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14a9b3751e
MozReview-Commit-ID: JJK2le2vpeN --HG-- extra : rebase_source : 677e4433eddb14fea5e0d9a978f28b57912d21f8
40 lines
1.4 KiB
GLSL
40 lines
1.4 KiB
GLSL
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include shared,prim_shared
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varying vec3 vUv;
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flat varying vec4 vUvBounds;
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#ifdef WR_VERTEX_SHADER
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void main(void) {
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CompositeInstance ci = fetch_composite_instance();
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PictureTask dest_task = fetch_picture_task(ci.render_task_index);
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PictureTask src_task = fetch_picture_task(ci.src_task_index);
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vec2 dest_origin = dest_task.common_data.task_rect.p0 -
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dest_task.content_origin +
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vec2(ci.user_data0, ci.user_data1);
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vec2 local_pos = mix(dest_origin,
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dest_origin + vec2(ci.user_data2, ci.user_data3),
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aPosition.xy);
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vec2 texture_size = vec2(textureSize(sCacheRGBA8, 0));
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vec2 st0 = src_task.common_data.task_rect.p0;
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vec2 st1 = src_task.common_data.task_rect.p0 + src_task.common_data.task_rect.size;
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vUv = vec3(mix(st0, st1, aPosition.xy) / texture_size, src_task.common_data.texture_layer_index);
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vUvBounds = vec4(st0 + 0.5, st1 - 0.5) / texture_size.xyxy;
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gl_Position = uTransform * vec4(local_pos, ci.z, 1.0);
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}
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#endif
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#ifdef WR_FRAGMENT_SHADER
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void main(void) {
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vec2 uv = clamp(vUv.xy, vUvBounds.xy, vUvBounds.zw);
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oFragColor = texture(sColor0, vec3(uv, vUv.z));
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}
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#endif
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