diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_rast_priv.h')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast_priv.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_rast_priv.h b/src/gallium/drivers/llvmpipe/lp_rast_priv.h new file mode 100644 index 0000000000..cd72d7e69d --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_rast_priv.h @@ -0,0 +1,129 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef LP_RAST_PRIV_H +#define LP_RAST_PRIV_H + +#include "pipe/p_thread.h" +#include "lp_rast.h" + + +#define MAX_THREADS 8 /* XXX probably temporary here */ + + +struct pipe_transfer; +struct pipe_screen; +struct lp_rasterizer; + + +/** + * A tile's color and depth memory. + * We can choose whatever layout for the internal tile storage we prefer. + */ +struct lp_rast_tile +{ + uint8_t *color; + + uint32_t *depth; +}; + + +/** + * Per-thread rasterization state + */ +struct lp_rasterizer_task +{ + struct lp_rast_tile tile; /** Tile color/z/stencil memory */ + + unsigned x, y; /**< Pos of this tile in framebuffer, in pixels */ + + const struct lp_rast_state *current_state; + + /** "back" pointer */ + struct lp_rasterizer *rast; + + /** "my" index */ + unsigned thread_index; + + pipe_semaphore work_ready; + pipe_semaphore work_done; +}; + + +/** + * This is the state required while rasterizing tiles. + * Note that this contains per-thread information too. + * The tile size is TILE_SIZE x TILE_SIZE pixels. + */ +struct lp_rasterizer +{ + boolean clipped_tile; + boolean check_for_clipped_tiles; + + /* Framebuffer stuff + */ + struct pipe_screen *screen; + struct pipe_transfer *cbuf_transfer; + struct pipe_transfer *zsbuf_transfer; + void *cbuf_map; + void *zsbuf_map; + + struct { + struct pipe_framebuffer_state fb; + boolean write_color; + boolean write_zstencil; + unsigned clear_color; + unsigned clear_depth; + char clear_stencil; + } state; + + /** The incoming queue of scenes ready to rasterize */ + struct lp_scene_queue *full_scenes; + /** The outgoing queue of processed scenes to return to setup modulee */ + struct lp_scene_queue *empty_scenes; + + /** The scene currently being rasterized by the threads */ + struct lp_scene *curr_scene; + + /** A task object for each rasterization thread */ + struct lp_rasterizer_task tasks[MAX_THREADS]; + + unsigned num_threads; + pipe_thread threads[MAX_THREADS]; + + /** For synchronizing the rasterization threads */ + pipe_barrier barrier; +}; + + +void lp_rast_shade_quads( struct lp_rasterizer *rast, + unsigned thread_index, + const struct lp_rast_shader_inputs *inputs, + unsigned x, unsigned y, + int32_t c1, int32_t c2, int32_t c3); + +#endif |