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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /gfx/wr/webrender/res/brush_yuv_image.glsl
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/wr/webrender/res/brush_yuv_image.glsl')
-rw-r--r--gfx/wr/webrender/res/brush_yuv_image.glsl140
1 files changed, 140 insertions, 0 deletions
diff --git a/gfx/wr/webrender/res/brush_yuv_image.glsl b/gfx/wr/webrender/res/brush_yuv_image.glsl
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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,yuv
+
+varying highp vec2 vUv_Y;
+flat varying highp vec4 vUvBounds_Y;
+
+varying highp vec2 vUv_U;
+flat varying highp vec4 vUvBounds_U;
+
+varying highp vec2 vUv_V;
+flat varying highp vec4 vUvBounds_V;
+
+flat varying YUV_PRECISION vec3 vYcbcrBias;
+flat varying YUV_PRECISION mat3 vRgbFromDebiasedYcbcr;
+
+// YUV format. Packed in to vector to work around bug 1630356.
+flat varying mediump ivec2 vFormat;
+
+#ifdef SWGL_DRAW_SPAN
+flat varying mediump int vRescaleFactor;
+#endif
+
+#ifdef WR_VERTEX_SHADER
+
+YuvPrimitive fetch_yuv_primitive(int address) {
+ vec4 data = fetch_from_gpu_cache_1(address);
+ // From YuvImageData.write_prim_gpu_blocks:
+ int channel_bit_depth = int(data.x);
+ int color_space = int(data.y);
+ int yuv_format = int(data.z);
+ return YuvPrimitive(channel_bit_depth, color_space, yuv_format);
+}
+
+void brush_vs(
+ VertexInfo vi,
+ int prim_address,
+ RectWithEndpoint local_rect,
+ RectWithEndpoint segment_rect,
+ ivec4 prim_user_data,
+ int specific_resource_address,
+ mat4 transform,
+ PictureTask pic_task,
+ int brush_flags,
+ vec4 unused
+) {
+ vec2 f = (vi.local_pos - local_rect.p0) / rect_size(local_rect);
+
+ YuvPrimitive prim = fetch_yuv_primitive(prim_address);
+
+#ifdef SWGL_DRAW_SPAN
+ // swgl_commitTextureLinearYUV needs to know the color space specifier and
+ // also needs to know how many bits of scaling are required to normalize
+ // HDR textures. Note that MSB HDR formats don't need renormalization.
+ vRescaleFactor = 0;
+ if (prim.channel_bit_depth > 8 && prim.yuv_format != YUV_FORMAT_P010) {
+ vRescaleFactor = 16 - prim.channel_bit_depth;
+ }
+#endif
+
+ YuvColorMatrixInfo mat_info = get_rgb_from_ycbcr_info(prim);
+ vYcbcrBias = mat_info.ycbcr_bias;
+ vRgbFromDebiasedYcbcr = mat_info.rgb_from_debiased_ycbrc;
+
+ vFormat.x = prim.yuv_format;
+
+ // The additional test for 99 works around a gen6 shader compiler bug: 1708937
+ if (vFormat.x == YUV_FORMAT_PLANAR || vFormat.x == 99) {
+ ImageSource res_y = fetch_image_source(prim_user_data.x);
+ ImageSource res_u = fetch_image_source(prim_user_data.y);
+ ImageSource res_v = fetch_image_source(prim_user_data.z);
+ write_uv_rect(res_y.uv_rect.p0, res_y.uv_rect.p1, f, TEX_SIZE_YUV(sColor0), vUv_Y, vUvBounds_Y);
+ write_uv_rect(res_u.uv_rect.p0, res_u.uv_rect.p1, f, TEX_SIZE_YUV(sColor1), vUv_U, vUvBounds_U);
+ write_uv_rect(res_v.uv_rect.p0, res_v.uv_rect.p1, f, TEX_SIZE_YUV(sColor2), vUv_V, vUvBounds_V);
+ } else if (vFormat.x == YUV_FORMAT_NV12 || vFormat.x == YUV_FORMAT_P010) {
+ ImageSource res_y = fetch_image_source(prim_user_data.x);
+ ImageSource res_u = fetch_image_source(prim_user_data.y);
+ write_uv_rect(res_y.uv_rect.p0, res_y.uv_rect.p1, f, TEX_SIZE_YUV(sColor0), vUv_Y, vUvBounds_Y);
+ write_uv_rect(res_u.uv_rect.p0, res_u.uv_rect.p1, f, TEX_SIZE_YUV(sColor1), vUv_U, vUvBounds_U);
+ } else if (vFormat.x == YUV_FORMAT_INTERLEAVED) {
+ ImageSource res_y = fetch_image_source(prim_user_data.x);
+ write_uv_rect(res_y.uv_rect.p0, res_y.uv_rect.p1, f, TEX_SIZE_YUV(sColor0), vUv_Y, vUvBounds_Y);
+ }
+}
+#endif
+
+#ifdef WR_FRAGMENT_SHADER
+
+Fragment brush_fs() {
+ vec4 color = sample_yuv(
+ vFormat.x,
+ vYcbcrBias,
+ vRgbFromDebiasedYcbcr,
+ vUv_Y,
+ vUv_U,
+ vUv_V,
+ vUvBounds_Y,
+ vUvBounds_U,
+ vUvBounds_V
+ );
+
+#ifdef WR_FEATURE_ALPHA_PASS
+ color *= antialias_brush();
+#endif
+
+ //color.r = float(100+vFormat) / 255.0;
+ //color.g = vYcbcrBias.x;
+ //color.b = vYcbcrBias.y;
+ return Fragment(color);
+}
+
+#ifdef SWGL_DRAW_SPAN
+void swgl_drawSpanRGBA8() {
+ if (vFormat.x == YUV_FORMAT_PLANAR) {
+ swgl_commitTextureLinearYUV(sColor0, vUv_Y, vUvBounds_Y,
+ sColor1, vUv_U, vUvBounds_U,
+ sColor2, vUv_V, vUvBounds_V,
+ vYcbcrBias,
+ vRgbFromDebiasedYcbcr,
+ vRescaleFactor);
+ } else if (vFormat.x == YUV_FORMAT_NV12 || vFormat.x == YUV_FORMAT_P010) {
+ swgl_commitTextureLinearYUV(sColor0, vUv_Y, vUvBounds_Y,
+ sColor1, vUv_U, vUvBounds_U,
+ vYcbcrBias,
+ vRgbFromDebiasedYcbcr,
+ vRescaleFactor);
+ } else if (vFormat.x == YUV_FORMAT_INTERLEAVED) {
+ swgl_commitTextureLinearYUV(sColor0, vUv_Y, vUvBounds_Y,
+ vYcbcrBias,
+ vRgbFromDebiasedYcbcr,
+ vRescaleFactor);
+ }
+}
+#endif
+
+#endif