diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index e5d2d140b1e..fa2fc72e435 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -899,6 +899,41 @@ struct brw_context enum state_struct_type type; } *state_batch_list; int state_batch_count; + + /** + * \brief State needed to execute HiZ meta-ops + * + * All fields except \c op are initialized by gen6_hiz_init(). + */ + struct brw_hiz_state { + /** + * \brief Indicates which HiZ operation is in progress. + * + * See the following sections of the Sandy Bridge PRM, Volume 1, Part2: + * - 7.5.3.1 Depth Buffer Clear + * - 7.5.3.2 Depth Buffer Resolve + * - 7.5.3.3 Hierarchical Depth Buffer Resolve + */ + enum brw_hiz_op { + BRW_HIZ_OP_NONE = 0, + BRW_HIZ_OP_DEPTH_CLEAR, + BRW_HIZ_OP_DEPTH_RESOLVE, + BRW_HIZ_OP_HIZ_RESOLVE, + } op; + + /** \brief Shader state */ + struct { + GLuint program; + GLuint position_vbo; + GLint position_location; + } shader; + + /** \brief VAO for the rectangle primitive's vertices. */ + GLuint vao; + + GLuint fbo; + struct gl_renderbuffer *depth_rb; + } hiz; }; |