mesa: state/queries for GL_MIN/MAX_PROGRAM_TEXEL_OFFSET_EXT
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 3ebe549..eab35e7 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -620,6 +620,10 @@
 
    /* GL 3.2: hard-coded for now: */
    ctx->Const.ProfileMask = GL_CONTEXT_COMPATIBILITY_PROFILE_BIT;
+
+   /** GL_EXT_gpu_shader4 */
+   ctx->Const.MinProgramTexelOffset = -8;
+   ctx->Const.MaxProgramTexelOffset = 7;
 }