[gtk/wip/chergert/glproto: 183/526] implement conic gradient
- From: Christian Hergert <chergert src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/wip/chergert/glproto: 183/526] implement conic gradient
- Date: Tue, 16 Feb 2021 01:14:28 +0000 (UTC)
commit 4ad4a168f3e1af9a35b8f43bddd994474dc94f46
Author: Christian Hergert <chergert redhat com>
Date: Sat Jan 2 11:09:27 2021 -0800
implement conic gradient
gsk/next/gskglrenderjob.c | 109 +++++++++++++++++++++++++++++++---------------
1 file changed, 73 insertions(+), 36 deletions(-)
---
diff --git a/gsk/next/gskglrenderjob.c b/gsk/next/gskglrenderjob.c
index eac1caccfb..1430db7cfc 100644
--- a/gsk/next/gskglrenderjob.c
+++ b/gsk/next/gskglrenderjob.c
@@ -729,40 +729,68 @@ static void
gsk_gl_render_job_visit_linear_gradient_node (GskGLRenderJob *job,
GskRenderNode *node)
{
+ GskGLRenderModelview *modelview = gsk_gl_render_job_get_modelview (job);
+ const GskColorStop *stops = gsk_linear_gradient_node_get_color_stops (node, NULL);
+ const graphene_point_t *start = gsk_linear_gradient_node_get_start (node);
+ const graphene_point_t *end = gsk_linear_gradient_node_get_end (node);
int n_color_stops = gsk_linear_gradient_node_get_n_color_stops (node);
- if (n_color_stops < MAX_GRADIENT_STOPS)
- {
- GskGLRenderModelview *modelview = gsk_gl_render_job_get_modelview (job);
- const GskColorStop *stops = gsk_linear_gradient_node_get_color_stops (node, NULL);
- const graphene_point_t *start = gsk_linear_gradient_node_get_start (node);
- const graphene_point_t *end = gsk_linear_gradient_node_get_end (node);
+ g_assert (n_color_stops < MAX_GRADIENT_STOPS);
- gsk_gl_program_begin_draw (job->driver->linear_gradient,
- &job->viewport,
- &job->projection,
- &modelview->matrix,
- gsk_gl_render_job_get_clip (job));
- gsk_gl_program_set_uniform1i (job->driver->linear_gradient,
- UNIFORM_LINEAR_GRADIENT_NUM_COLOR_STOPS,
- n_color_stops);
- gsk_gl_program_set_uniform1fv (job->driver->linear_gradient,
- UNIFORM_LINEAR_GRADIENT_COLOR_STOPS,
- n_color_stops * 5,
- (const float *)stops);
- gsk_gl_program_set_uniform2f (job->driver->linear_gradient,
- UNIFORM_LINEAR_GRADIENT_START_POINT,
- start->x, start->y);
- gsk_gl_program_set_uniform2f (job->driver->linear_gradient,
- UNIFORM_LINEAR_GRADIENT_END_POINT,
- end->x, end->y);
- gsk_gl_render_job_draw_rect (job, &node->bounds);
- gsk_gl_program_end_draw (job->driver->linear_gradient);
- }
- else
- {
- gsk_gl_render_job_visit_as_fallback (job, node);
- }
+ gsk_gl_program_begin_draw (job->driver->linear_gradient,
+ &job->viewport,
+ &job->projection,
+ &modelview->matrix,
+ gsk_gl_render_job_get_clip (job));
+ gsk_gl_program_set_uniform1i (job->driver->linear_gradient,
+ UNIFORM_LINEAR_GRADIENT_NUM_COLOR_STOPS,
+ n_color_stops);
+ gsk_gl_program_set_uniform1fv (job->driver->linear_gradient,
+ UNIFORM_LINEAR_GRADIENT_COLOR_STOPS,
+ n_color_stops * 5,
+ (const float *)stops);
+ gsk_gl_program_set_uniform2f (job->driver->linear_gradient,
+ UNIFORM_LINEAR_GRADIENT_START_POINT,
+ start->x, start->y);
+ gsk_gl_program_set_uniform2f (job->driver->linear_gradient,
+ UNIFORM_LINEAR_GRADIENT_END_POINT,
+ end->x, end->y);
+ gsk_gl_render_job_draw_rect (job, &node->bounds);
+ gsk_gl_program_end_draw (job->driver->linear_gradient);
+}
+
+static void
+gsk_gl_render_job_visit_conic_gradient_node (GskGLRenderJob *job,
+ GskRenderNode *node)
+{
+ GskGLRenderModelview *modelview = gsk_gl_render_job_get_modelview (job);
+ const GskColorStop *stops = gsk_conic_gradient_node_get_color_stops (node, NULL);
+ const graphene_point_t *center = gsk_conic_gradient_node_get_center (node);
+ float rotation = gsk_conic_gradient_node_get_rotation (node);
+ int n_color_stops = gsk_conic_gradient_node_get_n_color_stops (node);
+
+ g_assert (n_color_stops < MAX_GRADIENT_STOPS);
+
+ gsk_gl_program_begin_draw (job->driver->conic_gradient,
+ &job->viewport,
+ &job->projection,
+ &modelview->matrix,
+ gsk_gl_render_job_get_clip (job));
+ gsk_gl_program_set_uniform1i (job->driver->conic_gradient,
+ UNIFORM_CONIC_GRADIENT_NUM_COLOR_STOPS,
+ n_color_stops);
+ gsk_gl_program_set_uniform1fv (job->driver->conic_gradient,
+ UNIFORM_CONIC_GRADIENT_COLOR_STOPS,
+ n_color_stops * 5,
+ (const float *)stops);
+ gsk_gl_program_set_uniform2f (job->driver->conic_gradient,
+ UNIFORM_CONIC_GRADIENT_CENTER,
+ center->x, center->y);
+ gsk_gl_program_set_uniform1f (job->driver->conic_gradient,
+ UNIFORM_CONIC_GRADIENT_ROTATION,
+ rotation);
+ gsk_gl_render_job_draw_rect (job, &node->bounds);
+ gsk_gl_program_end_draw (job->driver->conic_gradient);
}
static void
@@ -1370,10 +1398,6 @@ gsk_gl_render_job_visit_node (GskGLRenderJob *job,
gsk_gl_render_job_visit_color_node (job, node);
break;
- case GSK_LINEAR_GRADIENT_NODE:
- gsk_gl_render_job_visit_linear_gradient_node (job, node);
- break;
-
case GSK_TRANSFORM_NODE:
gsk_gl_render_job_visit_transform_node (job, node);
break;
@@ -1407,11 +1431,24 @@ gsk_gl_render_job_visit_node (GskGLRenderJob *job,
gsk_gl_render_job_visit_unblurred_outset_shadow_node (job, node);
break;
+ case GSK_LINEAR_GRADIENT_NODE:
+ if (gsk_linear_gradient_node_get_n_color_stops (node) < MAX_GRADIENT_STOPS)
+ gsk_gl_render_job_visit_linear_gradient_node (job, node);
+ else
+ gsk_gl_render_job_visit_as_fallback (job, node);
+ break;
+
+ case GSK_CONIC_GRADIENT_NODE:
+ if (gsk_conic_gradient_node_get_n_color_stops (node) < MAX_GRADIENT_STOPS)
+ gsk_gl_render_job_visit_conic_gradient_node (job, node);
+ else
+ gsk_gl_render_job_visit_as_fallback (job, node);
+ break;
+
case GSK_BLEND_NODE:
case GSK_BLUR_NODE:
case GSK_CAIRO_NODE:
case GSK_COLOR_MATRIX_NODE:
- case GSK_CONIC_GRADIENT_NODE:
case GSK_CROSS_FADE_NODE:
case GSK_GL_SHADER_NODE:
case GSK_OPACITY_NODE:
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