1/* Copyright (c) 2010-2013, The Linux Foundation. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 *     * Redistributions of source code must retain the above copyright
7 *       notice, this list of conditions and the following disclaimer.
8 *     * Redistributions in binary form must reproduce the above
9 *       copyright notice, this list of conditions and the following
10 *       disclaimer in the documentation and/or other materials provided
11 *       with the distribution.
12 *     * Neither the name of The Linux Foundation. nor the names of its
13 *       contributors may be used to endorse or promote products derived
14 *       from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29#ifndef __c2d2_h_
30#define __c2d2_h_
31
32#ifdef __cplusplus
33extern "C" {
34#endif
35
36#ifndef C2D_API
37#define C2D_API /* define API export as needed */
38#endif
39#if !defined(int32) && !defined(_INT32_DEFINED)
40typedef int                     int32;
41#define _INT32_DEFINED
42#endif
43#if !defined(uint32) && !defined(_UINT32_DEFINED)
44typedef unsigned int            uint32;
45#define _UINT32_DEFINED
46#endif
47
48/*****************************************************************************/
49/*********************** Blit definitions *****************************/
50/*****************************************************************************/
51
52/* Status codes, returned by any blit function */
53typedef enum {
54    C2D_STATUS_OK              = 0,
55    C2D_STATUS_NOT_SUPPORTED   = 1,
56    C2D_STATUS_OUT_OF_MEMORY   = 2,
57    C2D_STATUS_INVALID_PARAM   = 3,
58    C2D_STATUS_SURFACE_IN_USE  = 4,
59} C2D_STATUS;
60
61
62/* Definitions of color format modes, used together with color formats */
63typedef enum {
64    C2D_FORMAT_PACK_INTO_32BIT   = (1 <<  8), /* pack into dword if set */
65    C2D_FORMAT_SWAP_ENDIANNESS   = (1 <<  9), /* swaps the order */
66    C2D_FORMAT_LINEAR_SPACE      = (1 << 10), /* linear color space */
67    C2D_FORMAT_PREMULTIPLIED     = (1 << 11), /* alpha premultiplied */
68    C2D_FORMAT_INVERT_ALPHA      = (1 << 12), /* inverts alpha */
69    C2D_FORMAT_DISABLE_ALPHA     = (1 << 13), /* disables alpha */
70    C2D_FORMAT_INTERLACED        = (1 << 14), /* YUV line-interlaced */
71    C2D_FORMAT_TRANSPARENT       = (1 << 15), /* YUV 1-bit alpha in Y */
72    C2D_FORMAT_MACROTILED        = (1 << 16), /* tiled in macro level */
73    C2D_FORMAT_TILED_4x4         = (1 << 17), /* 4x4 tiled format */
74    C2D_FORMAT_SWAP_RB           = (1 << 18), /* Swap R & B color components */
75} C2D_FORMAT_MODE;
76
77/* Definitions of supported RGB formats, used in C2D_RGB_SURFACE_DEF.
78 * The bits of each color channel are packed into a machine word
79 * representing a single pixel from left to right (MSB to LSB) in the
80 * order indicated by format name. For the sub-byte formats the pixels
81 * are packed into bytes from left to right (MSbit to LSBit).
82 * If the C2D_FORMAT_PACK_INTO_32BIT bit is set, the minimal
83 * machine word used for pixel storage is 32-bit and the whole word
84 * is reversed if endianness is swapped.
85 * If the C2D_FORMAT_SWAP_ENDIANNESS bit is set, the order within a
86 * minimal machine word representing a pixel
87 * is reversed for both sub-byte and multi-byte formats.
88 * If the C2D_FORMAT_LINEAR_SPACE bit is set, the color space of
89 * the formats below is considered linear, if applicable.
90 * If the C2D_FORMAT_PREMULTIPLIED bit is set, the color channels
91 * are premultiplied with the alpha, if applicable.
92 * If the C2D_FORMAT_INVERT_ALPHA bit is set, the alpha interpretation
93 * is inverted: 0 - opaque, 1 - transparent, if applicable.
94 * If the C2D_FORMAT_DISABLE_ALPHA bit is set, the alpha channel serves
95 * as a placeholder and is ignored during blit, if applicable.
96 * If the C2D_FORMAT_MACROTILED bit is set, the surface is in the
97 * tiled format : 64x32 for 8bpp, 32x32 for 16bpp formats  */
98typedef enum {
99    C2D_COLOR_FORMAT_1            = 0,   /* 1-bit alpha/color expansion */
100
101    C2D_COLOR_FORMAT_2_PALETTE    = 1,   /* 2-bit indices for palette */
102    C2D_COLOR_FORMAT_4_PALETTE    = 2,   /* 4-bit indices for palette */
103    C2D_COLOR_FORMAT_8_PALETTE    = 3,   /* 8-bit indices for palette */
104
105    C2D_COLOR_FORMAT_2_L          = 4,   /* 2-bit grayscale */
106    C2D_COLOR_FORMAT_4_L          = 5,   /* 4-bit grayscale */
107    C2D_COLOR_FORMAT_8_L          = 6,   /* 8-bit grayscale */
108
109    C2D_COLOR_FORMAT_2_A          = 7,   /* 2-bit alpha only */
110    C2D_COLOR_FORMAT_4_A          = 8,   /* 4-bit alpha only */
111    C2D_COLOR_FORMAT_8_A          = 9,   /* 8-bit alpha only */
112
113    C2D_COLOR_FORMAT_444_RGB      = 10,  /* 12-bit colors */
114    C2D_COLOR_FORMAT_565_RGB      = 11,  /* 16-bit colors */
115    C2D_COLOR_FORMAT_888_RGB      = 12,  /* 24-bit colors */
116
117    C2D_COLOR_FORMAT_1555_ARGB    = 13,  /* 16-bit colors (1-bit alpha) */
118    C2D_COLOR_FORMAT_4444_ARGB    = 14,  /* 16-bit colors (4-bit alpha) */
119    C2D_COLOR_FORMAT_8565_ARGB    = 15,  /* 24-bit colors (8-bit alpha) */
120    C2D_COLOR_FORMAT_8888_ARGB    = 16,  /* 32-bit colors (8-bit alpha) */
121
122    C2D_COLOR_FORMAT_5551_RGBA    = 17,  /* 16-bit colors (1-bit alpha) */
123    C2D_COLOR_FORMAT_4444_RGBA    = 18,  /* 16-bit colors (4-bit alpha) */
124    C2D_COLOR_FORMAT_5658_RGBA    = 19,  /* 24-bit colors (8-bit alpha) */
125    C2D_COLOR_FORMAT_8888_RGBA    = 20,  /* 32-bit colors (8-bit alpha) */
126
127    /* derived RGB color formats (base format + mode bits) */
128
129} C2D_RGB_FORMAT;
130
131/* Definitions of supported YUV formats, used in C2D_YUV_SURFACE_DEF.
132 * Each of Y,U,V channels usually takes 1 byte and therefore is
133 * individually addressable. The definitions below show how Y,U,V
134 * channels are packed into macropixels for each particular format.
135 * The order is from left (smaller byte addresses) to right (larger
136 * byte addresses). The first three digits (4xx) denote the chroma
137 * subsampling in standard YUV notation. The digits in the macropixel
138 * denote that the whole block (from the previous digit or from the
139 * beginning) has to be repeated the number of times. Underscores
140 * between Y,U,V channels are used to describe separate planes for
141 * planar YUV formats. Formats are mapped to numbers so that future
142 * versions with various YUV permutations are easy to add.
143 * If the C2D_FORMAT_INTERLACED bit is set, the line order is
144 * interlaced: 0,2,4,...1,3,5... if applicable.
145 * If the C2D_FORMAT_TRANSPARENT bit is set, the least significant
146 * bit of Y channel serves as alpha: 0 - transparent, 1 - opaque. */
147typedef enum {
148    C2D_COLOR_FORMAT_411_YYUYYV   = 110, /* packed, 12-bit         */
149    C2D_COLOR_FORMAT_411_YUYYVY   = 111, /* packed, 12-bit         */
150    C2D_COLOR_FORMAT_411_UYYVYY   = 112, /* packed, 12-bit, "Y411" */
151    C2D_COLOR_FORMAT_411_YUYV2Y4  = 116, /* packed, 12-bit         */
152    C2D_COLOR_FORMAT_411_UYVY2Y4  = 117, /* packed, 12-bit, "Y41P" */
153
154    C2D_COLOR_FORMAT_422_YUYV     = 120, /* packed, 16-bit, "YUY2" */
155    C2D_COLOR_FORMAT_422_UYVY     = 121, /* packed, 16-bit, "UYVY" */
156    C2D_COLOR_FORMAT_422_YVYU     = 122, /* packed, 16-bit, "YVYU" */
157    C2D_COLOR_FORMAT_422_VYUY     = 123, /* packed, 16-bit         */
158
159    C2D_COLOR_FORMAT_444_YUV      = 130, /* packed, 24-bit         */
160    C2D_COLOR_FORMAT_444_UYV      = 131, /* packed, 24-bit, "IYU2" */
161    C2D_COLOR_FORMAT_444_AYUV     = 136, /* packed, 24-bit, "AYUV" */
162
163    C2D_COLOR_FORMAT_410_Y_UV     = 150, /* planar, Y + interleaved UV */
164    C2D_COLOR_FORMAT_411_Y_UV     = 151, /* planar, Y + interleaved UV */
165    C2D_COLOR_FORMAT_420_Y_UV     = 152, /* planar, Y + interleaved UV */
166    C2D_COLOR_FORMAT_422_Y_UV     = 153, /* planar, Y + interleaved UV */
167    C2D_COLOR_FORMAT_444_Y_UV     = 154, /* planar, Y + interleaved UV */
168
169    C2D_COLOR_FORMAT_410_Y_VU     = 160, /* planar, Y + interleaved VU */
170    C2D_COLOR_FORMAT_411_Y_VU     = 161, /* planar, Y + interleaved VU */
171    C2D_COLOR_FORMAT_420_Y_VU     = 162, /* planar, Y + interleaved VU */
172    C2D_COLOR_FORMAT_422_Y_VU     = 163, /* planar, Y + interleaved VU */
173    C2D_COLOR_FORMAT_444_Y_VU     = 164, /* planar, Y + interleaved VU */
174
175    C2D_COLOR_FORMAT_410_Y_U_V    = 170, /* planar, Y + U + V separate */
176    C2D_COLOR_FORMAT_411_Y_U_V    = 171, /* planar, Y + U + V separate */
177    C2D_COLOR_FORMAT_420_Y_V_U    = 172, /* planar, Y + V + U separate */
178    C2D_COLOR_FORMAT_420_Y_U_V    = 173, /* planar, Y + U + V separate */
179    C2D_COLOR_FORMAT_422_Y_U_V    = 174, /* planar, Y + U + V separate */
180    C2D_COLOR_FORMAT_444_Y_U_V    = 175, /* planar, Y + U + V separate */
181
182    C2D_COLOR_FORMAT_800_Y        = 190, /* planar, Y only, grayscale */
183
184    /* derived YUV color formats (base format + mode bits), FOURCC */
185
186    C2D_COLOR_FORMAT_411_Y411     = 112,
187    C2D_COLOR_FORMAT_411_Y41P     = 117,
188    C2D_COLOR_FORMAT_411_IY41     = 117 | (1 << 14),
189    C2D_COLOR_FORMAT_411_Y41T     = 117 | (1 << 15),
190
191    C2D_COLOR_FORMAT_422_YUY2     = 120,
192    C2D_COLOR_FORMAT_422_IUYV     = 121 | (1 << 14),
193    C2D_COLOR_FORMAT_422_Y42T     = 121 | (1 << 15),
194    C2D_COLOR_FORMAT_444_IYU2     = 131,
195
196    C2D_COLOR_FORMAT_420_NV12     = 152,
197    C2D_COLOR_FORMAT_420_NV21     = 162,
198
199    C2D_COLOR_FORMAT_410_YUV9     = 170,
200    C2D_COLOR_FORMAT_410_YVU9     = 170,
201    C2D_COLOR_FORMAT_411_Y41B     = 171,
202    C2D_COLOR_FORMAT_420_YV12     = 172,
203    C2D_COLOR_FORMAT_420_IYUV     = 173,
204    C2D_COLOR_FORMAT_420_I420     = 173,
205    C2D_COLOR_FORMAT_422_YV16     = 174,
206    C2D_COLOR_FORMAT_422_Y42B     = 174,
207
208    C2D_COLOR_FORMAT_800_Y800     = 190,
209
210} C2D_YUV_FORMAT;
211
212
213/* Configuration bits, used in the config_mask field of C2D_OBJECT struct */
214typedef enum {
215    C2D_SOURCE_RECT_BIT      = (1 <<  0), /* enables source_rect field */
216    C2D_MIRROR_H_BIT         = (1 <<  1), /* enables horizontal flipping */
217    C2D_MIRROR_V_BIT         = (1 <<  2), /* enables vertical flipping */
218    C2D_SOURCE_TILE_BIT      = (1 <<  3), /* enables source surface tiling */
219    C2D_TARGET_RECT_BIT      = (1 <<  4), /* enables target_rect field */
220    C2D_ROTATE_BIT           = (1 <<  5), /* enables all rotation fields */
221    C2D_SCISSOR_RECT_BIT     = (1 <<  6), /* enables scissor_rect field */
222    C2D_MASK_SURFACE_BIT     = (1 <<  7), /* enables mask_surface_id field */
223    C2D_MASK_ALIGN_BIT       = (1 <<  8), /* aligns mask to source_rect */
224    C2D_MASK_SCALE_BIT       = (1 <<  9), /* enables mask surface scaling */
225    C2D_MASK_TILE_BIT        = (1 << 10), /* enables mask surface tiling */
226    C2D_GLOBAL_ALPHA_BIT     = (1 << 11), /* enables global_alpha field */
227    C2D_COLOR_KEY_BIT        = (1 << 12), /* enables color_key field */
228    C2D_NO_PIXEL_ALPHA_BIT   = (1 << 13), /* disables source alpha channel */
229    C2D_NO_BILINEAR_BIT      = (1 << 14), /* disables bilinear on scaling */
230    C2D_NO_ANTIALIASING_BIT  = (1 << 15), /* disables antialiasing on edges */
231    C2D_DRAW_LINE_BIT        = (1 << 16), /* enables line drawing with source rectangle */
232    C2D_DRAW_LINE_NOLAST     = (1 << 17), /* disable last pixel draw for line */
233} C2D_SOURCE_CONFIG;
234
235
236/* Target configuration bits, defines rotation + mirroring.
237 * Mirror is applied prior to rotation if enabled. */
238typedef enum {
239    C2D_TARGET_MIRROR_H        = (1 << 0), /* horizontal flip */
240    C2D_TARGET_MIRROR_V        = (1 << 1), /* vertical flip */
241    C2D_TARGET_ROTATE_0        = (0 << 2), /* no rotation */
242    C2D_TARGET_ROTATE_90       = (1 << 2), /* 90 degree rotation */
243    C2D_TARGET_ROTATE_180      = (2 << 2), /* 180 degree rotation */
244    C2D_TARGET_ROTATE_270      = (3 << 2), /* 270 degree rotation, 90 + 180 */
245    C2D_TARGET_MASK_ALIGN      = (1 << 4), /* aligns mask to target scissor */
246    C2D_TARGET_MASK_SCALE      = (1 << 5), /* enables mask scaling */
247    C2D_TARGET_MASK_TILE       = (1 << 6), /* enables mask tiling */
248    C2D_TARGET_COLOR_KEY       = (1 << 7), /* enables target_color_key */
249    C2D_TARGET_NO_PIXEL_ALPHA  = (1 << 8), /* disables target alpha channel */
250} C2D_TARGET_CONFIG;
251
252#define C2D_TARGET_ROTATION_MASK  (C2D_TARGET_ROTATE_90*3)
253
254/* Additional blend modes, can be used with both source and target configs.
255   If none of the below is set, the default "SRC over DST" is applied. */
256typedef enum {
257    C2D_ALPHA_BLEND_SRC_OVER   = (0  << 20), /* Default, Porter-Duff "SRC over DST" */
258    C2D_ALPHA_BLEND_SRC        = (1  << 20), /* Porter-Duff "SRC" */
259    C2D_ALPHA_BLEND_SRC_IN     = (2  << 20), /* Porter-Duff "SRC in DST" */
260    C2D_ALPHA_BLEND_DST_IN     = (3  << 20), /* Porter-Duff "DST in SRC" */
261    C2D_ALPHA_BLEND_SRC_OUT    = (4  << 20), /* Porter-Duff "SRC out DST" */
262    C2D_ALPHA_BLEND_DST_OUT    = (5  << 20), /* Porter-Duff "DST out SRC" */
263    C2D_ALPHA_BLEND_DST_OVER   = (6  << 20), /* Porter-Duff "DST over SRC" */
264    C2D_ALPHA_BLEND_SRC_ATOP   = (7  << 20), /* Porter-Duff "SRC ATOP" */
265    C2D_ALPHA_BLEND_DST_ATOP   = (8  << 20), /* Porter-Duff "DST ATOP" */
266    C2D_ALPHA_BLEND_XOR        = (9  << 20), /* Xor */
267    C2D_ALPHA_BLEND_MULTIPLY   = (10 << 20), /* OpenVG "MULTIPLY" */
268    C2D_ALPHA_BLEND_SCREEN     = (11 << 20), /* OpenVG "SCREEN" */
269    C2D_ALPHA_BLEND_DARKEN     = (12 << 20), /* OpenVG "DARKEN" */
270    C2D_ALPHA_BLEND_LIGHTEN    = (13 << 20), /* OpenVG "LIGHTEN" */
271    C2D_ALPHA_BLEND_ADDITIVE   = (14 << 20), /* OpenVG "ADDITIVE" */
272    C2D_ALPHA_BLEND_DIRECT     = (15 << 20), /* Direct alpha blitting */
273    C2D_ALPHA_BLEND_INVERTC    = (16 << 20), /* Invert color */
274    C2D_ALPHA_BLEND_NONE       = (1  << 25), /* disables alpha blending */
275} C2D_ALPHA_BLEND_MODE;
276
277/* Configuration bits, used in the config_mask field of C2D_OBJECT struct */
278typedef enum {
279    C2D_OVERRIDE_GLOBAL_TARGET_ROTATE_CONFIG = (1 << 27), /* Overrides TARGET Config */
280    C2D_OVERRIDE_TARGET_ROTATE_0             = (0 << 28), /* no rotation             */
281    C2D_OVERRIDE_TARGET_ROTATE_90            = (1 << 28), /* 90 degree rotation      */
282    C2D_OVERRIDE_TARGET_ROTATE_180           = (2 << 28), /* 180 degree rotation     */
283    C2D_OVERRIDE_TARGET_ROTATE_270           = (3 << 28), /* 270 degree rotation     */
284} C2D_SOURCE_TARGET_CONFIG;
285
286#define C2D_OVERRIDE_SOURCE_CONFIG_TARGET_ROTATION_SHIFT_MASK  28
287#define C2D_OVERRIDE_TARGET_CONFIG_TARGET_ROTATION_SHIFT_MASK  2
288
289
290/* Surface caps enumeration */
291typedef enum {
292    C2D_SOURCE          = (1 << 0), /* allows to use as a source */
293    C2D_TARGET          = (1 << 1), /* allows to use as a target */
294    C2D_MASK            = (1 << 2), /* allows to use as a mask */
295    C2D_PALETTE         = (1 << 3), /* allows to use as a palette */
296} C2D_SURFACE_BITS;
297
298/* Surface type enumeration */
299typedef enum {
300    C2D_SURFACE_RGB_HOST        = 1, /* Host memory RGB surface */
301    C2D_SURFACE_RGB_EXT         = 2, /* External memory RGB surface */
302    C2D_SURFACE_YUV_HOST        = 3, /* Host memory YUV surface */
303    C2D_SURFACE_YUV_EXT         = 4, /* External memory YUV surface */
304    C2D_SURFACE_WITH_PHYS       = (1<<3), /* physical address already mapped */
305                                        /* this bit is valid with HOST types */
306    C2D_SURFACE_WITH_PHYS_DUMMY = (1<<4), /* physical address already mapped */
307                                        /* this bit is valid with HOST types */
308} C2D_SURFACE_TYPE;
309
310/* Structure for registering a RGB buffer as a blit surface */
311typedef struct {
312    uint32 format;   /* RGB color format plus additional mode bits */
313    uint32 width;    /* defines width in pixels */
314    uint32 height;   /* defines height in pixels */
315    void  *buffer;   /* pointer to the RGB buffer */
316    void  *phys;     /* physical address */
317    int32  stride;   /* defines stride in bytes, negative stride is allowed */
318} C2D_RGB_SURFACE_DEF;
319
320/* Structure for registering a YUV plane(s) as a blit surface */
321typedef struct {
322    uint32 format;   /* YUV color format plus additional mode bits */
323    uint32 width;    /* defines width in pixels */
324    uint32 height;   /* defines height in pixels */
325    void  *plane0;  /* holds the whole buffer if YUV format is not planar */
326    void  *phys0;   /* physical address */
327    int32  stride0; /* stride in bytes if YUV format is not planar */
328    void  *plane1;  /* holds UV or VU plane for planar interleaved */
329    void  *phys1;   /* physical address */
330    int32  stride1; /* stride for UV or VU plane for planar interleaved */
331    void  *plane2;  /* holds the 3. plane, ignored if YUV format is not planar */
332    void  *phys2;    /* physical address */
333    int32  stride2; /* stride for the 3. plane, ignored if YUV format is not planar */
334} C2D_YUV_SURFACE_DEF;
335
336
337/* Rectangle definition */
338typedef struct {
339    int32 x;        /* upper-left x */
340    int32 y;        /* upper-left y */
341    int32 width;    /* width */
342    int32 height;   /* height */
343} C2D_RECT;
344
345/* C2D_OBJECT encapsulates the blit parameters for a source surface.
346 * The fg_color defines color in target format for bits equal to 1
347 * in the source C2D_COLOR_FORMAT_1 format. It also defines rendering
348 * color for all alpha-only source formats. If the surface_id is 0
349 * the fg_color defines a constant fill color used instead of the surface.
350 * The bg_color defines color in target format for bits equal to 0
351 * in the source C2D_COLOR_FORMAT_1 format, otherwise both are ignored.
352 * The palette_id is used for all palette source formats, otherwise ignored.
353
354 * The source_rect first defines the content of the source surface,
355 * it is then horizontally/vertically flipped if C2D_MIRROR_*_BIT is set,
356 * then scaled with bilinear interpolation to exactly fit target_rect
357 * or repeated across target_rect if C2D_SOURCE_TILE_BIT is set,
358 * target_rect is then rotated clockwise by an arbitrary angle in degrees
359 * around the rot_orig_x/y, defined relative to target_rect's top left point,
360 * and then clipped to scissor_rect defined in target coordinate system.
361
362 * Finally alpha blending is applied before pixels get written into the target.
363 * Surface's pixel alpha is combined with mask alpha and with global alpha.
364 * Mask surface follows all transformations applied to the source surface.
365 * Source color key defines transparent color, applied together with alpha. */
366typedef struct C2D_OBJECT_STR {
367    uint32 surface_id;      /* source surface */
368
369    uint32 fg_color;        /* foreground color */
370    uint32 bg_color;        /* background color */
371    uint32 palette_id;      /* one-dimensional horizontal palette surface */
372
373    uint32 config_mask;     /* defines which fields below are enabled */
374
375    C2D_RECT source_rect;  /* region of the source surface,   16.16 fp */
376    C2D_RECT target_rect;  /* position and scaling in target, 16.16 fp */
377
378    int32 rot_orig_x;       /* rotation origin relative to target_rect's... */
379    int32 rot_orig_y;       /* ...top left point,     both are 16.16 fp */
380    int32 rotation;         /* clock-wise rotation in degrees, 16.16 fp */
381
382    C2D_RECT scissor_rect; /* defines the clip rectangle in target surface */
383
384    uint32 mask_surface_id; /* source alpha-mask surface */
385    uint32 global_alpha;    /* 0 = fully transparent, 255 = fully opaque */
386    uint32 color_key;       /* transparent color for the source surface */
387
388    struct C2D_OBJECT_STR *next; /* pointer to the next object or NULL */
389} C2D_OBJECT;
390
391/* Configuration bits, driver capabilities used by 2Dapplications */
392typedef enum {
393    C2D_DRIVER_SUPPORTS_GLOBAL_ALPHA_OP           = (1 << 0),
394    C2D_DRIVER_SUPPORTS_TILE_OP                   = (1 << 1),
395    C2D_DRIVER_SUPPORTS_COLOR_KEY_OP              = (1 << 2),
396    C2D_DRIVER_SUPPORTS_NO_PIXEL_ALPHA_OP         = (1 << 3),
397    C2D_DRIVER_SUPPORTS_TARGET_ROTATE_OP          = (1 << 4),
398    C2D_DRIVER_SUPPORTS_ANTI_ALIASING_OP          = (1 << 5), /* antialiasing */
399    C2D_DRIVER_SUPPORTS_BILINEAR_FILTER_OP        = (1 << 6),
400    C2D_DRIVER_SUPPORTS_LENS_CORRECTION_OP        = (1 << 7),
401    C2D_DRIVER_SUPPORTS_OVERRIDE_TARGET_ROTATE_OP = (1 << 8),
402    C2D_DRIVER_SUPPORTS_SHADER_BLOB_OP            = (1 << 9),
403    C2D_DRIVER_SUPPORTS_MASK_SURFACE_OP           = (1 << 10), /* mask surface */
404    C2D_DRIVER_SUPPORTS_MIRROR_H_OP               = (1 << 11), /* horizontal flip */
405    C2D_DRIVER_SUPPORTS_MIRROR_V_OP               = (1 << 12), /* vertical flip */
406    C2D_DRIVER_SUPPORTS_SCISSOR_RECT_OP           = (1 << 13),
407    C2D_DRIVER_SUPPORTS_SOURCE_RECT_OP            = (1 << 14),
408    C2D_DRIVER_SUPPORTS_TARGET_RECT_OP            = (1 << 15),
409    C2D_DRIVER_SUPPORTS_ROTATE_OP                 = (1 << 16), /* all rotations */
410    C2D_DRIVER_SUPPORTS_FLUSH_WITH_FENCE_FD_OP    = (1 << 17), /* all rotations */
411    C2D_DRIVER_SUPPORTS_ALL_CAPABILITIES_OP       = ((0xFFFFFFFF) >> (31 - 17)) /* mask for all capabilities supported */
412} C2D_DRIVER_CAPABILITIES;
413
414/* 2D driver workaround bits used by the 2D applications */
415typedef enum {
416    C2D_DRIVER_WORKAROUND_NONE  = 0, /* NO workaround */
417    C2D_DRIVER_WORKAROUND_SWAP_UV_FOR_YUV_TARGET  = (1 << 0), /* Swap UV when this flag set */
418} C2D_DRIVER_WORKAROUND;
419
420/* Structure to query Driver information */
421typedef struct {
422    uint32 capabilities_mask;
423    uint32 workaround_mask;
424    uint32 reserved1;
425    uint32 reserved2;
426    uint32 reserved3;
427} C2D_DRIVER_INFO;
428
429/* Structure to query Driver information */
430typedef struct {
431    uint32          max_surface_template_needed;
432    uint32          reserved1;
433    uint32          reserved2;
434    uint32          reserved3;
435} C2D_DRIVER_SETUP_INFO;
436
437/*****************************************************************************/
438/**************************** C2D API 2.0 ********************************/
439/*****************************************************************************/
440
441/******************************************************************************
442 * Functions to create/destroy surfaces */
443
444/* Creates a generic blit surface according to its type.
445 * Pass a combination of desired surface bits according to planned usage.
446 * Accepted values for surface_bits may include bits from C2D_SURFACE_BITS,
447 * and also from C2D_DISPLAY for compatibility with HW display controller.
448 * For host memory types the memory is preallocated outside the API
449 * and should remain valid until surface is destroyed.
450 * For external memory types the memory is allocated within API.
451 * On success, the non-zero surface identifier is returned.
452 * All numbers greater that 0 are valid surface identifiers, 0 is invalid.
453
454 * Host memory RGB surface:
455 * surface_type       = C2D_SURFACE_RGB_HOST
456 * surface_definition = C2D_RGB_SURFACE_DEF
457 * all fields in definition structure should be set
458
459 * External memory RGB surface:
460 * surface_type       = C2D_SURFACE_RGB_EXT
461 * surface_definition = C2D_RGB_SURFACE_DEF
462 * buffer field in definition structure is ignored
463
464 * Host memory YUV surface:
465 * surface_type       = C2D_SURFACE_YUV_HOST
466 * surface_definition = C2D_YUV_SURFACE_DEF
467 * one or all plane and stride fields in definition structure
468 * should be set depending on whether the format is planar or not
469
470 * External memory YUV surface:
471 * surface_type       = C2D_SURFACE_YUV_EXT
472 * surface_definition = C2D_YUV_SURFACE_DEF
473 * all plane and stride fields in definition structure are ignored */
474C2D_API C2D_STATUS c2dCreateSurface( uint32 *surface_id,
475                         uint32 surface_bits,
476                         C2D_SURFACE_TYPE surface_type,
477                         void *surface_definition );
478
479/* Requests properties of the specified surface. */
480C2D_API C2D_STATUS c2dQuerySurface( uint32 surface_id,
481                         uint32 *surface_bits,
482                         C2D_SURFACE_TYPE *surface_type,
483                         uint32 *width, uint32 *height,
484                         uint32 *format );
485
486/* Destroys a generic blit surface.
487 * For external memory surfaces also deallocates the memory.
488 * It is safe to free any external resources associated with a given
489 * surface on c2dCreateSurface call after this function returns. */
490C2D_API C2D_STATUS c2dDestroySurface( uint32 surface_id );
491
492
493/******************************************************************************
494 * Functions to modify/exchange surface data */
495
496/* The format of fill_color is the same as color format being used
497 * for specified surface. If fill_rect is NULL the whole surface is filled.
498 * Alpha-blending is not performed while filling.
499 * The operation is complete when function returns. */
500C2D_API C2D_STATUS c2dFillSurface( uint32 surface_id,
501                         uint32 fill_color,
502                         C2D_RECT *fill_rect );
503
504/* Writes data located in host memory into the specified surface.
505 * The chunk of host memory is identified with surface_type and
506 * surface_definition, no surface registration needed in this case.
507 * Only C2D_SURFACE_RGB_HOST, C2D_SURFACE_YUV_HOST are accepted.
508 * If only part of the host memory buffer should be loaded, it should
509 * be configured in surface_definition using width, height and stride.
510 * The x and y are defined in target surface coordinate space.
511 * Color conversion has to be done, if color formats differ.
512 * Alpha-blending is not performed while writing.
513 * The operation is complete when function returns. */
514C2D_API C2D_STATUS c2dWriteSurface( uint32 surface_id,
515                         C2D_SURFACE_TYPE surface_type,
516                         void *surface_definition,
517                         int32 x, int32 y );
518
519/* Reads data from the specified surface into the host memory.
520 * The chunk of host memory is identified with surface_type and
521 * surface_definition, no surface registration needed in this case.
522 * Only C2D_SURFACE_RGB_HOST, C2D_SURFACE_YUV_HOST are accepted.
523 * If only part of the surface should be read, it should
524 * be configured in surface_definition using width, height and stride.
525 * The x and y are defined in source surface coordinate space.
526 * Color conversion has to be done, if color formats differ.
527 * Alpha-blending is not performed while reading.
528 * The operation is complete when function returns. */
529C2D_API C2D_STATUS c2dReadSurface( uint32 surface_id,
530                         C2D_SURFACE_TYPE surface_type,
531                         void *surface_definition,
532                         int32 x, int32 y );
533
534/* Notifies c2d imlementation that surface has been updated from outside the API,
535 * if updated_rect is NULL then the whole surface has been updated. */
536C2D_API C2D_STATUS c2dSurfaceUpdated( uint32 surface_id,
537                         C2D_RECT *updated_rect );
538
539/* Updates surface information.
540 * Could be called only for host surfaces set with parameter "C2D_SURFACE_WITH_PHYS".
541 * Count for surface planes have to be same than for already allocated surface */
542C2D_API C2D_STATUS c2dUpdateSurface( uint32 surface_id,
543                         uint32 surface_bits,
544                         C2D_SURFACE_TYPE surface_type,
545                         void *surface_definition );
546
547/******************************************************************************
548 * Functions to do actual blit */
549
550/* Draw a list of blit objects into the given target.
551 * The target_config is a bitwise OR of values from C2D_TARGET_CONFIG.
552 * The target transformation creates the effect that target surface
553 * is transformed before the blit and then transformed back
554 * after blit, however no physical target transform is performed.
555 * The objects_list is a linked list of blit objects, no more
556 * than num_objects is drawn from the given list.
557 * If num_objects is 0, the whole list is drawn.
558 * The blit is not guaranteed to complete after function returns. */
559C2D_API C2D_STATUS c2dDraw( uint32 target_id,
560                         uint32 target_config, C2D_RECT *target_scissor,
561                         uint32 target_mask_id, uint32 target_color_key,
562                         C2D_OBJECT *objects_list, uint32 num_objects );
563
564
565/* timstamp set in the blit commands flush */
566typedef void*                   c2d_ts_handle;
567
568/* Forces any pending blit to complete for a given target.
569 * Non-blocking. All input surfaces for this target except those
570 * which are shared with other targets are expected to be immediately
571 * writable after client has been waiting returned timestamp with
572 * c2dWaitTimestamp funtion or c2dFinish has been called for same target */
573C2D_API C2D_STATUS c2dFlush( uint32 target_id, c2d_ts_handle *timestamp);
574
575
576/* Waits the pending timestamp */
577C2D_API C2D_STATUS c2dWaitTimestamp( c2d_ts_handle timestamp );
578
579
580/* Forces any pending blit to complete for a given target.
581 * Blocking version, returns when blit is done.
582 * All input surfaces for this target except those which are shared with
583 * other targets are expected to be immediately
584 * writable after this function returns. */
585C2D_API C2D_STATUS c2dFinish( uint32 target_id );
586
587
588/*****************************************************************************/
589/****************************** Display API **********************************/
590/*****************************************************************************/
591
592
593/* Display input enumeration */
594typedef enum {
595    C2D_DISPLAY_INPUT_0      = 0,       /*!< default input */
596    C2D_DISPLAY_INPUT_1      = (1<<16), /*!< Overlay 1     */
597    C2D_DISPLAY_INPUT_2      = (1<<17), /*!< Overlay 2...    */
598} C2D_DISPLAY_INPUT;
599
600
601/******************************************************************************
602 * Functions for display output. */
603
604/* Functionality described in this section is optional and is
605 * provided only for the cases when blit HW
606 * is tightly bound to the display controller. */
607
608/* Display enumeration, may also be used in surface caps */
609typedef enum {
610    C2D_DISPLAY_MAIN         = (1 << 10), /* main display */
611    C2D_DISPLAY_SECONDARY    = (1 << 11), /* secondary display */
612    C2D_DISPLAY_TV_OUT       = (1 << 12), /* tv-out */
613} C2D_DISPLAY;
614
615/* Display window enumeration */
616typedef enum {
617    C2D_DISPLAY_OVERLAY      = C2D_DISPLAY_INPUT_1, /*!< Overlay window bit. This defines display input.
618                                                When defined the surface is set on the overlay window
619                                                otherwise the surface is set on the background window. */
620} C2D_DISPLAY_WINDOW;                    /*!< Window bit set with display parameter */
621
622
623/* Display update modes */
624typedef enum {
625    C2D_DISPLAY_MODE_TEAR_SYNC   = (1 << 0), /* enables tearing sync */
626    C2D_DISPLAY_MODE_SURF_REMOVE = (1 << 1), /* Remove surface from given display + input */
627} C2D_DISPLAY_MODE;
628
629
630/* Sets the given surface as a current display front buffer.
631 * Several displays can be specified as an output if supported.
632 * Still only one input can be specified at a time fro display/displays.
633 * The surface remains shown until it gets replaced with another one. */
634C2D_API C2D_STATUS c2dDisplaySetSurface( uint32 display,
635                         uint32 surface_id, uint32 mode );
636
637/* Returns the current surface for a particular display.
638 * Only one display can be specified at a time.
639 * The latest surface set with compDisplaySetSurface or
640 * the default pre-allocated surface is returned. */
641C2D_API C2D_STATUS c2dDisplayGetSurface( uint32 display,
642                         uint32 *surface_id );
643
644/* Returns the properties for a particular display.
645 * Only one display can be specified at a time. */
646C2D_API C2D_STATUS c2dDisplayGetProperties( uint32 display,
647                         uint32 *width, uint32 *height,
648                         uint32 *format );
649
650/* Sets the properties for a particular display input.
651 * Only one display + input can be specified at a time.
652 * C2D_OBJECT used to set input rect(target rect),
653 * blending operations, rotation...etc for display source */
654C2D_API C2D_STATUS c2dDisplaySetObject( uint32 display,
655                         uint32 target_config, uint32 target_color_key,
656                         C2D_OBJECT * c2dObject, uint32 mode);
657
658/* allows user to map a memory region to the gpu. only supported on linux
659 * mem_fd is the fd of the memory region, hostptr is the host pointer to the region,
660 * len and offset are the size and offset of the memory.
661 * flags is one of the memory types supported by gsl
662 * gpaddr is passed by refernce back to the user
663 */
664C2D_API C2D_STATUS c2dMapAddr ( int mem_fd, void * hostptr, uint32 len, uint32 offset, uint32 flags, void ** gpuaddr);
665
666/* allows user to unmap memory region mapped by c2dMapAddr.
667 * gpaddr is the gpuaddr to unmap */
668C2D_API C2D_STATUS c2dUnMapAddr (void * gpuaddr);
669
670/* allows user to query driver capabilities.
671 * driver_info is the information about driver */
672C2D_API C2D_STATUS c2dGetDriverCapabilities( C2D_DRIVER_INFO * driver_info);
673
674/* create a fence fd for the timestamp */
675C2D_API C2D_STATUS c2dCreateFenceFD( uint32 target_id, c2d_ts_handle timestamp, int32 *fd);
676
677/*****************************************************************************/
678
679#ifdef __cplusplus
680}
681#endif
682
683#endif /* __c2d2_h_ */
684