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shaped-texture: Use graphene APIs

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This is a slightly delicate port; much like the ClutterActor port,
using graphene required swapping the order of operations upside down.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1439
This commit is contained in:
Georges Basile Stavracas Neto 2020-09-11 19:07:06 -03:00
parent 182b51774e
commit 4376f59c1e
1 changed files with 42 additions and 38 deletions
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80
src/compositor/meta-shaped-texture.c
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@ -288,20 +288,14 @@ get_base_pipeline (MetaShapedTexture *stex,
cogl_pipeline_set_layer_wrap_mode_t (pipeline, 1,
COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE);
cogl_matrix_init_identity (&matrix);
if (!stex->is_y_inverted)
{
cogl_matrix_scale (&matrix, 1, -1, 1);
cogl_matrix_translate (&matrix, 0, -1, 0);
cogl_pipeline_set_layer_matrix (pipeline, 0, &matrix);
}
graphene_matrix_init_identity (&matrix);
if (stex->transform != META_MONITOR_TRANSFORM_NORMAL)
{
graphene_euler_t euler;
cogl_matrix_translate (&matrix, 0.5, 0.5, 0.0);
graphene_matrix_translate (&matrix,
&GRAPHENE_POINT3D_INIT (-0.5, -0.5, 0.0));
switch (stex->transform)
{
case META_MONITOR_TRANSFORM_90:
@ -335,40 +329,50 @@ get_base_pipeline (MetaShapedTexture *stex,
case META_MONITOR_TRANSFORM_NORMAL:
g_assert_not_reached ();
}
cogl_matrix_rotate_euler (&matrix, &euler);
cogl_matrix_translate (&matrix, -0.5, -0.5, 0.0);
graphene_matrix_rotate_euler (&matrix, &euler);
graphene_matrix_translate (&matrix,
&GRAPHENE_POINT3D_INIT (0.5, 0.5, 0.0));
}
if (stex->has_viewport_src_rect)
{
float scaled_tex_width = stex->tex_width / (float) stex->buffer_scale;
float scaled_tex_height = stex->tex_height / (float) stex->buffer_scale;
graphene_point3d_t p;
if (meta_monitor_transform_is_rotated (stex->transform))
{
cogl_matrix_scale (&matrix,
stex->viewport_src_rect.size.width /
scaled_tex_height,
stex->viewport_src_rect.size.height /
scaled_tex_width,
1);
}
else
{
cogl_matrix_scale (&matrix,
stex->viewport_src_rect.size.width /
scaled_tex_width,
stex->viewport_src_rect.size.height /
scaled_tex_height,
1);
}
cogl_matrix_translate (&matrix,
graphene_point3d_init (&p,
stex->viewport_src_rect.origin.x /
stex->viewport_src_rect.size.width,
stex->viewport_src_rect.origin.y /
stex->viewport_src_rect.size.height,
0);
graphene_matrix_translate (&matrix, &p);
if (meta_monitor_transform_is_rotated (stex->transform))
{
graphene_matrix_scale (&matrix,
stex->viewport_src_rect.size.width /
scaled_tex_height,
stex->viewport_src_rect.size.height /
scaled_tex_width,
1);
}
else
{
graphene_matrix_scale (&matrix,
stex->viewport_src_rect.size.width /
scaled_tex_width,
stex->viewport_src_rect.size.height /
scaled_tex_height,
1);
}
}
if (!stex->is_y_inverted)
{
graphene_matrix_translate (&matrix, &GRAPHENE_POINT3D_INIT (0, -1, 0));
graphene_matrix_scale (&matrix, 1, -1, 1);
cogl_pipeline_set_layer_matrix (pipeline, 0, &matrix);
}
cogl_pipeline_set_layer_matrix (pipeline, 0, &matrix);
@ -1403,13 +1407,13 @@ get_image_via_offscreen (MetaShapedTexture *stex,
}
cogl_framebuffer_push_matrix (fb);
cogl_matrix_init_identity (&projection_matrix);
cogl_matrix_scale (&projection_matrix,
1.0 / (image_width / 2.0),
-1.0 / (image_height / 2.0), 0);
cogl_matrix_translate (&projection_matrix,
-(image_width / 2.0),
-(image_height / 2.0), 0);
graphene_matrix_init_translate (&projection_matrix,
&GRAPHENE_POINT3D_INIT (-(image_width / 2.0),
-(image_height / 2.0),
0));
graphene_matrix_scale (&projection_matrix,
1.0 / (image_width / 2.0),
-1.0 / (image_height / 2.0), 0);
cogl_framebuffer_set_projection_matrix (fb, &projection_matrix);