shader: Don't emit GL_OES_gpu_shader5 on GLES

This is not required and actually an error.

Signed-off-by: Gert Wollny <gert.wollny@collabora.com>
Reviewed-by: <Gurchetan Singh gurchetansingh@chromium.org>

src/vrend_shader.c

@@ -4628,13 +4628,15 @@ iter_instruction(struct tgsi_iterate_context *iter,
    case TGSI_OPCODE_UMUL_HI:
       emit_buff(ctx, "umulExtended(%s, %s, umul_temp, mul_utemp);\n", srcs[0], srcs[1]);
       emit_buff(ctx, "%s = %s(%s(umul_temp%s));\n", dsts[0], get_string(dinfo.dstconv), get_string(dinfo.dtypeprefix), writemask);
-      ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
+      if (!ctx->cfg->use_gles)
+         ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
       ctx->write_mul_utemp = true;
       break;
    case TGSI_OPCODE_IMUL_HI:
       emit_buff(ctx, "imulExtended(%s, %s, imul_temp, mul_itemp);\n", srcs[0], srcs[1]);
       emit_buff(ctx, "%s = %s(%s(imul_temp%s));\n", dsts[0], get_string(dinfo.dstconv), get_string(dinfo.dtypeprefix), writemask);
-      ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
+      if (!ctx->cfg->use_gles)
+         ctx->shader_req_bits |= SHADER_REQ_GPU_SHADER5;
       ctx->write_mul_itemp = true;
       break;