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gl renderer: Add function to draw debug rectangle

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This commit is contained in:
Timm Bäder 2018-12-02 14:31:57 +01:00
parent 692ed4f994
commit b19926c079
1 changed files with 43 additions and 0 deletions
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43
gsk/gl/gskglrenderer.c
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@ -323,6 +323,49 @@ struct _GskGLRendererClass
G_DEFINE_TYPE (GskGLRenderer, gsk_gl_renderer, GSK_TYPE_RENDERER)
static void G_GNUC_UNUSED
add_rect_ops (RenderOpBuilder *builder,
const graphene_rect_t *r)
{
const float min_x = r->origin.x;
const float min_y = r->origin.y;
const float max_x = min_x + r->size.width;
const float max_y = min_y + r->size.height;
ops_draw (builder, (GskQuadVertex[GL_N_VERTICES]) {
{ { min_x, min_y }, { 0, 1 }, },
{ { min_x, max_y }, { 0, 0 }, },
{ { max_x, min_y }, { 1, 1 }, },
{ { max_x, max_y }, { 1, 0 }, },
{ { min_x, max_y }, { 0, 0 }, },
{ { max_x, min_y }, { 1, 1 }, },
});
}
static void G_GNUC_UNUSED
add_rect_outline_ops (GskGLRenderer *self,
RenderOpBuilder *builder,
const graphene_rect_t *rect)
{
ops_set_program (builder, &self->color_program);
ops_set_color (builder, &(GdkRGBA) { 1, 0, 0, 1 });
add_rect_ops (builder,
&GRAPHENE_RECT_INIT (rect->origin.x, rect->origin.y,
1, rect->size.height));
add_rect_ops (builder,
&GRAPHENE_RECT_INIT (rect->origin.x, rect->origin.y,
rect->size.width, 1));
add_rect_ops (builder,
&GRAPHENE_RECT_INIT (rect->origin.x + rect->size.width - 1, rect->origin.y,
1, rect->size.height));
add_rect_ops (builder,
&GRAPHENE_RECT_INIT (rect->origin.x, rect->origin.y + rect->size.height - 1,
rect->size.width, 1));
}
static inline void
rounded_rect_to_floats (GskGLRenderer *self,
RenderOpBuilder *builder,