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/*
* 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,
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,
} glamor_program_location;
typedef enum {
glamor_program_flag_none = 0,
} glamor_program_flag;
typedef enum {
glamor_program_alpha_normal,
glamor_program_alpha_ca_first,
glamor_program_alpha_ca_second,
glamor_program_alpha_dual_blend,
glamor_program_alpha_count
} glamor_program_alpha;
typedef struct _glamor_program glamor_program;
typedef Bool (*glamor_use) (PixmapPtr pixmap, GCPtr gc, glamor_program *prog, void *arg);
typedef Bool (*glamor_use_render) (CARD8 op, PicturePtr src, PicturePtr dst, glamor_program *prog);
typedef struct {
const char *name;
const int version;
char *vs_defines;
char *fs_defines;
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;
glamor_use_render use_render;
} glamor_facet;
struct _glamor_program {
GLint prog;
GLint failed;
GLint matrix_uniform;
GLint fg_uniform;
GLint bg_uniform;
GLint fill_size_inv_uniform;
GLint fill_offset_uniform;
GLint font_uniform;
GLint bitplane_uniform;
GLint bitmul_uniform;
GLint dash_uniform;
GLint dash_length_uniform;
GLint atlas_uniform;
glamor_program_location locations;
glamor_program_flag flags;
glamor_use prim_use;
glamor_use fill_use;
glamor_program_alpha alpha;
glamor_use_render prim_use_render;
glamor_use_render fill_use_render;
};
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,
const glamor_facet *fill,
const char *combine,
const char *defines);
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);
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);
#endif /* _GLAMOR_PROGRAM_H_ */
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