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gl renderer: Force cross-fade nodes offscreen

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This commit is contained in:
Timm Bäder 2017-12-19 12:45:32 +01:00
parent 48be2aed23
commit 490e15021c
1 changed files with 11 additions and 9 deletions
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20
gsk/gl/gskglrenderer.c
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@ -159,7 +159,8 @@ static void add_offscreen_ops (GskGLRenderer *self,
float max_y,
GskRenderNode *child_node,
int *texture_id,
gboolean *is_offscreen);
gboolean *is_offscreen,
gboolean force_offscreen);
static void gsk_gl_renderer_add_render_ops (GskGLRenderer *self,
GskRenderNode *node,
RenderOpBuilder *builder);
@ -748,7 +749,7 @@ render_color_matrix_node (GskGLRenderer *self,
add_offscreen_ops (self, builder, min_x, max_x, min_y, max_y,
gsk_color_matrix_node_get_child (node),
&texture_id, &is_offscreen);
&texture_id, &is_offscreen, FALSE);
ops_set_program (builder, &self->color_matrix_program);
ops_set_color_matrix (builder,
@ -792,7 +793,7 @@ render_blur_node (GskGLRenderer *self,
RenderOp op;
add_offscreen_ops (self, builder, min_x, max_x, min_y, max_y,
gsk_blur_node_get_child (node),
&texture_id, &is_offscreen);
&texture_id, &is_offscreen, FALSE);
ops_set_program (builder, &self->blur_program);
op.op = OP_CHANGE_BLUR;
@ -952,7 +953,7 @@ render_shadow_node (GskGLRenderer *self,
add_offscreen_ops (self, builder,
dx + min_x, dx + max_x, dy + min_y, dy + max_y,
shadow_child, &texture_id, &is_offscreen);
shadow_child, &texture_id, &is_offscreen, FALSE);
ops_offset (builder, prev_dx, prev_dy);
@ -1007,7 +1008,7 @@ render_cross_fade_node (GskGLRenderer *self,
float progress = gsk_cross_fade_node_get_progress (node);
int start_texture_id;
int end_texture_id;
gboolean is_offscreen;
gboolean is_offscreen1, is_offscreen2;
RenderOp op;
const GskQuadVertex vertex_data[GL_N_VERTICES] = {
{ { min_x, min_y }, { 0, 1 }, },
@ -1023,10 +1024,10 @@ render_cross_fade_node (GskGLRenderer *self,
* start and the end node might be a lot smaller than that. */
add_offscreen_ops (self, builder, min_x, max_x, min_y, max_y, start_node,
&start_texture_id, &is_offscreen);
&start_texture_id, &is_offscreen1, TRUE);
add_offscreen_ops (self, builder, min_x, max_x, min_y, max_y, end_node,
&end_texture_id, &is_offscreen);
&end_texture_id, &is_offscreen2, TRUE);
ops_set_program (builder, &self->cross_fade_program);
op.op = OP_CHANGE_CROSS_FADE;
@ -1818,7 +1819,8 @@ add_offscreen_ops (GskGLRenderer *self,
float max_y,
GskRenderNode *child_node,
int *texture_id,
gboolean *is_offscreen)
gboolean *is_offscreen,
gboolean force_offscreen)
{
int render_target;
int prev_render_target;
@ -1831,7 +1833,7 @@ add_offscreen_ops (GskGLRenderer *self,
/* We need the child node as a texture. If it already is one, we don't need to draw
* it on a framebuffer of course. */
if (gsk_render_node_get_node_type (child_node) == GSK_TEXTURE_NODE)
if (gsk_render_node_get_node_type (child_node) == GSK_TEXTURE_NODE && !force_offscreen)
{
GdkTexture *texture = gsk_texture_node_get_texture (child_node);
int gl_min_filter = GL_NEAREST, gl_mag_filter = GL_NEAREST;