radeonsi: implement ARB_texture_gather and Gather functions from GLSL 4.00
All ARB_texture_gather and gather-related ARB_gpu_shader5 piglit tests pass.
reviewed by Michel Dänzer
diff --git a/docs/relnotes/10.3.html b/docs/relnotes/10.3.html
index c9daea5..825eb84 100644
--- a/docs/relnotes/10.3.html
+++ b/docs/relnotes/10.3.html
@@ -44,11 +44,12 @@
</p>
<ul>
+<li>GL_ARB_compressed_texture_pixel_storage on all drivers</li>
+<li>GL_ARB_explicit_uniform_location (all drivers that support GLSL)</li>
<li>GL_ARB_sample_shading on radeonsi</li>
<li>GL_ARB_stencil_texturing on nv50, nvc0, r600, and radeonsi</li>
<li>GL_ARB_texture_cube_map_array on radeonsi</li>
-<li>GL_ARB_compressed_texture_pixel_storage on all drivers</li>
-<li>GL_ARB_explicit_uniform_location (all drivers that support GLSL)</li>
+<li>GL_ARB_texture_gather on radeonsi</li>
<li>GL_ARB_viewport_array on nvc0</li>
</ul>