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gallium: extract individual streamout output structure 

So that we can pass pointers to individual array entries around.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2016-11-29 14:21:55 +01:00
parent 04811354c8
commit 81d0dc5e55
1 changed files with 13 additions and 8 deletions
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21
src/gallium/include/pipe/p_state.h
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@ -195,6 +195,18 @@ struct pipe_clip_state
float ucp[PIPE_MAX_CLIP_PLANES][4];
};
/**
* A single output for vertex transform feedback.
*/
struct pipe_stream_output
{
unsigned register_index:8; /**< 0 to PIPE_MAX_SHADER_OUTPUTS */
unsigned start_component:2; /** 0 to 3 */
unsigned num_components:3; /** 1 to 4 */
unsigned output_buffer:3; /**< 0 to PIPE_MAX_SO_BUFFERS */
unsigned dst_offset:16; /**< offset into the buffer in dwords */
unsigned stream:2; /**< 0 to 3 */
};
/**
* Stream output for vertex transform feedback.
@ -209,14 +221,7 @@ struct pipe_stream_output_info
* Array of stream outputs, in the order they are to be written in.
* Selected components are tightly packed into the output buffer.
*/
struct {
unsigned register_index:8; /**< 0 to PIPE_MAX_SHADER_OUTPUTS */
unsigned start_component:2; /** 0 to 3 */
unsigned num_components:3; /** 1 to 4 */
unsigned output_buffer:3; /**< 0 to PIPE_MAX_SO_BUFFERS */
unsigned dst_offset:16; /**< offset into the buffer in dwords */
unsigned stream:2; /**< 0 to 3 */
} output[PIPE_MAX_SO_OUTPUTS];
struct pipe_stream_output output[PIPE_MAX_SO_OUTPUTS];
};
/**