From cc906396c76076f68b4e753a8d28a7f8420b2f79 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Mon, 4 Mar 2013 06:11:07 +1000 Subject: [PATCH] gallium: add get_sample_position interface MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This is to be used to implement glGet GL_SAMPLE_POSITION. Reviewed-by: Marek Olšák Signed-off-by: Dave Airlie --- src/gallium/include/pipe/p_context.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h index 7ed946e2ca9..da1f5a88a64 100644 --- a/src/gallium/include/pipe/p_context.h +++ b/src/gallium/include/pipe/p_context.h @@ -520,6 +520,19 @@ struct pipe_context { const uint *block_layout, const uint *grid_layout, uint32_t pc, const void *input); /*@}*/ + + /** + * Get sample position for an individual sample point. + * + * \param sample_count - total number of samples + * \param sample_index - sample to get the position values for + * \param out_value - return value of 2 floats for x and y position for + * requested sample. + */ + void (*get_sample_position)(struct pipe_context *context, + unsigned sample_count, + unsigned sample_index, + float *out_value); }; -- 2.30.2