/* Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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*/
#ifndef __c2d2_h_
#define __c2d2_h_
#ifdef __cplusplus
extern "C" {
#endif
#ifndef C2D_API
#define C2D_API /* define API export as needed */
#endif
#if !defined(int32) && !defined(_INT32_DEFINED)
typedef int int32;
#define _INT32_DEFINED
#endif
#if !defined(uint32) && !defined(_UINT32_DEFINED)
typedef unsigned int uint32;
#define _UINT32_DEFINED
#endif
/*****************************************************************************/
/*********************** Blit definitions *****************************/
/*****************************************************************************/
/* Status codes, returned by any blit function */
typedef enum {
C2D_STATUS_OK = 0,
C2D_STATUS_NOT_SUPPORTED = 1,
C2D_STATUS_OUT_OF_MEMORY = 2,
C2D_STATUS_INVALID_PARAM = 3,
C2D_STATUS_SURFACE_IN_USE = 4,
} C2D_STATUS;
/* Definitions of color format modes, used together with color formats */
typedef enum {
C2D_FORMAT_PACK_INTO_32BIT = (1 << 8), /* pack into dword if set */
C2D_FORMAT_SWAP_ENDIANNESS = (1 << 9), /* swaps the order */
C2D_FORMAT_LINEAR_SPACE = (1 << 10), /* linear color space */
C2D_FORMAT_PREMULTIPLIED = (1 << 11), /* alpha premultiplied */
C2D_FORMAT_INVERT_ALPHA = (1 << 12), /* inverts alpha */
C2D_FORMAT_DISABLE_ALPHA = (1 << 13), /* disables alpha */
C2D_FORMAT_INTERLACED = (1 << 14), /* YUV line-interlaced */
C2D_FORMAT_TRANSPARENT = (1 << 15), /* YUV 1-bit alpha in Y */
C2D_FORMAT_MACROTILED = (1 << 16), /* tiled in macro level */
C2D_FORMAT_TILED_4x4 = (1 << 17), /* 4x4 tiled format */
C2D_FORMAT_SWAP_RB = (1 << 18), /* Swap R & B color components */
C2D_FORMAT_UBWC_COMPRESSED = (1 << 23), /* UBWC compressed format */
} C2D_FORMAT_MODE;
/* Definitions of supported RGB formats, used in C2D_RGB_SURFACE_DEF.
* The bits of each color channel are packed into a machine word
* representing a single pixel from left to right (MSB to LSB) in the
* order indicated by format name. For the sub-byte formats the pixels
* are packed into bytes from left to right (MSbit to LSBit).
* If the C2D_FORMAT_PACK_INTO_32BIT bit is set, the minimal
* machine word used for pixel storage is 32-bit and the whole word
* is reversed if endianness is swapped.
* If the C2D_FORMAT_SWAP_ENDIANNESS bit is set, the order within a
* minimal machine word representing a pixel
* is reversed for both sub-byte and multi-byte formats.
* If the C2D_FORMAT_LINEAR_SPACE bit is set, the color space of
* the formats below is considered linear, if applicable.
* If the C2D_FORMAT_PREMULTIPLIED bit is set, the color channels
* are premultiplied with the alpha, if applicable.
* If the C2D_FORMAT_INVERT_ALPHA bit is set, the alpha interpretation
* is inverted: 0 - opaque, 1 - transparent, if applicable.
* If the C2D_FORMAT_DISABLE_ALPHA bit is set, the alpha channel serves
* as a placeholder and is ignored during blit, if applicable.
* If the C2D_FORMAT_MACROTILED bit is set, the surface is in the
* tiled format : 64x32 for 8bpp, 32x32 for 16bpp formats */
typedef enum {
C2D_COLOR_FORMAT_1 = 0, /* 1-bit alpha/color expansion */
C2D_COLOR_FORMAT_2_PALETTE = 1, /* 2-bit indices for palette */
C2D_COLOR_FORMAT_4_PALETTE = 2, /* 4-bit indices for palette */
C2D_COLOR_FORMAT_8_PALETTE = 3, /* 8-bit indices for palette */
C2D_COLOR_FORMAT_2_L = 4, /* 2-bit grayscale */
C2D_COLOR_FORMAT_4_L = 5, /* 4-bit grayscale */
C2D_COLOR_FORMAT_8_L = 6, /* 8-bit grayscale */
C2D_COLOR_FORMAT_2_A = 7, /* 2-bit alpha only */
C2D_COLOR_FORMAT_4_A = 8, /* 4-bit alpha only */
C2D_COLOR_FORMAT_8_A = 9, /* 8-bit alpha only */
C2D_COLOR_FORMAT_444_RGB = 10, /* 12-bit colors */
C2D_COLOR_FORMAT_565_RGB = 11, /* 16-bit colors */
C2D_COLOR_FORMAT_888_RGB = 12, /* 24-bit colors */
C2D_COLOR_FORMAT_1555_ARGB = 13, /* 16-bit colors (1-bit alpha) */
C2D_COLOR_FORMAT_4444_ARGB = 14, /* 16-bit colors (4-bit alpha) */
C2D_COLOR_FORMAT_8565_ARGB = 15, /* 24-bit colors (8-bit alpha) */
C2D_COLOR_FORMAT_8888_ARGB = 16, /* 32-bit colors (8-bit alpha) */
C2D_COLOR_FORMAT_5551_RGBA = 17, /* 16-bit colors (1-bit alpha) */
C2D_COLOR_FORMAT_4444_RGBA = 18, /* 16-bit colors (4-bit alpha) */
C2D_COLOR_FORMAT_5658_RGBA = 19, /* 24-bit colors (8-bit alpha) */
C2D_COLOR_FORMAT_8888_RGBA = 20, /* 32-bit colors (8-bit alpha) */
/* derived RGB color formats (base format + mode bits) */
} C2D_RGB_FORMAT;
/* Definitions of supported YUV formats, used in C2D_YUV_SURFACE_DEF.
* Each of Y,U,V channels usually takes 1 byte and therefore is
* individually addressable. The definitions below show how Y,U,V
* channels are packed into macropixels for each particular format.
* The order is from left (smaller byte addresses) to right (larger
* byte addresses). The first three digits (4xx) denote the chroma
* subsampling in standard YUV notation. The digits in the macropixel
* denote that the whole block (from the previous digit or from the
* beginning) has to be repeated the number of times. Underscores
* between Y,U,V channels are used to describe separate planes for
* planar YUV formats. Formats are mapped to numbers so that future
* versions with various YUV permutations are easy to add.
* If the C2D_FORMAT_INTERLACED bit is set, the line order is
* interlaced: 0,2,4,...1,3,5... if applicable.
* If the C2D_FORMAT_TRANSPARENT bit is set, the least significant
* bit of Y channel serves as alpha: 0 - transparent, 1 - opaque. */
typedef enum {
C2D_COLOR_FORMAT_411_YYUYYV = 110, /* packed, 12-bit */
C2D_COLOR_FORMAT_411_YUYYVY = 111, /* packed, 12-bit */
C2D_COLOR_FORMAT_411_UYYVYY = 112, /* packed, 12-bit, "Y411" */
C2D_COLOR_FORMAT_411_YUYV2Y4 = 116, /* packed, 12-bit */
C2D_COLOR_FORMAT_411_UYVY2Y4 = 117, /* packed, 12-bit, "Y41P" */
C2D_COLOR_FORMAT_422_YUYV = 120, /* packed, 16-bit, "YUY2" */
C2D_COLOR_FORMAT_422_UYVY = 121, /* packed, 16-bit, "UYVY" */
C2D_COLOR_FORMAT_422_YVYU = 122, /* packed, 16-bit, "YVYU" */
C2D_COLOR_FORMAT_422_VYUY = 123, /* packed, 16-bit */
C2D_COLOR_FORMAT_444_YUV = 130, /* packed, 24-bit */
C2D_COLOR_FORMAT_444_UYV = 131, /* packed, 24-bit, "IYU2" */
C2D_COLOR_FORMAT_444_AYUV = 136, /* packed, 24-bit, "AYUV" */
C2D_COLOR_FORMAT_410_Y_UV = 150, /* planar, Y + interleaved UV */
C2D_COLOR_FORMAT_411_Y_UV = 151, /* planar, Y + interleaved UV */
C2D_COLOR_FORMAT_420_Y_UV = 152, /* planar, Y + interleaved UV */
C2D_COLOR_FORMAT_422_Y_UV = 153, /* planar, Y + interleaved UV */
C2D_COLOR_FORMAT_444_Y_UV = 154, /* planar, Y + interleaved UV */
C2D_COLOR_FORMAT_410_Y_VU = 160, /* planar, Y + interleaved VU */
C2D_COLOR_FORMAT_411_Y_VU = 161, /* planar, Y + interleaved VU */
C2D_COLOR_FORMAT_420_Y_VU = 162, /* planar, Y + interleaved VU */
C2D_COLOR_FORMAT_422_Y_VU = 163, /* planar, Y + interleaved VU */
C2D_COLOR_FORMAT_444_Y_VU = 164, /* planar, Y + interleaved VU */
C2D_COLOR_FORMAT_410_Y_U_V = 170, /* planar, Y + U + V separate */
C2D_COLOR_FORMAT_411_Y_U_V = 171, /* planar, Y + U + V separate */
C2D_COLOR_FORMAT_420_Y_V_U = 172, /* planar, Y + V + U separate */
C2D_COLOR_FORMAT_420_Y_U_V = 173, /* planar, Y + U + V separate */
C2D_COLOR_FORMAT_422_Y_U_V = 174, /* planar, Y + U + V separate */
C2D_COLOR_FORMAT_444_Y_U_V = 175, /* planar, Y + U + V separate */
C2D_COLOR_FORMAT_800_Y = 190, /* planar, Y only, grayscale */
/* derived YUV color formats (base format + mode bits), FOURCC */
C2D_COLOR_FORMAT_411_Y411 = 112,
C2D_COLOR_FORMAT_411_Y41P = 117,
C2D_COLOR_FORMAT_411_IY41 = 117 | (1 << 14),
C2D_COLOR_FORMAT_411_Y41T = 117 | (1 << 15),
C2D_COLOR_FORMAT_422_YUY2 = 120,
C2D_COLOR_FORMAT_422_IUYV = 121 | (1 << 14),
C2D_COLOR_FORMAT_422_Y42T = 121 | (1 << 15),
C2D_COLOR_FORMAT_444_IYU2 = 131,
C2D_COLOR_FORMAT_420_NV12 = 152,
C2D_COLOR_FORMAT_420_NV21 = 162,
C2D_COLOR_FORMAT_410_YUV9 = 170,
C2D_COLOR_FORMAT_410_YVU9 = 170,
C2D_COLOR_FORMAT_411_Y41B = 171,
C2D_COLOR_FORMAT_420_YV12 = 172,
C2D_COLOR_FORMAT_420_IYUV = 173,
C2D_COLOR_FORMAT_420_I420 = 173,
C2D_COLOR_FORMAT_422_YV16 = 174,
C2D_COLOR_FORMAT_422_Y42B = 174,
C2D_COLOR_FORMAT_800_Y800 = 190,
} C2D_YUV_FORMAT;
/* Configuration bits, used in the config_mask field of C2D_OBJECT struct */
typedef enum {
C2D_SOURCE_RECT_BIT = (1 << 0), /* enables source_rect field */
C2D_MIRROR_H_BIT = (1 << 1), /* enables horizontal flipping */
C2D_MIRROR_V_BIT = (1 << 2), /* enables vertical flipping */
C2D_SOURCE_TILE_BIT = (1 << 3), /* enables source surface tiling */
C2D_TARGET_RECT_BIT = (1 << 4), /* enables target_rect field */
C2D_ROTATE_BIT = (1 << 5), /* enables all rotation fields */
C2D_SCISSOR_RECT_BIT = (1 << 6), /* enables scissor_rect field */
C2D_MASK_SURFACE_BIT = (1 << 7), /* enables mask_surface_id field */
C2D_MASK_ALIGN_BIT = (1 << 8), /* aligns mask to source_rect */
C2D_MASK_SCALE_BIT = (1 << 9), /* enables mask surface scaling */
C2D_MASK_TILE_BIT = (1 << 10), /* enables mask surface tiling */
C2D_GLOBAL_ALPHA_BIT = (1 << 11), /* enables global_alpha field */
C2D_COLOR_KEY_BIT = (1 << 12), /* enables color_key field */
C2D_NO_PIXEL_ALPHA_BIT = (1 << 13), /* disables source alpha channel */
C2D_NO_BILINEAR_BIT = (1 << 14), /* disables bilinear on scaling */
C2D_NO_ANTIALIASING_BIT = (1 << 15), /* disables antialiasing on edges */
C2D_DRAW_LINE_BIT = (1 << 16), /* enables line drawing with source rectangle */
C2D_DRAW_LINE_NOLAST = (1 << 17), /* disable last pixel draw for line */
} C2D_SOURCE_CONFIG;
/* Target configuration bits, defines rotation + mirroring.
* Mirror is applied prior to rotation if enabled. */
typedef enum {
C2D_TARGET_MIRROR_H = (1 << 0), /* horizontal flip */
C2D_TARGET_MIRROR_V = (1 << 1), /* vertical flip */
C2D_TARGET_ROTATE_0 = (0 << 2), /* no rotation */
C2D_TARGET_ROTATE_90 = (1 << 2), /* 90 degree rotation */
C2D_TARGET_ROTATE_180 = (2 << 2), /* 180 degree rotation */
C2D_TARGET_ROTATE_270 = (3 << 2), /* 270 degree rotation, 90 + 180 */
C2D_TARGET_MASK_ALIGN = (1 << 4), /* aligns mask to target scissor */
C2D_TARGET_MASK_SCALE = (1 << 5), /* enables mask scaling */
C2D_TARGET_MASK_TILE = (1 << 6), /* enables mask tiling */
C2D_TARGET_COLOR_KEY = (1 << 7), /* enables target_color_key */
C2D_TARGET_NO_PIXEL_ALPHA = (1 << 8), /* disables target alpha channel */
} C2D_TARGET_CONFIG;
#define C2D_TARGET_ROTATION_MASK (C2D_TARGET_ROTATE_90*3)
/* Additional blend modes, can be used with both source and target configs.
If none of the below is set, the default "SRC over DST" is applied. */
typedef enum {
C2D_ALPHA_BLEND_SRC_OVER = (0 << 20), /* Default, Porter-Duff "SRC over DST" */
C2D_ALPHA_BLEND_SRC = (1 << 20), /* Porter-Duff "SRC" */
C2D_ALPHA_BLEND_SRC_IN = (2 << 20), /* Porter-Duff "SRC in DST" */
C2D_ALPHA_BLEND_DST_IN = (3 << 20), /* Porter-Duff "DST in SRC" */
C2D_ALPHA_BLEND_SRC_OUT = (4 << 20), /* Porter-Duff "SRC out DST" */
C2D_ALPHA_BLEND_DST_OUT = (5 << 20), /* Porter-Duff "DST out SRC" */
C2D_ALPHA_BLEND_DST_OVER = (6 << 20), /* Porter-Duff "DST over SRC" */
C2D_ALPHA_BLEND_SRC_ATOP = (7 << 20), /* Porter-Duff "SRC ATOP" */
C2D_ALPHA_BLEND_DST_ATOP = (8 << 20), /* Porter-Duff "DST ATOP" */
C2D_ALPHA_BLEND_XOR = (9 << 20), /* Xor */
C2D_ALPHA_BLEND_MULTIPLY = (10 << 20), /* OpenVG "MULTIPLY" */
C2D_ALPHA_BLEND_SCREEN = (11 << 20), /* OpenVG "SCREEN" */
C2D_ALPHA_BLEND_DARKEN = (12 << 20), /* OpenVG "DARKEN" */
C2D_ALPHA_BLEND_LIGHTEN = (13 << 20), /* OpenVG "LIGHTEN" */
C2D_ALPHA_BLEND_ADDITIVE = (14 << 20), /* OpenVG "ADDITIVE" */
C2D_ALPHA_BLEND_DIRECT = (15 << 20), /* Direct alpha blitting */
C2D_ALPHA_BLEND_INVERTC = (16 << 20), /* Invert color */
C2D_ALPHA_BLEND_NONE = (1 << 25), /* disables alpha blending */
} C2D_ALPHA_BLEND_MODE;
/* Configuration bits, used in the config_mask field of C2D_OBJECT struct */
typedef enum {
C2D_OVERRIDE_GLOBAL_TARGET_ROTATE_CONFIG = (1 << 27), /* Overrides TARGET Config */
C2D_OVERRIDE_TARGET_ROTATE_0 = (0 << 28), /* no rotation */
C2D_OVERRIDE_TARGET_ROTATE_90 = (1 << 28), /* 90 degree rotation */
C2D_OVERRIDE_TARGET_ROTATE_180 = (2 << 28), /* 180 degree rotation */
C2D_OVERRIDE_TARGET_ROTATE_270 = (3 << 28), /* 270 degree rotation */
} C2D_SOURCE_TARGET_CONFIG;
#define C2D_OVERRIDE_SOURCE_CONFIG_TARGET_ROTATION_SHIFT_MASK 28
#define C2D_OVERRIDE_TARGET_CONFIG_TARGET_ROTATION_SHIFT_MASK 2
/* Surface caps enumeration */
typedef enum {
C2D_SOURCE = (1 << 0), /* allows to use as a source */
C2D_TARGET = (1 << 1), /* allows to use as a target */
C2D_MASK = (1 << 2), /* allows to use as a mask */
C2D_PALETTE = (1 << 3), /* allows to use as a palette */
} C2D_SURFACE_BITS;
/* Surface type enumeration */
typedef enum {
C2D_SURFACE_RGB_HOST = 1, /* Host memory RGB surface */
C2D_SURFACE_RGB_EXT = 2, /* External memory RGB surface */
C2D_SURFACE_YUV_HOST = 3, /* Host memory YUV surface */
C2D_SURFACE_YUV_EXT = 4, /* External memory YUV surface */
C2D_SURFACE_WITH_PHYS = (1<<3), /* physical address already mapped */
/* this bit is valid with HOST types */
C2D_SURFACE_WITH_PHYS_DUMMY = (1<<4), /* physical address already mapped */
/* this bit is valid with HOST types */
} C2D_SURFACE_TYPE;
/* Structure for registering a RGB buffer as a blit surface */
typedef struct {
uint32 format; /* RGB color format plus additional mode bits */
uint32 width; /* defines width in pixels */
uint32 height; /* defines height in pixels */
void *buffer; /* pointer to the RGB buffer */
void *phys; /* physical address */
int32 stride; /* defines stride in bytes, negative stride is allowed */
} C2D_RGB_SURFACE_DEF;
/* Structure for registering a YUV plane(s) as a blit surface */
typedef struct {
uint32 format; /* YUV color format plus additional mode bits */
uint32 width; /* defines width in pixels */
uint32 height; /* defines height in pixels */
void *plane0; /* holds the whole buffer if YUV format is not planar */
void *phys0; /* physical address */
int32 stride0; /* stride in bytes if YUV format is not planar */
void *plane1; /* holds UV or VU plane for planar interleaved */
void *phys1; /* physical address */
int32 stride1; /* stride for UV or VU plane for planar interleaved */
void *plane2; /* holds the 3. plane, ignored if YUV format is not planar */
void *phys2; /* physical address */
int32 stride2; /* stride for the 3. plane, ignored if YUV format is not planar */
} C2D_YUV_SURFACE_DEF;
/* Rectangle definition */
typedef struct {
int32 x; /* upper-left x */
int32 y; /* upper-left y */
int32 width; /* width */
int32 height; /* height */
} C2D_RECT;
/* C2D_OBJECT encapsulates the blit parameters for a source surface.
* The fg_color defines color in target format for bits equal to 1
* in the source C2D_COLOR_FORMAT_1 format. It also defines rendering
* color for all alpha-only source formats. If the surface_id is 0
* the fg_color defines a constant fill color used instead of the surface.
* The bg_color defines color in target format for bits equal to 0
* in the source C2D_COLOR_FORMAT_1 format, otherwise both are ignored.
* The palette_id is used for all palette source formats, otherwise ignored.
* The source_rect first defines the content of the source surface,
* it is then horizontally/vertically flipped if C2D_MIRROR_*_BIT is set,
* then scaled with bilinear interpolation to exactly fit target_rect
* or repeated across target_rect if C2D_SOURCE_TILE_BIT is set,
* target_rect is then rotated clockwise by an arbitrary angle in degrees
* around the rot_orig_x/y, defined relative to target_rect's top left point,
* and then clipped to scissor_rect defined in target coordinate system.
* Finally alpha blending is applied before pixels get written into the target.
* Surface's pixel alpha is combined with mask alpha and with global alpha.
* Mask surface follows all transformations applied to the source surface.
* Source color key defines transparent color, applied together with alpha. */
typedef struct C2D_OBJECT_STR {
uint32 surface_id; /* source surface */
uint32 fg_color; /* foreground color */
uint32 bg_color; /* background color */
uint32 palette_id; /* one-dimensional horizontal palette surface */
uint32 config_mask; /* defines which fields below are enabled */
C2D_RECT source_rect; /* region of the source surface, 16.16 fp */
C2D_RECT target_rect; /* position and scaling in target, 16.16 fp */
int32 rot_orig_x; /* rotation origin relative to target_rect's... */
int32 rot_orig_y; /* ...top left point, both are 16.16 fp */
int32 rotation; /* clock-wise rotation in degrees, 16.16 fp */
C2D_RECT scissor_rect; /* defines the clip rectangle in target surface */
uint32 mask_surface_id; /* source alpha-mask surface */
uint32 global_alpha; /* 0 = fully transparent, 255 = fully opaque */
uint32 color_key; /* transparent color for the source surface */
struct C2D_OBJECT_STR *next; /* pointer to the next object or NULL */
} C2D_OBJECT;
/* Configuration bits, driver capabilities used by 2Dapplications */
typedef enum {
C2D_DRIVER_SUPPORTS_GLOBAL_ALPHA_OP = (1 << 0),
C2D_DRIVER_SUPPORTS_TILE_OP = (1 << 1),
C2D_DRIVER_SUPPORTS_COLOR_KEY_OP = (1 << 2),
C2D_DRIVER_SUPPORTS_NO_PIXEL_ALPHA_OP = (1 << 3),
C2D_DRIVER_SUPPORTS_TARGET_ROTATE_OP = (1 << 4),
C2D_DRIVER_SUPPORTS_ANTI_ALIASING_OP = (1 << 5), /* antialiasing */
C2D_DRIVER_SUPPORTS_BILINEAR_FILTER_OP = (1 << 6),
C2D_DRIVER_SUPPORTS_LENS_CORRECTION_OP = (1 << 7),
C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP = (1 << 8),
C2D_DRIVER_SUPPORTS_SHADER_BLOB_OP = (1 << 9),
C2D_DRIVER_SUPPORTS_MASK_SURFACE_OP = (1 << 10), /* mask surface */
C2D_DRIVER_SUPPORTS_MIRROR_H_OP = (1 << 11), /* horizontal flip */
C2D_DRIVER_SUPPORTS_MIRROR_V_OP = (1 << 12), /* vertical flip */
C2D_DRIVER_SUPPORTS_SCISSOR_RECT_OP = (1 << 13),
C2D_DRIVER_SUPPORTS_SOURCE_RECT_OP = (1 << 14),
C2D_DRIVER_SUPPORTS_TARGET_RECT_OP = (1 << 15),
C2D_DRIVER_SUPPORTS_ROTATE_OP = (1 << 16), /* all rotations */
C2D_DRIVER_SUPPORTS_FLUSH_WITH_FENCE_FD_OP = (1 << 17), /* all rotations */
C2D_DRIVER_SUPPORTS_UBWC_COMPRESSED_OP = (1 << 18), /* UBWC Compression */
C2D_DRIVER_SUPPORTS_ALL_CAPABILITIES_OP = ((0xFFFFFFFF) >> (31 - 18)) /* mask for all capabilities supported */
} C2D_DRIVER_CAPABILITIES;
/* 2D driver workaround bits used by the 2D applications */
typedef enum {
C2D_DRIVER_WORKAROUND_NONE = 0, /* NO workaround */
C2D_DRIVER_WORKAROUND_SWAP_UV_FOR_YUV_TARGET = (1 << 0), /* Swap UV when this flag set */
} C2D_DRIVER_WORKAROUND;
/* Structure to query Driver information */
typedef struct {
uint32 capabilities_mask;
uint32 workaround_mask;
uint32 reserved1;
uint32 reserved2;
uint32 reserved3;
} C2D_DRIVER_INFO;
/* Structure to query Driver information */
typedef struct {
uint32 max_surface_template_needed;
uint32 reserved1;
uint32 reserved2;
uint32 reserved3;
} C2D_DRIVER_SETUP_INFO;
/*****************************************************************************/
/**************************** C2D API 2.0 ********************************/
/*****************************************************************************/
/******************************************************************************
* Functions to create/destroy surfaces */
/* Creates a generic blit surface according to its type.
* Pass a combination of desired surface bits according to planned usage.
* Accepted values for surface_bits may include bits from C2D_SURFACE_BITS,
* and also from C2D_DISPLAY for compatibility with HW display controller.
* For host memory types the memory is preallocated outside the API
* and should remain valid until surface is destroyed.
* For external memory types the memory is allocated within API.
* On success, the non-zero surface identifier is returned.
* All numbers greater that 0 are valid surface identifiers, 0 is invalid.
* Host memory RGB surface:
* surface_type = C2D_SURFACE_RGB_HOST
* surface_definition = C2D_RGB_SURFACE_DEF
* all fields in definition structure should be set
* External memory RGB surface:
* surface_type = C2D_SURFACE_RGB_EXT
* surface_definition = C2D_RGB_SURFACE_DEF
* buffer field in definition structure is ignored
* Host memory YUV surface:
* surface_type = C2D_SURFACE_YUV_HOST
* surface_definition = C2D_YUV_SURFACE_DEF
* one or all plane and stride fields in definition structure
* should be set depending on whether the format is planar or not
* External memory YUV surface:
* surface_type = C2D_SURFACE_YUV_EXT
* surface_definition = C2D_YUV_SURFACE_DEF
* all plane and stride fields in definition structure are ignored */
C2D_API C2D_STATUS c2dCreateSurface( uint32 *surface_id,
uint32 surface_bits,
C2D_SURFACE_TYPE surface_type,
void *surface_definition );
/* Requests properties of the specified surface. */
C2D_API C2D_STATUS c2dQuerySurface( uint32 surface_id,
uint32 *surface_bits,
C2D_SURFACE_TYPE *surface_type,
uint32 *width, uint32 *height,
uint32 *format );
/* Destroys a generic blit surface.
* For external memory surfaces also deallocates the memory.
* It is safe to free any external resources associated with a given
* surface on c2dCreateSurface call after this function returns. */
C2D_API C2D_STATUS c2dDestroySurface( uint32 surface_id );
/******************************************************************************
* Functions to modify/exchange surface data */
/* The format of fill_color is the same as color format being used
* for specified surface. If fill_rect is NULL the whole surface is filled.
* Alpha-blending is not performed while filling.
* The operation is complete when function returns. */
C2D_API C2D_STATUS c2dFillSurface( uint32 surface_id,
uint32 fill_color,
C2D_RECT *fill_rect );
/* Writes data located in host memory into the specified surface.
* The chunk of host memory is identified with surface_type and
* surface_definition, no surface registration needed in this case.
* Only C2D_SURFACE_RGB_HOST, C2D_SURFACE_YUV_HOST are accepted.
* If only part of the host memory buffer should be loaded, it should
* be configured in surface_definition using width, height and stride.
* The x and y are defined in target surface coordinate space.
* Color conversion has to be done, if color formats differ.
* Alpha-blending is not performed while writing.
* The operation is complete when function returns. */
C2D_API C2D_STATUS c2dWriteSurface( uint32 surface_id,
C2D_SURFACE_TYPE surface_type,
void *surface_definition,
int32 x, int32 y );
/* Reads data from the specified surface into the host memory.
* The chunk of host memory is identified with surface_type and
* surface_definition, no surface registration needed in this case.
* Only C2D_SURFACE_RGB_HOST, C2D_SURFACE_YUV_HOST are accepted.
* If only part of the surface should be read, it should
* be configured in surface_definition using width, height and stride.
* The x and y are defined in source surface coordinate space.
* Color conversion has to be done, if color formats differ.
* Alpha-blending is not performed while reading.
* The operation is complete when function returns. */
C2D_API C2D_STATUS c2dReadSurface( uint32 surface_id,
C2D_SURFACE_TYPE surface_type,
void *surface_definition,
int32 x, int32 y );
/* Notifies c2d imlementation that surface has been updated from outside the API,
* if updated_rect is NULL then the whole surface has been updated. */
C2D_API C2D_STATUS c2dSurfaceUpdated( uint32 surface_id,
C2D_RECT *updated_rect );
/* Updates surface information.
* Could be called only for host surfaces set with parameter "C2D_SURFACE_WITH_PHYS".
* Count for surface planes have to be same than for already allocated surface */
C2D_API C2D_STATUS c2dUpdateSurface( uint32 surface_id,
uint32 surface_bits,
C2D_SURFACE_TYPE surface_type,
void *surface_definition );
/******************************************************************************
* Functions to do actual blit */
/* Draw a list of blit objects into the given target.
* The target_config is a bitwise OR of values from C2D_TARGET_CONFIG.
* The target transformation creates the effect that target surface
* is transformed before the blit and then transformed back
* after blit, however no physical target transform is performed.
* The objects_list is a linked list of blit objects, no more
* than num_objects is drawn from the given list.
* If num_objects is 0, the whole list is drawn.
* The blit is not guaranteed to complete after function returns. */
C2D_API C2D_STATUS c2dDraw( uint32 target_id,
uint32 target_config, C2D_RECT *target_scissor,
uint32 target_mask_id, uint32 target_color_key,
C2D_OBJECT *objects_list, uint32 num_objects );
/* timstamp set in the blit commands flush */
typedef void* c2d_ts_handle;
/* Forces any pending blit to complete for a given target.
* Non-blocking. All input surfaces for this target except those
* which are shared with other targets are expected to be immediately
* writable after client has been waiting returned timestamp with
* c2dWaitTimestamp funtion or c2dFinish has been called for same target */
C2D_API C2D_STATUS c2dFlush( uint32 target_id, c2d_ts_handle *timestamp);
/* Waits the pending timestamp */
C2D_API C2D_STATUS c2dWaitTimestamp( c2d_ts_handle timestamp );
/* Forces any pending blit to complete for a given target.
* Blocking version, returns when blit is done.
* All input surfaces for this target except those which are shared with
* other targets are expected to be immediately
* writable after this function returns. */
C2D_API C2D_STATUS c2dFinish( uint32 target_id );
/*****************************************************************************/
/****************************** Display API **********************************/
/*****************************************************************************/
/* Display input enumeration */
typedef enum {
C2D_DISPLAY_INPUT_0 = 0, /*!< default input */
C2D_DISPLAY_INPUT_1 = (1<<16), /*!< Overlay 1 */
C2D_DISPLAY_INPUT_2 = (1<<17), /*!< Overlay 2... */
} C2D_DISPLAY_INPUT;
/******************************************************************************
* Functions for display output. */
/* Functionality described in this section is optional and is
* provided only for the cases when blit HW
* is tightly bound to the display controller. */
/* Display enumeration, may also be used in surface caps */
typedef enum {
C2D_DISPLAY_MAIN = (1 << 10), /* main display */
C2D_DISPLAY_SECONDARY = (1 << 11), /* secondary display */
C2D_DISPLAY_TV_OUT = (1 << 12), /* tv-out */
} C2D_DISPLAY;
/* Display window enumeration */
typedef enum {
C2D_DISPLAY_OVERLAY = C2D_DISPLAY_INPUT_1, /*!< Overlay window bit. This defines display input.
When defined the surface is set on the overlay window
otherwise the surface is set on the background window. */
} C2D_DISPLAY_WINDOW; /*!< Window bit set with display parameter */
/* Display update modes */
typedef enum {
C2D_DISPLAY_MODE_TEAR_SYNC = (1 << 0), /* enables tearing sync */
C2D_DISPLAY_MODE_SURF_REMOVE = (1 << 1), /* Remove surface from given display + input */
} C2D_DISPLAY_MODE;
/* Sets the given surface as a current display front buffer.
* Several displays can be specified as an output if supported.
* Still only one input can be specified at a time fro display/displays.
* The surface remains shown until it gets replaced with another one. */
C2D_API C2D_STATUS c2dDisplaySetSurface( uint32 display,
uint32 surface_id, uint32 mode );
/* Returns the current surface for a particular display.
* Only one display can be specified at a time.
* The latest surface set with compDisplaySetSurface or
* the default pre-allocated surface is returned. */
C2D_API C2D_STATUS c2dDisplayGetSurface( uint32 display,
uint32 *surface_id );
/* Returns the properties for a particular display.
* Only one display can be specified at a time. */
C2D_API C2D_STATUS c2dDisplayGetProperties( uint32 display,
uint32 *width, uint32 *height,
uint32 *format );
/* Sets the properties for a particular display input.
* Only one display + input can be specified at a time.
* C2D_OBJECT used to set input rect(target rect),
* blending operations, rotation...etc for display source */
C2D_API C2D_STATUS c2dDisplaySetObject( uint32 display,
uint32 target_config, uint32 target_color_key,
C2D_OBJECT * c2dObject, uint32 mode);
/* allows user to map a memory region to the gpu. only supported on linux
* mem_fd is the fd of the memory region, hostptr is the host pointer to the region,
* len and offset are the size and offset of the memory.
* flags is one of the memory types supported by gsl
* gpaddr is passed by refernce back to the user
*/
C2D_API C2D_STATUS c2dMapAddr ( int mem_fd, void * hostptr, uint32 len, uint32 offset, uint32 flags, void ** gpuaddr);
/* allows user to unmap memory region mapped by c2dMapAddr.
* gpaddr is the gpuaddr to unmap */
C2D_API C2D_STATUS c2dUnMapAddr (void * gpuaddr);
/* allows user to query driver capabilities.
* driver_info is the information about driver */
C2D_API C2D_STATUS c2dGetDriverCapabilities( C2D_DRIVER_INFO * driver_info);
/* create a fence fd for the timestamp */
C2D_API C2D_STATUS c2dCreateFenceFD( uint32 target_id, c2d_ts_handle timestamp, int32 *fd);
/*****************************************************************************/
#ifdef __cplusplus
}
#endif
#endif /* __c2d2_h_ */