mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2025-01-16 07:04:29 +00:00
1a85d569e3
This heaves over an inital chunk of code from the Vulkan renderer to execute shaders. The only shader that exists for now is a shader that draws a single texture. We use that to replace the blit op we were doing before.
45 lines
650 B
GLSL
45 lines
650 B
GLSL
#include "common.glsl"
|
|
|
|
PASS(0) vec2 _pos;
|
|
PASS_FLAT(1) Rect _rect;
|
|
PASS(2) vec2 _tex_coord;
|
|
PASS_FLAT(3) uint _tex_id;
|
|
|
|
|
|
|
|
#ifdef GSK_VERTEX_SHADER
|
|
|
|
IN(0) vec4 in_rect;
|
|
IN(1) vec4 in_tex_rect;
|
|
IN(2) uint in_tex_id;
|
|
|
|
void
|
|
run (out vec2 pos)
|
|
{
|
|
Rect r = rect_from_gsk (in_rect);
|
|
|
|
pos = rect_get_position (r);
|
|
|
|
_pos = pos;
|
|
_rect = r;
|
|
_tex_coord = rect_get_coord (rect_from_gsk (in_tex_rect), pos);
|
|
_tex_id = in_tex_id;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef GSK_FRAGMENT_SHADER
|
|
|
|
void
|
|
run (out vec4 color,
|
|
out vec2 position)
|
|
{
|
|
color = texture (gsk_get_texture (_tex_id), _tex_coord) *
|
|
rect_coverage (_rect, _pos);
|
|
position = _pos;
|
|
}
|
|
|
|
#endif
|