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gl renderer: Remove shadow program

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Drawing shadows is the same task as drawing text in our case and these
two shaders have been the same thing for quite a while.
This commit is contained in:
Timm Bäder 2018-03-15 18:07:35 +01:00
parent 0a7880110e
commit eaf899061a
5 changed files with 4 additions and 25 deletions
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7
gsk/gl/gskglrenderer.c
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@ -209,7 +209,6 @@ struct _GskGLRenderer
Program inset_shadow_program;
Program outset_shadow_program;
Program unblurred_outset_shadow_program;
Program shadow_program;
Program border_program;
Program cross_fade_program;
};
@ -1371,7 +1370,7 @@ render_shadow_node (GskGLRenderer *self,
shadow_child, &texture_id, &is_offscreen, FALSE, TRUE);
ops_offset (builder, dx, dy);
ops_set_program (builder, &self->shadow_program);
ops_set_program (builder, &self->coloring_program);
ops_set_color (builder, &shadow->color);
ops_set_texture (builder, texture_id);
if (is_offscreen)
@ -1755,7 +1754,6 @@ gsk_gl_renderer_create_programs (GskGLRenderer *self,
{ "inset shadow", "blit.vs.glsl", "inset_shadow.fs.glsl" },
{ "outset shadow", "blit.vs.glsl", "outset_shadow.fs.glsl" },
{ "unblurred outset shadow", "blit.vs.glsl", "unblurred_outset_shadow.fs.glsl" },
{ "shadow", "blit.vs.glsl", "shadow.fs.glsl" },
{ "border", "blit.vs.glsl", "border.fs.glsl" },
{ "cross fade", "blit.vs.glsl", "cross_fade.fs.glsl" },
};
@ -1874,9 +1872,6 @@ gsk_gl_renderer_create_programs (GskGLRenderer *self,
INIT_PROGRAM_UNIFORM_LOCATION (unblurred_outset_shadow, corner_widths);
INIT_PROGRAM_UNIFORM_LOCATION (unblurred_outset_shadow, corner_heights);
/* shadow */
INIT_PROGRAM_UNIFORM_LOCATION (shadow, color);
/* border */
INIT_PROGRAM_UNIFORM_LOCATION (border, color);
INIT_PROGRAM_UNIFORM_LOCATION (border, widths);

5
gsk/gl/gskglrenderopsprivate.h
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@ -10,7 +10,7 @@
#include "gskglrendererprivate.h"
#define GL_N_VERTICES 6
#define GL_N_PROGRAMS 13
#define GL_N_PROGRAMS 12
enum {
OP_NONE,
@ -63,9 +63,6 @@ typedef struct
struct {
int color_location;
} coloring;
struct {
int color_location;
} shadow;
struct {
int color_matrix_location;
int color_offset_location;

1
gsk/meson.build
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@ -11,7 +11,6 @@ gsk_private_gl_shaders = [
'resources/glsl/inset_shadow.fs.glsl',
'resources/glsl/outset_shadow.fs.glsl',
'resources/glsl/unblurred_outset_shadow.fs.glsl',
'resources/glsl/shadow.fs.glsl',
'resources/glsl/border.fs.glsl',
'resources/glsl/cross_fade.fs.glsl',
'resources/glsl/es2_common.fs.glsl',

3
gsk/resources/glsl/coloring.fs.glsl
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@ -8,6 +8,7 @@ void main() {
color.rgb *= color.a;
// u_source is drawn using cairo, so already pre-multiplied.
color = vec4(u_color.rgb * diffuse.a * u_alpha, diffuse.a * color.a * u_alpha);
setOutputColor(color * diffuse * u_alpha);
setOutputColor(color);
}

13
gsk/resources/glsl/shadow.fs.glsl
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@ -1,13 +0,0 @@
uniform vec4 u_color;
void main() {
vec4 diffuse = Texture(u_source, vUv);
vec4 color = u_color;
// pre-multiply
color.rgb *= color.a;
color = vec4(u_color.rgb * diffuse.a * u_alpha, diffuse.a * color.a * u_alpha);
setOutputColor(color);
}