/************************************************************************** * * 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_scene.h" #include "lp_bld_interp.h" /* for struct lp_shader_input */ #include "draw/draw_vbuf.h" #include "util/u_rect.h" #include "util/u_pack_color.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 #define LP_SETUP_NEW_VIEWPORTS 0x10 #define LP_SETUP_NEW_SSBOS 0x20 #define LP_SETUP_NEW_IMAGES 0x40 struct lp_setup_variant; /** Max number of scenes */ /* XXX: make multiple scenes per context work, see lp_setup_rasterize_scene */ #define MAX_SCENES 1 /** * 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_queries[LP_MAX_ACTIVE_BINNED_QUERIES]; unsigned active_binned_queries; boolean flatshade_first; boolean ccw_is_frontface; boolean scissor_test; boolean point_size_per_vertex; boolean rasterizer_discard; boolean multisample; unsigned cullmode; unsigned bottom_edge_rule; float pixel_offset; float line_width; float point_size; int8_t psize_slot; int8_t viewport_index_slot; int8_t layer_slot; int8_t face_slot; struct pipe_framebuffer_state fb; struct u_rect framebuffer; struct u_rect scissors[PIPE_MAX_VIEWPORTS]; struct u_rect draw_regions[PIPE_MAX_VIEWPORTS]; /* intersection of fb & scissor */ struct lp_jit_viewport viewports[PIPE_MAX_VIEWPORTS]; struct { unsigned flags; union util_color color_val[PIPE_MAX_COLOR_BUFS]; uint64_t zsmask; uint64_t 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_SHADER_SAMPLER_VIEWS]; unsigned current_tex_num; } fs; /** fragment shader constants */ struct { struct pipe_constant_buffer current; unsigned stored_size; const void *stored_data; } constants[LP_MAX_TGSI_CONST_BUFFERS]; /** fragment shader buffers */ struct { struct pipe_shader_buffer current; } ssbos[LP_MAX_TGSI_SHADER_BUFFERS]; struct { struct pipe_image_view current; } images[LP_MAX_TGSI_SHADER_IMAGES]; 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]); }; static inline void scissor_planes_needed(boolean scis_planes[4], const struct u_rect *bbox, const struct u_rect *scissor) { /* left */ scis_planes[0] = (bbox->x0 < scissor->x0); /* right */ scis_planes[1] = (bbox->x1 > scissor->x1); /* top */ scis_planes[2] = (bbox->y0 < scissor->y0); /* bottom */ scis_planes[3] = (bbox->y1 > scissor->y1); } 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 *bboxorig, const struct u_rect *bbox, int nr_planes, unsigned scissor_index); #endif