint16 h_display_start,
uint16 v_display_start);
typedef status_t (*get_timing_constraints)(display_timing_constraints* dtc);
typedef void (*set_indexed_colors)(uint count, uint8 first, uint8* color_data,
uint32 flags);
typedef uint32 (*dpms_capabilities)(void);
typedef uint32 (*dpms_mode)(void);
typedef status_t (*set_dpms_mode)(uint32 dpms_flags);
typedef status_t (*get_preferred_display_mode)(display_mode* preferredMode);
typedef status_t (*get_monitor_info)(monitor_info* info);
typedef status_t (*get_edid_info)(void* info, uint32 size, uint32* _version);
typedef sem_id (*accelerant_retrace_semaphore)(void);
typedef status_t (*set_cursor_shape)(uint16 width, uint16 height,
uint16 hot_x, uint16 hot_y, uint8* andMask, uint8* xorMask);
typedef void (*move_cursor)(uint16 x, uint16 y);
typedef void (*show_cursor)(bool is_visible);
typedef uint32 (*accelerant_engine_count)(void);
typedef status_t (*acquire_engine)(uint32 capabilities, uint32 max_wait,
sync_token* st, engine_token** et);
typedef status_t (*release_engine)(engine_token* et, sync_token* st);
typedef void (*wait_engine_idle)(void);
typedef status_t (*get_sync_token)(engine_token* et, sync_token* st);
typedef status_t (*sync_to_token)(sync_token* st);
typedef void (*screen_to_screen_blit)(engine_token* et, blit_params* list,
uint32 count);
typedef void (*fill_rectangle)(engine_token* et, uint32 color,
fill_rect_params* list, uint32 count);
typedef void (*invert_rectangle)(engine_token* et, fill_rect_params* list,
uint32 count);
typedef void (*screen_to_screen_transparent_blit)(engine_token* et,
uint32 transparent_color, blit_params* list, uint32 count);
typedef void (*screen_to_screen_scaled_filtered_blit)(engine_token* et,
scaled_blit_params* list, uint32 count);
typedef void (*fill_span)(engine_token* et, uint32 color, uint16* list,
uint32 count);
/*
The uint16* list points to a list of tripples:
list[N+0] Y co-ordinate of span
list[N+1] Left x co-ordinate of span
list[N+2] Right x co-ordinate of span
where N is in the range 0 to count-1.
*/
#if defined(__cplusplus)
}
#endif
#endif