466    struct gl_renderbuffer *depthRb = fb->Attachment[BUFFER_DEPTH].Renderbuffer;  in fast_read_depth_stencil_pixels_separate()  local
471    if (_mesa_get_format_datatype(depthRb->Format) != GL_UNSIGNED_NORMALIZED)  in fast_read_depth_stencil_pixels_separate()
474    ctx->Driver.MapRenderbuffer(ctx, depthRb, x, y, width, height,  in fast_read_depth_stencil_pixels_separate()
484       ctx->Driver.UnmapRenderbuffer(ctx, depthRb);  in fast_read_depth_stencil_pixels_separate()
493          _mesa_unpack_uint_z_row(depthRb->Format, width, depthMap, dst);  in fast_read_depth_stencil_pixels_separate()
512    ctx->Driver.UnmapRenderbuffer(ctx, depthRb);  in fast_read_depth_stencil_pixels_separate()
527    struct gl_renderbuffer *depthRb = fb->Attachment[BUFFER_DEPTH].Renderbuffer;  in slow_read_depth_stencil_pixels_separate()  local
538    ctx->Driver.MapRenderbuffer(ctx, depthRb, x, y, width, height,  in slow_read_depth_stencil_pixels_separate()
545    if (stencilRb != depthRb) {  in slow_read_depth_stencil_pixels_separate()
550          ctx->Driver.UnmapRenderbuffer(ctx, depthRb);  in slow_read_depth_stencil_pixels_separate()
565          _mesa_unpack_float_z_row(depthRb->Format, width, depthMap, depthVals);  in slow_read_depth_stencil_pixels_separate()
584    ctx->Driver.UnmapRenderbuffer(ctx, depthRb);  in slow_read_depth_stencil_pixels_separate()
585    if (stencilRb != depthRb) {  in slow_read_depth_stencil_pixels_separate()