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gl renderer: Split out a utility function

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This commit is contained in:
Timm Bäder 2017-12-01 09:58:58 +01:00
parent 8c9e203458
commit c524ac7bb5
1 changed files with 56 additions and 41 deletions
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97
gsk/gl/gskglrenderer.c
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@ -195,6 +195,53 @@ struct _GskGLRendererClass
G_DEFINE_TYPE (GskGLRenderer, gsk_gl_renderer, GSK_TYPE_RENDERER)
static inline void
render_fallback_node (GskGLRenderer *self,
GskRenderNode *node,
RenderOpBuilder *builder,
const GskQuadVertex *vertex_data)
{
cairo_surface_t *surface;
cairo_t *cr;
int texture_id;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
ceilf (node->bounds.size.width) * self->scale_factor,
ceilf (node->bounds.size.height) * self->scale_factor);
cairo_surface_set_device_scale (surface, self->scale_factor, self->scale_factor);
cr = cairo_create (surface);
cairo_save (cr);
cairo_translate (cr, -node->bounds.origin.x, -node->bounds.origin.y);
gsk_render_node_draw (node, cr);
cairo_restore (cr);
#if HIGHLIGHT_FALLBACK
cairo_move_to (cr, 0, 0);
cairo_rectangle (cr, 0, 0, node->bounds.size.width, node->bounds.size.height);
cairo_set_source_rgba (cr, 1, 0, 0, 1);
cairo_stroke (cr);
#endif
cairo_destroy (cr);
/* Upload the Cairo surface to a GL texture */
texture_id = gsk_gl_driver_create_texture (self->gl_driver,
node->bounds.size.width * self->scale_factor,
node->bounds.size.height * self->scale_factor);
gsk_gl_driver_bind_source_texture (self->gl_driver, texture_id);
gsk_gl_driver_init_texture_with_surface (self->gl_driver,
texture_id,
surface,
GL_NEAREST, GL_NEAREST);
cairo_surface_destroy (surface);
ops_set_program (builder, &self->blit_program);
ops_set_texture (builder, texture_id);
ops_draw (builder, vertex_data);
}
static void
gsk_gl_renderer_dispose (GObject *gobject)
{
@ -1003,7 +1050,10 @@ gsk_gl_renderer_add_render_ops (GskGLRenderer *self,
/* TODO: Implement blurred inset shadows as well */
if (gsk_inset_shadow_node_get_blur_radius (node) > 0)
goto do_default;
{
render_fallback_node (self, node, builder, vertex_data);
break;
}
op.op = OP_CHANGE_INSET_SHADOW;
rgba_to_float (gsk_inset_shadow_node_peek_color (node), op.inset_shadow.color);
@ -1028,7 +1078,10 @@ gsk_gl_renderer_add_render_ops (GskGLRenderer *self,
/* TODO: Implement blurred outset shadows as well */
if (gsk_outset_shadow_node_get_blur_radius (node) > 0)
goto do_default;
{
render_fallback_node (self, node, builder, vertex_data);
break;
}
op.op = OP_CHANGE_OUTSET_SHADOW;
rgba_to_float (gsk_outset_shadow_node_peek_color (node), op.outset_shadow.color);
@ -1057,45 +1110,7 @@ do_default:
case GSK_REPEAT_NODE:
default:
{
cairo_surface_t *surface;
cairo_t *cr;
int texture_id;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
ceilf (node->bounds.size.width) * self->scale_factor,
ceilf (node->bounds.size.height) * self->scale_factor);
cairo_surface_set_device_scale (surface, self->scale_factor, self->scale_factor);
cr = cairo_create (surface);
cairo_save (cr);
cairo_translate (cr, -min_x, -min_y);
gsk_render_node_draw (node, cr);
cairo_restore (cr);
#if HIGHLIGHT_FALLBACK
cairo_move_to (cr, 0, 0);
cairo_rectangle (cr, 0, 0, max_x - min_x, max_y - min_y);
cairo_set_source_rgba (cr, 1, 0, 0, 1);
cairo_stroke (cr);
#endif
cairo_destroy (cr);
/* Upload the Cairo surface to a GL texture */
texture_id = gsk_gl_driver_create_texture (self->gl_driver,
node->bounds.size.width * self->scale_factor,
node->bounds.size.height * self->scale_factor);
gsk_gl_driver_bind_source_texture (self->gl_driver, texture_id);
gsk_gl_driver_init_texture_with_surface (self->gl_driver,
texture_id,
surface,
GL_NEAREST, GL_NEAREST);
cairo_surface_destroy (surface);
ops_set_program (builder, &self->blit_program);
ops_set_texture (builder, texture_id);
ops_draw (builder, vertex_data);
render_fallback_node (self, node, builder, vertex_data);
}
}
}