| /************************************************************************** |
| * |
| * 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 "lp_bld_interp.h" /* for struct lp_shader_input */ |
| |
| #include "draw/draw_vbuf.h" |
| #include "util/u_rect.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_setup_variant; |
| |
| |
| /** 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 lp_setup_context |
| { |
| struct vbuf_render base; |
| |
| struct pipe_context *pipe; |
| struct vertex_info *vertex_info; |
| uint prim; |
| uint vertex_size; |
| uint nr_vertices; |
| uint sprite_coord_enable, sprite_coord_origin; |
| 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; |
| unsigned num_threads; |
| unsigned scene_idx; |
| struct lp_scene *scenes[MAX_SCENES]; /**< all the scenes */ |
| struct lp_scene *scene; /**< current scene being built */ |
| |
| struct lp_fence *last_fence; |
| struct llvmpipe_query *active_query; |
| |
| boolean flatshade_first; |
| boolean ccw_is_frontface; |
| boolean scissor_test; |
| boolean point_size_per_vertex; |
| unsigned cullmode; |
| float pixel_offset; |
| float line_width; |
| float point_size; |
| float psize; |
| |
| struct pipe_framebuffer_state fb; |
| struct u_rect framebuffer; |
| struct u_rect scissor; |
| struct u_rect draw_region; /* intersection of fb & scissor */ |
| |
| struct { |
| unsigned flags; |
| union lp_rast_cmd_arg color; /**< lp_rast_clear_color() cmd */ |
| unsigned zsmask; |
| unsigned zsvalue; /**< lp_rast_clear_zstencil() cmd */ |
| } clear; |
| |
| enum setup_state { |
| SETUP_FLUSHED, /**< scene is null */ |
| SETUP_CLEARED, /**< scene exists but has only clears */ |
| SETUP_ACTIVE /**< scene exists and has at least one draw/query */ |
| } state; |
| |
| struct { |
| const struct lp_rast_state *stored; /**< what's in the scene */ |
| struct lp_rast_state current; /**< currently set state */ |
| struct pipe_resource *current_tex[PIPE_MAX_SAMPLERS]; |
| } fs; |
| |
| /** fragment shader constants */ |
| struct { |
| struct pipe_resource *current; |
| unsigned stored_size; |
| const void *stored_data; |
| } constants; |
| |
| struct { |
| struct pipe_blend_color current; |
| uint8_t *stored; |
| } blend_color; |
| |
| |
| struct { |
| const struct lp_setup_variant *variant; |
| } setup; |
| |
| unsigned dirty; /**< bitmask of LP_SETUP_NEW_x bits */ |
| |
| void (*point)( struct lp_setup_context *, |
| const float (*v0)[4]); |
| |
| void (*line)( struct lp_setup_context *, |
| const float (*v0)[4], |
| const float (*v1)[4]); |
| |
| void (*triangle)( struct lp_setup_context *, |
| const float (*v0)[4], |
| const float (*v1)[4], |
| const float (*v2)[4]); |
| }; |
| |
| void lp_setup_choose_triangle( struct lp_setup_context *setup ); |
| void lp_setup_choose_line( struct lp_setup_context *setup ); |
| void lp_setup_choose_point( struct lp_setup_context *setup ); |
| |
| void lp_setup_init_vbuf(struct lp_setup_context *setup); |
| |
| boolean lp_setup_update_state( struct lp_setup_context *setup, |
| boolean update_scene); |
| |
| void lp_setup_destroy( struct lp_setup_context *setup ); |
| |
| boolean lp_setup_flush_and_restart(struct lp_setup_context *setup); |
| |
| void |
| lp_setup_print_triangle(struct lp_setup_context *setup, |
| const float (*v0)[4], |
| const float (*v1)[4], |
| const float (*v2)[4]); |
| |
| void |
| lp_setup_print_vertex(struct lp_setup_context *setup, |
| const char *name, |
| const float (*v)[4]); |
| |
| |
| struct lp_rast_triangle * |
| lp_setup_alloc_triangle(struct lp_scene *scene, |
| unsigned num_inputs, |
| unsigned nr_planes, |
| unsigned *tri_size); |
| |
| boolean |
| lp_setup_bin_triangle( struct lp_setup_context *setup, |
| struct lp_rast_triangle *tri, |
| const struct u_rect *bbox, |
| int nr_planes ); |
| |
| #endif |