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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#define VECS_PER_SPECIFIC_BRUSH 1
#include shared,prim_shared,brush
flat varying vec4 v_color;
#ifdef WR_FEATURE_ALPHA_PASS
varying vec2 v_local_pos;
#endif
#ifdef WR_VERTEX_SHADER
struct SolidBrush {
vec4 color;
};
SolidBrush fetch_solid_primitive(int address) {
vec4 data = fetch_from_gpu_cache_1(address);
return SolidBrush(data);
}
void brush_vs(
VertexInfo vi,
int prim_address,
RectWithSize local_rect,
RectWithSize segment_rect,
ivec4 prim_user_data,
int specific_resource_address,
mat4 transform,
PictureTask pic_task,
int brush_flags,
vec4 unused
) {
SolidBrush prim = fetch_solid_primitive(prim_address);
float opacity = float(prim_user_data.x) / 65535.0;
v_color = prim.color * opacity;
#ifdef WR_FEATURE_ALPHA_PASS
v_local_pos = vi.local_pos;
#endif
}
#endif
#ifdef WR_FRAGMENT_SHADER
Fragment brush_fs() {
vec4 color = v_color;
#ifdef WR_FEATURE_ALPHA_PASS
color *= init_transform_fs(v_local_pos);
#endif
return Fragment(color);
}
#if defined(SWGL) && (!defined(WR_FEATURE_ALPHA_PASS) || !defined(WR_FEATURE_DUAL_SOURCE_BLENDING))
void swgl_drawSpanRGBA8() {
#ifdef WR_FEATURE_ALPHA_PASS
if (has_valid_transform_bounds()) {
while (swgl_SpanLength > 0) {
float alpha = init_transform_fs(v_local_pos);
swgl_commitColorRGBA8(v_color, alpha);
v_local_pos += swgl_interpStep(v_local_pos);
}
return;
}
// No clip or transform, so just fall through to a solid span...
#endif
swgl_commitSolidRGBA8(v_color);
}
void swgl_drawSpanR8() {
#ifdef WR_FEATURE_ALPHA_PASS
if (has_valid_transform_bounds()) {
while (swgl_SpanLength > 0) {
float alpha = init_transform_fs(v_local_pos);
swgl_commitColorR8(v_color.x, alpha);
v_local_pos += swgl_interpStep(v_local_pos);
}
return;
}
// No clip or transform, so just fall through to a solid span...
#endif
swgl_commitSolidR8(v_color.x);
}
#endif
#endif
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