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gl renderer: Take a TextureRegion in blur_texture

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So we can refer to textures on a texture atlas.
This commit is contained in:
Timm Bäder 2019-11-29 06:53:57 +01:00
parent 22b6085c32
commit 8d61d9f627
1 changed files with 24 additions and 15 deletions
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39
gsk/gl/gskglrenderer.c
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@ -1368,12 +1368,12 @@ render_color_matrix_node (GskGLRenderer *self,
}
static inline int
blur_texture (GskGLRenderer *self,
RenderOpBuilder *builder,
int texture_to_blur,
const int texture_to_blur_width,
const int texture_to_blur_height,
float blur_radius)
blur_texture (GskGLRenderer *self,
RenderOpBuilder *builder,
const TextureRegion *region,
const int texture_to_blur_width,
const int texture_to_blur_height,
float blur_radius)
{
int pass1_texture_id, pass1_render_target;
int pass2_texture_id, pass2_render_target;
@ -1413,18 +1413,27 @@ blur_texture (GskGLRenderer *self,
op->radius = blur_radius;
op->dir[0] = 1;
op->dir[1] = 0;
ops_set_texture (builder, texture_to_blur);
ops_set_texture (builder, region->texture_id);
ops_draw (builder, (GskQuadVertex[GL_N_VERTICES]) {
{ { 0, }, { 0, 1 }, },
{ { 0, texture_to_blur_height }, { 0, 0 }, },
{ { texture_to_blur_width, }, { 1, 1 }, },
{ { 0, }, { region->x, region->y2 }, },
{ { 0, texture_to_blur_height }, { region->x, region->y }, },
{ { texture_to_blur_width, }, { region->x2, region->y2 }, },
{ { texture_to_blur_width, texture_to_blur_height }, { 1, 0 }, },
{ { 0, texture_to_blur_height }, { 0, 0 }, },
{ { texture_to_blur_width, }, { 1, 1 }, },
{ { texture_to_blur_width, texture_to_blur_height }, { region->x2, region->y }, },
{ { 0, texture_to_blur_height }, { region->x, region->y }, },
{ { texture_to_blur_width, }, { region->x2, region->y2 }, },
});
#if 0
{
static int k;
ops_dump_framebuffer (builder,
g_strdup_printf ("pass1_%d.png", k++),
texture_to_blur_width,
texture_to_blur_height);
}
#endif
op = ops_begin (builder, OP_CHANGE_BLUR);
op->size.width = texture_to_blur_width;
op->size.height = texture_to_blur_height;
@ -1500,7 +1509,7 @@ render_blur_node (GskGLRenderer *self,
g_assert (is_offscreen);
blurred_texture_id = blur_texture (self, builder,
region.texture_id,
&region,
node->bounds.size.width * scale,
node->bounds.size.height * scale,
blur_radius * scale);
@ -1685,7 +1694,7 @@ render_outset_shadow_node (GskGLRenderer *self,
/* Now blur the outline */
blurred_texture_id = blur_texture (self, builder,
texture_id,
&(TextureRegion) { texture_id, 0, 0, 1, 1 },
texture_width,
texture_height,
blur_radius * scale);