glamor_program.h 5.68 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
/*
 * Copyright © 2014 Keith Packard
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that copyright
 * notice and this permission notice appear in supporting documentation, and
 * that the name of the copyright holders not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  The copyright holders make no representations
 * about the suitability of this software for any purpose.  It is provided "as
 * is" without express or implied warranty.
 *
 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
 * OF THIS SOFTWARE.
 */

#ifndef _GLAMOR_PROGRAM_H_
#define _GLAMOR_PROGRAM_H_

typedef enum {
    glamor_program_location_none = 0,
    glamor_program_location_fg = 1,
    glamor_program_location_bg = 2,
30 31 32 33 34 35
    glamor_program_location_fillsamp = 4,
    glamor_program_location_fillpos = 8,
    glamor_program_location_font = 16,
    glamor_program_location_bitplane = 32,
    glamor_program_location_dash = 64,
    glamor_program_location_atlas = 128,
36 37 38 39 40 41
} glamor_program_location;

typedef enum {
    glamor_program_flag_none = 0,
} glamor_program_flag;

42 43 44 45
typedef enum {
    glamor_program_alpha_normal,
    glamor_program_alpha_ca_first,
    glamor_program_alpha_ca_second,
46
    glamor_program_alpha_dual_blend,
47 48 49
    glamor_program_alpha_count
} glamor_program_alpha;

50 51 52 53
typedef struct _glamor_program glamor_program;

typedef Bool (*glamor_use) (PixmapPtr pixmap, GCPtr gc, glamor_program *prog, void *arg);

54 55
typedef Bool (*glamor_use_render) (CARD8 op, PicturePtr src, PicturePtr dst, glamor_program *prog);

56 57 58
typedef struct {
    const char                          *name;
    const int                           version;
59 60
    char                                *vs_defines;
    char                                *fs_defines;
61 62 63 64 65 66 67 68
    const char                          *vs_vars;
    const char                          *vs_exec;
    const char                          *fs_vars;
    const char                          *fs_exec;
    const glamor_program_location       locations;
    const glamor_program_flag           flags;
    const char                          *source_name;
    glamor_use                          use;
69
    glamor_use_render                   use_render;
70 71 72 73 74 75 76 77
} glamor_facet;

struct _glamor_program {
    GLint                       prog;
    GLint                       failed;
    GLint                       matrix_uniform;
    GLint                       fg_uniform;
    GLint                       bg_uniform;
78
    GLint                       fill_size_inv_uniform;
79 80
    GLint                       fill_offset_uniform;
    GLint                       font_uniform;
81 82
    GLint                       bitplane_uniform;
    GLint                       bitmul_uniform;
83 84
    GLint                       dash_uniform;
    GLint                       dash_length_uniform;
85
    GLint                       atlas_uniform;
86 87 88 89
    glamor_program_location     locations;
    glamor_program_flag         flags;
    glamor_use                  prim_use;
    glamor_use                  fill_use;
90 91 92
    glamor_program_alpha        alpha;
    glamor_use_render           prim_use_render;
    glamor_use_render           fill_use_render;
93 94 95 96 97 98 99 100 101 102 103 104
};

typedef struct {
    glamor_program      progs[4];
} glamor_program_fill;

extern const glamor_facet glamor_fill_solid;

Bool
glamor_build_program(ScreenPtr          screen,
                     glamor_program     *prog,
                     const glamor_facet *prim,
105 106 107
                     const glamor_facet *fill,
                     const char         *combine,
                     const char         *defines);
108 109 110 111 112 113 114 115 116 117 118 119 120

Bool
glamor_use_program(PixmapPtr            pixmap,
                   GCPtr                gc,
                   glamor_program       *prog,
                   void                 *arg);

glamor_program *
glamor_use_program_fill(PixmapPtr               pixmap,
                        GCPtr                   gc,
                        glamor_program_fill     *program_fill,
                        const glamor_facet      *prim);

121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153
typedef enum {
    glamor_program_source_solid,
    glamor_program_source_picture,
    glamor_program_source_1x1_picture,
    glamor_program_source_count,
} glamor_program_source;

typedef struct {
    glamor_program      progs[glamor_program_source_count][glamor_program_alpha_count];
} glamor_program_render;

static inline Bool
glamor_is_component_alpha(PicturePtr mask) {
    if (mask && mask->componentAlpha && PICT_FORMAT_RGB(mask->format))
        return TRUE;
    return FALSE;
}

glamor_program *
glamor_setup_program_render(CARD8                 op,
                            PicturePtr            src,
                            PicturePtr            mask,
                            PicturePtr            dst,
                            glamor_program_render *program_render,
                            const glamor_facet    *prim,
                            const char            *defines);

Bool
glamor_use_program_render(glamor_program        *prog,
                          CARD8                 op,
                          PicturePtr            src,
                          PicturePtr            dst);

154
#endif /* _GLAMOR_PROGRAM_H_ */