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Diffstat (limited to 'src/gallium/state_trackers/xa/xa_tracker.h')
| -rw-r--r-- | src/gallium/state_trackers/xa/xa_tracker.h | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xa/xa_tracker.h b/src/gallium/state_trackers/xa/xa_tracker.h new file mode 100644 index 00000000000..62f8a210fb6 --- /dev/null +++ b/src/gallium/state_trackers/xa/xa_tracker.h @@ -0,0 +1,178 @@ +/********************************************************** + * Copyright 2009-2011 VMware, Inc. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * The format encoding idea is partially borrowed from libpixman, but it is not + * considered a "substantial part of the software", so the pixman copyright + * is left out for simplicity, and acknowledgment is instead given in this way. + * + ********************************************************* + * Authors: + * Zack Rusin <zackr-at-vmware-dot-com> + * Thomas Hellstrom <thellstrom-at-vmware-dot-com> + */ + +#ifndef _XA_TRACKER_H_ +#define _XA_TRACKER_H_ + +#include <stdint.h> + +#define XA_TRACKER_VERSION_MAJOR 0 +#define XA_TRACKER_VERSION_MINOR 4 +#define XA_TRACKER_VERSION_PATCH 0 + +#define XA_FLAG_SHARED (1 << 0) +#define XA_FLAG_RENDER_TARGET (1 << 1) + +#define XA_MAP_READ (1 << 0) +#define XA_MAP_WRITE (1 << 1) + +#define XA_ERR_NONE 0 +#define XA_ERR_NORES 1 +#define XA_ERR_INVAL 2 +#define XA_ERR_BUSY 3 + +enum xa_surface_type { + xa_type_other, + xa_type_a, + xa_type_argb, + xa_type_abgr, + xa_type_bgra, + xa_type_z, + xa_type_zs, + xa_type_sz, + xa_type_yuv_component +}; + +/* + * Note that these formats should not be assumed to be binary compatible with + * pixman formats, but with the below macros and a format type map, + * conversion should be simple. Macros for now. We might replace with + * inline functions. + */ + +#define xa_format(bpp,type,a,r,g,b) (((bpp) << 24) | \ + ((type) << 16) | \ + ((a) << 12) | \ + ((r) << 8) | \ + ((g) << 4) | \ + ((b))) +/* + * Non-RGBA one- and two component formats. + */ + +#define xa_format_c(bpp,type,c1,c2) (((bpp) << 24) | \ + ((type) << 16) | \ + ((c1) << 8) | \ + ((c2))) +#define xa_format_bpp(f) (((f) >> 24) ) +#define xa_format_type(f) (((f) >> 16) & 0xff) +#define xa_format_a(f) (((f) >> 12) & 0x0f) +#define xa_format_r(f) (((f) >> 8) & 0x0f) +#define xa_format_g(f) (((f) >> 4) & 0x0f) +#define xa_format_b(f) (((f) ) & 0x0f) +#define xa_format_rgb(f) (((f) ) & 0xfff) +#define xa_format_c1(f) (((f) >> 8 ) & 0xff) +#define xa_format_c2(f) (((f) ) & 0xff) +#define xa_format_argb_depth(f) (xa_format_a(f) + \ + xa_format_r(f) + \ + xa_format_g(f) + \ + xa_format_b(f)) +#define xa_format_c_depth(f) (xa_format_c1(f) + \ + xa_format_c2(f)) + +static inline int +xa_format_type_is_color(uint32_t xa_format) +{ + return (xa_format_type(xa_format) < xa_type_z); +} + +static inline unsigned int +xa_format_depth(uint32_t xa_format) +{ + return ((xa_format_type_is_color(xa_format)) ? + xa_format_argb_depth(xa_format) : xa_format_c_depth(xa_format)); +} + +enum xa_formats { + xa_format_unknown = 0, + xa_format_a8 = xa_format(8, xa_type_a, 8, 0, 0, 0), + + xa_format_a8r8g8b8 = xa_format(32, xa_type_argb, 8, 8, 8, 8), + xa_format_x8r8g8b8 = xa_format(32, xa_type_argb, 0, 8, 8, 8), + xa_format_r5g6b5 = xa_format(16, xa_type_argb, 0, 5, 6, 5), + xa_format_x1r5g5b5 = xa_format(16, xa_type_argb, 0, 5, 5, 5), + + xa_format_z16 = xa_format_c(16, xa_type_z, 16, 0), + xa_format_z32 = xa_format_c(32, xa_type_z, 32, 0), + xa_format_z24 = xa_format_c(32, xa_type_z, 24, 0), + + xa_format_x8z24 = xa_format_c(32, xa_type_sz, 24, 0), + xa_format_s8z24 = xa_format_c(32, xa_type_sz, 24, 8), + xa_format_z24x8 = xa_format_c(32, xa_type_zs, 24, 0), + xa_format_z24s8 = xa_format_c(32, xa_type_zs, 24, 8), + + xa_format_yuv8 = xa_format_c(8, xa_type_yuv_component, 8, 0) +}; + +struct xa_tracker; +struct xa_surface; + +struct xa_box { + uint16_t x1, y1, x2, y2; +}; + +extern void xa_tracker_version(int *major, int *minor, int *patch); + +extern struct xa_tracker *xa_tracker_create(int drm_fd); + +extern void xa_tracker_destroy(struct xa_tracker *xa); + +extern int xa_format_check_supported(struct xa_tracker *xa, + enum xa_formats xa_format, + unsigned int flags); + +extern struct xa_surface *xa_surface_create(struct xa_tracker *xa, + int width, + int height, + int depth, + enum xa_surface_type stype, + enum xa_formats pform, + unsigned int flags); + +enum xa_formats xa_surface_format(const struct xa_surface *srf); + +extern void xa_surface_destroy(struct xa_surface *srf); + +extern int xa_surface_redefine(struct xa_surface *srf, + int width, + int height, + int depth, + enum xa_surface_type stype, + enum xa_formats rgb_format, + unsigned int new_flags, + int copy_contents); + +extern int xa_surface_handle(struct xa_surface *srf, + uint32_t * handle, unsigned int *byte_stride); + +#endif |