88 lines
3.3 KiB
C
88 lines
3.3 KiB
C
/*
|
|
* 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_TRANSFORM_H_
|
|
#define _GLAMOR_TRANSFORM_H_
|
|
|
|
void
|
|
glamor_set_destination_drawable(DrawablePtr drawable,
|
|
int box_x,
|
|
int box_y,
|
|
Bool do_drawable_translate,
|
|
Bool center_offset,
|
|
GLint matrix_uniform_location,
|
|
int *p_off_x,
|
|
int *p_off_y);
|
|
|
|
void
|
|
glamor_set_color(PixmapPtr pixmap,
|
|
CARD32 pixel,
|
|
GLint uniform);
|
|
|
|
Bool
|
|
glamor_set_texture(PixmapPtr pixmap,
|
|
PixmapPtr texture,
|
|
int off_x,
|
|
int off_y,
|
|
GLint offset_uniform,
|
|
GLint size_uniform);
|
|
|
|
Bool
|
|
glamor_set_solid(PixmapPtr pixmap,
|
|
GCPtr gc,
|
|
Bool use_alu,
|
|
GLint uniform);
|
|
|
|
Bool
|
|
glamor_set_tiled(PixmapPtr pixmap,
|
|
GCPtr gc,
|
|
GLint offset_uniform,
|
|
GLint size_uniform);
|
|
|
|
Bool
|
|
glamor_set_stippled(PixmapPtr pixmap,
|
|
GCPtr gc,
|
|
GLint fg_uniform,
|
|
GLint offset_uniform,
|
|
GLint size_uniform);
|
|
|
|
/*
|
|
* Vertex shader bits that transform X coordinates to pixmap
|
|
* coordinates using the matrix computed above
|
|
*/
|
|
|
|
#define GLAMOR_DECLARE_MATRIX "uniform vec4 v_matrix;\n"
|
|
#define GLAMOR_X_POS(x) #x " *v_matrix.x + v_matrix.y"
|
|
#define GLAMOR_Y_POS(y) #y " *v_matrix.z + v_matrix.w"
|
|
#if 0
|
|
#define GLAMOR_POS(dst,src) \
|
|
" " #dst ".x = " #src ".x * v_matrix.x + v_matrix.y;\n" \
|
|
" " #dst ".y = " #src ".y * v_matrix.z + v_matrix.w;\n" \
|
|
" " #dst ".z = 0.0;\n" \
|
|
" " #dst ".w = 1.0;\n"
|
|
#endif
|
|
#define GLAMOR_POS(dst,src) \
|
|
" " #dst ".xy = " #src ".xy * v_matrix.xz + v_matrix.yw;\n" \
|
|
" " #dst ".zw = vec2(0.0,1.0);\n"
|
|
|
|
#endif /* _GLAMOR_TRANSFORM_H_ */
|