diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_setup_context.h')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup_context.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_context.h b/src/gallium/drivers/llvmpipe/lp_setup_context.h new file mode 100644 index 0000000000..a5fc34e54a --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_setup_context.h @@ -0,0 +1,159 @@ +/************************************************************************** + * + * Copyright 2007-2009 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. + * + **************************************************************************/ + + +/** + * The setup code is concerned with point/line/triangle setup and + * putting commands/data into the bins. + */ + + +#ifndef LP_SETUP_CONTEXT_H +#define LP_SETUP_CONTEXT_H + +#include "lp_setup.h" +#include "lp_rast.h" +#include "lp_tile_soa.h" /* for TILE_SIZE */ +#include "lp_scene.h" + +#include "draw/draw_vbuf.h" + +#define LP_SETUP_NEW_FS 0x01 +#define LP_SETUP_NEW_CONSTANTS 0x02 +#define LP_SETUP_NEW_BLEND_COLOR 0x04 +#define LP_SETUP_NEW_SCISSOR 0x08 + + +struct lp_scene_queue; + + +/** Max number of scenes */ +#define MAX_SCENES 2 + + + +/** + * Point/line/triangle setup context. + * Note: "stored" below indicates data which is stored in the bins, + * not arbitrary malloc'd memory. + * + * + * Subclass of vbuf_render, plugged directly into the draw module as + * the rendering backend. + */ +struct setup_context +{ + struct vbuf_render base; + + struct vertex_info *vertex_info; + uint prim; + uint vertex_size; + uint nr_vertices; + uint vertex_buffer_size; + void *vertex_buffer; + + /* Final pipeline stage for draw module. Draw module should + * create/install this itself now. + */ + struct draw_stage *vbuf; + struct lp_rasterizer *rast; + struct lp_scene *scenes[MAX_SCENES]; /**< all the scenes */ + struct lp_scene *scene; /**< current scene being built */ + struct lp_scene_queue *empty_scenes; /**< queue of empty scenes */ + + boolean flatshade_first; + boolean ccw_is_frontface; + boolean scissor_test; + unsigned cullmode; + + struct pipe_framebuffer_state fb; + + struct { + unsigned flags; + union lp_rast_cmd_arg color; /**< lp_rast_clear_color() cmd */ + union lp_rast_cmd_arg zstencil; /**< lp_rast_clear_zstencil() cmd */ + } clear; + + enum { + SETUP_FLUSHED, + SETUP_CLEARED, + SETUP_ACTIVE + } state; + + struct { + struct lp_shader_input input[PIPE_MAX_ATTRIBS]; + unsigned nr_inputs; + + const struct lp_rast_state *stored; /**< what's in the scene */ + struct lp_rast_state current; /**< currently set state */ + } fs; + + /** fragment shader constants */ + struct { + struct pipe_buffer *current; + unsigned stored_size; + const void *stored_data; + } constants; + + struct { + struct pipe_blend_color current; + uint8_t *stored; + } blend_color; + + struct { + struct pipe_scissor_state current; + const void *stored; + } scissor; + + unsigned dirty; /**< bitmask of LP_SETUP_NEW_x bits */ + + void (*point)( struct setup_context *, + const float (*v0)[4]); + + void (*line)( struct setup_context *, + const float (*v0)[4], + const float (*v1)[4]); + + void (*triangle)( struct setup_context *, + const float (*v0)[4], + const float (*v1)[4], + const float (*v2)[4]); +}; + +void lp_setup_choose_triangle( struct setup_context *setup ); +void lp_setup_choose_line( struct setup_context *setup ); +void lp_setup_choose_point( struct setup_context *setup ); + +struct lp_scene *lp_setup_get_current_scene(struct setup_context *setup); + +void lp_setup_init_vbuf(struct setup_context *setup); + +void lp_setup_update_state( struct setup_context *setup ); + +void lp_setup_destroy( struct setup_context *setup ); + +#endif |