| ------------------------------------------------------------------------- |
| drawElements Quality Program Test Specification |
| ----------------------------------------------- |
| |
| Copyright 2014 The Android Open Source Project |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ------------------------------------------------------------------------- |
| Shadow compare tests |
| |
| Tests: |
| + dEQP-GLES3.functional.texture.shadow.* |
| |
| Includes: |
| + All depth comparison modes |
| + Texture formats with depth and depth_stencil internal formats |
| + All texture filtering modes with minification and magnification. |
| + 2D, 2D array and cube map textures |
| |
| Excludes: |
| |
| Description: |
| |
| Shadow compare tests render two adjecent quads. Left one has texture |
| coordinates choosed to trigger minification while right one tests |
| magnification. Reference value for depth comparison is uniform. |
| |
| The rendered image is compared against a reference that is produced by |
| reference renderer. A simple threshold-based comparison is used. |
| |
| In tests where filtering mode is not NEAREST or NEAREST_MIPMAP_NEAREST |
| all r values are accepted if reference image contains r that is not |
| exactly 0 or 1. Reference is computed using executing comparisons |
| for all texels and combining results in same fashion as in regular |
| texture lookups. |
