155 lines
5.7 KiB
C
155 lines
5.7 KiB
C
/*
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* Copyright © 2014 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef _GLAMOR_PROGRAM_H_
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#define _GLAMOR_PROGRAM_H_
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typedef enum {
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glamor_program_location_none = 0,
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glamor_program_location_fg = 1,
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glamor_program_location_bg = 2,
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glamor_program_location_fillsamp = 4,
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glamor_program_location_fillpos = 8,
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glamor_program_location_font = 16,
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glamor_program_location_bitplane = 32,
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glamor_program_location_dash = 64,
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glamor_program_location_atlas = 128,
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} glamor_program_location;
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typedef enum {
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glamor_program_flag_none = 0,
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} glamor_program_flag;
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typedef enum {
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glamor_program_alpha_normal,
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glamor_program_alpha_ca_first,
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glamor_program_alpha_ca_second,
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glamor_program_alpha_dual_blend,
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glamor_program_alpha_count
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} glamor_program_alpha;
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typedef struct _glamor_program glamor_program;
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typedef Bool (*glamor_use) (PixmapPtr pixmap, GCPtr gc, glamor_program *prog, void *arg);
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typedef Bool (*glamor_use_render) (CARD8 op, PicturePtr src, PicturePtr dst, glamor_program *prog);
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typedef struct {
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const char *name;
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const int version;
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char *vs_defines;
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char *fs_defines;
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const char *vs_vars;
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const char *vs_exec;
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const char *fs_vars;
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const char *fs_exec;
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const glamor_program_location locations;
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const glamor_program_flag flags;
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const char *source_name;
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glamor_use use;
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glamor_use_render use_render;
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} glamor_facet;
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struct _glamor_program {
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GLint prog;
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GLint failed;
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GLint matrix_uniform;
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GLint fg_uniform;
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GLint bg_uniform;
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GLint fill_size_inv_uniform;
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GLint fill_offset_uniform;
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GLint font_uniform;
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GLint bitplane_uniform;
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GLint bitmul_uniform;
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GLint dash_uniform;
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GLint dash_length_uniform;
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GLint atlas_uniform;
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glamor_program_location locations;
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glamor_program_flag flags;
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glamor_use prim_use;
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glamor_use fill_use;
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glamor_program_alpha alpha;
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glamor_use_render prim_use_render;
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glamor_use_render fill_use_render;
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};
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typedef struct {
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glamor_program progs[4];
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} glamor_program_fill;
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extern const glamor_facet glamor_fill_solid;
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Bool
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glamor_build_program(ScreenPtr screen,
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glamor_program *prog,
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const glamor_facet *prim,
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const glamor_facet *fill,
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const char *combine,
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const char *defines);
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Bool
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glamor_use_program(PixmapPtr pixmap,
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GCPtr gc,
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glamor_program *prog,
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void *arg);
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glamor_program *
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glamor_use_program_fill(PixmapPtr pixmap,
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GCPtr gc,
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glamor_program_fill *program_fill,
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const glamor_facet *prim);
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typedef enum {
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glamor_program_source_solid,
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glamor_program_source_picture,
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glamor_program_source_1x1_picture,
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glamor_program_source_count,
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} glamor_program_source;
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typedef struct {
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glamor_program progs[glamor_program_source_count][glamor_program_alpha_count];
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} glamor_program_render;
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static inline Bool
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glamor_is_component_alpha(PicturePtr mask) {
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if (mask && mask->componentAlpha && PICT_FORMAT_RGB(mask->format))
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return TRUE;
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return FALSE;
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}
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glamor_program *
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glamor_setup_program_render(CARD8 op,
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PicturePtr src,
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PicturePtr mask,
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PicturePtr dst,
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glamor_program_render *program_render,
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const glamor_facet *prim,
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const char *defines);
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Bool
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glamor_use_program_render(glamor_program *prog,
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CARD8 op,
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PicturePtr src,
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PicturePtr dst);
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#endif /* _GLAMOR_PROGRAM_H_ */
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