Commit cdc37b8d authored by Jeff Muizelaar's avatar Jeff Muizelaar
Browse files

Bug 1676406. Reduce the number of varyings in brush_blend. r=kvark 

On 10.0 level hardware we only have 14 vecs of varyings allowed.
Reusing v_color_offset for v_flood_color gets us under the limit.

Differential Revision: https://phabricator.services.mozilla.com/D96607
parent 396275b3

gfx/wr/webrender/res/brush_blend.glsl

+3 −5
Original line number Diff line number Diff line
@@ -31,8 +31,6 @@ 
varying vec2 v_uv;

varying vec2 v_local_pos;



flat varying vec4 v_flood_color;



// Normalized bounds of the source image in the texture, adjusted to avoid

// sampling artifacts.

flat varying vec4 v_uv_sample_bounds;
@@ -151,7 +149,7 @@ void brush_vs( 
    } else if (v_op == FILTER_COMPONENT_TRANSFER) {

        v_table_address = prim_user_data.z;

    } else if (v_op == FILTER_FLOOD) {

        v_flood_color = fetch_from_gpu_cache_1(prim_user_data.z);

        v_color_offset = fetch_from_gpu_cache_1(prim_user_data.z);

    }

}

#endif
@@ -283,8 +281,8 @@ Fragment brush_fs() { 
            break;

        }

        case FILTER_FLOOD:

            color = v_flood_color.rgb;

            alpha = v_flood_color.a;

            color = v_color_offset.rgb;

            alpha = v_color_offset.a;

            break;

        default:

            // Color matrix type filters (sepia, hue-rotate, etc...)