75    struct draw_context *draw = CALLOC_STRUCT( draw_context );  in draw_create_context()  local
76    if (draw == NULL)  in draw_create_context()
81       draw->llvm = draw_llvm_create(draw);  in draw_create_context()
82       if (!draw->llvm)  in draw_create_context()
87    draw->pipe = pipe;  in draw_create_context()
89    if (!draw_init(draw))  in draw_create_context()
92    return draw;  in draw_create_context()
95    draw_destroy( draw );  in draw_create_context()
121 boolean draw_init(struct draw_context *draw)  in draw_init()  argument
129    ASSIGN_4V( draw->plane[0], -1,  0,  0, 1 );  in draw_init()
130    ASSIGN_4V( draw->plane[1],  1,  0,  0, 1 );  in draw_init()
131    ASSIGN_4V( draw->plane[2],  0, -1,  0, 1 );  in draw_init()
132    ASSIGN_4V( draw->plane[3],  0,  1,  0, 1 );  in draw_init()
133    ASSIGN_4V( draw->plane[4],  0,  0,  1, 1 ); /* yes these are correct */  in draw_init()
134    ASSIGN_4V( draw->plane[5],  0,  0, -1, 1 ); /* mesa's a bit wonky */  in draw_init()
135    draw->clip_xy = TRUE;  in draw_init()
136    draw->clip_z = TRUE;  in draw_init()
138    draw->pt.user.planes = (float (*) [DRAW_TOTAL_CLIP_PLANES][4]) &(draw->plane[0]);  in draw_init()
140    if (!draw_pipeline_init( draw ))  in draw_init()
143    if (!draw_pt_init( draw ))  in draw_init()
146    if (!draw_vs_init( draw ))  in draw_init()
149    if (!draw_gs_init( draw ))  in draw_init()
152    draw->quads_always_flatshade_last = !draw->pipe->screen->get_param(  in draw_init()
153       draw->pipe->screen, PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION);  in draw_init()
159 void draw_destroy( struct draw_context *draw )  in draw_destroy()  argument
164    if (!draw)  in draw_destroy()
167    pipe = draw->pipe;  in draw_destroy()
173          if (draw->rasterizer_no_cull[i][j]) {  in draw_destroy()
174             pipe->delete_rasterizer_state(pipe, draw->rasterizer_no_cull[i][j]);  in draw_destroy()
179    for (i = 0; i < draw->pt.nr_vertex_buffers; i++) {  in draw_destroy()
180       pipe_resource_reference(&draw->pt.vertex_buffer[i].buffer, NULL);  in draw_destroy()
189    draw_pipeline_destroy( draw );  in draw_destroy()
190    draw_pt_destroy( draw );  in draw_destroy()
191    draw_vs_destroy( draw );  in draw_destroy()
192    draw_gs_destroy( draw );  in draw_destroy()
194    if (draw->llvm)  in draw_destroy()
195       draw_llvm_destroy( draw->llvm );  in draw_destroy()
198    FREE( draw );  in draw_destroy()
203 void draw_flush( struct draw_context *draw )  in draw_flush()  argument
205    draw_do_flush( draw, DRAW_FLUSH_BACKEND );  in draw_flush()
216 void draw_set_mrd(struct draw_context *draw, double mrd)  in draw_set_mrd()  argument
218    draw->mrd = mrd;  in draw_set_mrd()
222 static void update_clip_flags( struct draw_context *draw )  in update_clip_flags()  argument
224    draw->clip_xy = !draw->driver.bypass_clip_xy;  in update_clip_flags()
225    draw->guard_band_xy = (!draw->driver.bypass_clip_xy &&  in update_clip_flags()
226                           draw->driver.guard_band_xy);  in update_clip_flags()
227    draw->clip_z = (!draw->driver.bypass_clip_z &&  in update_clip_flags()
228                    draw->rasterizer && draw->rasterizer->depth_clip);  in update_clip_flags()
229    draw->clip_user = draw->rasterizer &&  in update_clip_flags()
230                      draw->rasterizer->clip_plane_enable != 0;  in update_clip_flags()
237 void draw_set_rasterizer_state( struct draw_context *draw,  in draw_set_rasterizer_state()  argument
241    if (!draw->suspend_flushing) {  in draw_set_rasterizer_state()
242       draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );  in draw_set_rasterizer_state()
244       draw->rasterizer = raster;  in draw_set_rasterizer_state()
245       draw->rast_handle = rast_handle;  in draw_set_rasterizer_state()
246       update_clip_flags(draw);  in draw_set_rasterizer_state()
257 void draw_set_driver_clipping( struct draw_context *draw,  in draw_set_driver_clipping()  argument
262    draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );  in draw_set_driver_clipping()
264    draw->driver.bypass_clip_xy = bypass_clip_xy;  in draw_set_driver_clipping()
265    draw->driver.bypass_clip_z = bypass_clip_z;  in draw_set_driver_clipping()
266    draw->driver.guard_band_xy = guard_band_xy;  in draw_set_driver_clipping()
267    update_clip_flags(draw);  in draw_set_driver_clipping()
276 void draw_set_rasterize_stage( struct draw_context *draw,  in draw_set_rasterize_stage()  argument
279    draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );  in draw_set_rasterize_stage()
281    draw->pipeline.rasterize = stage;  in draw_set_rasterize_stage()
288 void draw_set_clip_state( struct draw_context *draw,  in draw_set_clip_state()  argument
291    draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );  in draw_set_clip_state()
293    memcpy(&draw->plane[6], clip->ucp, sizeof(clip->ucp));  in draw_set_clip_state()
300 void draw_set_viewport_state( struct draw_context *draw,  in draw_set_viewport_state()  argument
303    draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );  in draw_set_viewport_state()
304    draw->viewport = *viewport; /* struct copy */  in draw_set_viewport_state()
305    draw->identity_viewport = (viewport->scale[0] == 1.0f &&  in draw_set_viewport_state()
314    draw_vs_set_viewport( draw, viewport );  in draw_set_viewport_state()
320 draw_set_vertex_buffers(struct draw_context *draw,  in draw_set_vertex_buffers()  argument
326    util_copy_vertex_buffers(draw->pt.vertex_buffer,  in draw_set_vertex_buffers()
327                             &draw->pt.nr_vertex_buffers,  in draw_set_vertex_buffers()
333 draw_set_vertex_elements(struct draw_context *draw,  in draw_set_vertex_elements()  argument
341    draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );  in draw_set_vertex_elements()
343    memcpy(draw->pt.vertex_element, elements, count * sizeof(elements[0]));  in draw_set_vertex_elements()
344    draw->pt.nr_vertex_elements = count;  in draw_set_vertex_elements()
352 draw_set_mapped_vertex_buffer(struct draw_context *draw,  in draw_set_mapped_vertex_buffer()  argument
355    draw->pt.user.vbuffer[attr] = buffer;  in draw_set_mapped_vertex_buffer()
360 draw_set_mapped_constant_buffer(struct draw_context *draw,  in draw_set_mapped_constant_buffer()  argument
372       draw->pt.user.vs_constants[slot] = buffer;  in draw_set_mapped_constant_buffer()
373       draw->pt.user.vs_constants_size[slot] = size;  in draw_set_mapped_constant_buffer()
374       draw_vs_set_constants(draw, slot, buffer, size);  in draw_set_mapped_constant_buffer()
377       draw->pt.user.gs_constants[slot] = buffer;  in draw_set_mapped_constant_buffer()
378       draw->pt.user.gs_constants_size[slot] = size;  in draw_set_mapped_constant_buffer()
379       draw_gs_set_constants(draw, slot, buffer, size);  in draw_set_mapped_constant_buffer()
392 draw_wide_point_threshold(struct draw_context *draw, float threshold)  in draw_wide_point_threshold()  argument
394    draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );  in draw_wide_point_threshold()
395    draw->pipeline.wide_point_threshold = threshold;  in draw_wide_point_threshold()
403 draw_wide_point_sprites(struct draw_context *draw, boolean draw_sprite)  in draw_wide_point_sprites()  argument
405    draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );  in draw_wide_point_sprites()
406    draw->pipeline.wide_point_sprites = draw_sprite;  in draw_wide_point_sprites()
415 draw_wide_line_threshold(struct draw_context *draw, float threshold)  in draw_wide_line_threshold()  argument
417    draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );  in draw_wide_line_threshold()
418    draw->pipeline.wide_line_threshold = roundf(threshold);  in draw_wide_line_threshold()
426 draw_enable_line_stipple(struct draw_context *draw, boolean enable)  in draw_enable_line_stipple()  argument
428    draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );  in draw_enable_line_stipple()
429    draw->pipeline.line_stipple = enable;  in draw_enable_line_stipple()
437 draw_enable_point_sprites(struct draw_context *draw, boolean enable)  in draw_enable_point_sprites()  argument
439    draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );  in draw_enable_point_sprites()
440    draw->pipeline.point_sprite = enable;  in draw_enable_point_sprites()
445 draw_set_force_passthrough( struct draw_context *draw, boolean enable )  in draw_set_force_passthrough()  argument
447    draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE );  in draw_set_force_passthrough()
448    draw->force_passthrough = enable;  in draw_set_force_passthrough()
462 draw_alloc_extra_vertex_attrib(struct draw_context *draw,  in draw_alloc_extra_vertex_attrib()  argument
469    slot = draw_find_shader_output(draw, semantic_name, semantic_index);  in draw_alloc_extra_vertex_attrib()
474    num_outputs = draw_current_shader_outputs(draw);  in draw_alloc_extra_vertex_attrib()
475    n = draw->extra_shader_outputs.num;  in draw_alloc_extra_vertex_attrib()
477    assert(n < Elements(draw->extra_shader_outputs.semantic_name));  in draw_alloc_extra_vertex_attrib()
479    draw->extra_shader_outputs.semantic_name[n] = semantic_name;  in draw_alloc_extra_vertex_attrib()
480    draw->extra_shader_outputs.semantic_index[n] = semantic_index;  in draw_alloc_extra_vertex_attrib()
481    draw->extra_shader_outputs.slot[n] = num_outputs + n;  in draw_alloc_extra_vertex_attrib()
482    draw->extra_shader_outputs.num++;  in draw_alloc_extra_vertex_attrib()
484    return draw->extra_shader_outputs.slot[n];  in draw_alloc_extra_vertex_attrib()
493 draw_remove_extra_vertex_attribs(struct draw_context *draw)  in draw_remove_extra_vertex_attribs()  argument
495    draw->extra_shader_outputs.num = 0;  in draw_remove_extra_vertex_attribs()
504 draw_get_shader_info(const struct draw_context *draw)  in draw_get_shader_info()  argument
507    if (draw->gs.geometry_shader) {  in draw_get_shader_info()
508       return &draw->gs.geometry_shader->info;  in draw_get_shader_info()
510       return &draw->vs.vertex_shader->info;  in draw_get_shader_info()
531 draw_find_shader_output(const struct draw_context *draw,  in draw_find_shader_output()  argument
534    const struct tgsi_shader_info *info = draw_get_shader_info(draw);  in draw_find_shader_output()
544    for (i = 0; i < draw->extra_shader_outputs.num; i++) {  in draw_find_shader_output()
545       if (draw->extra_shader_outputs.semantic_name[i] == semantic_name &&  in draw_find_shader_output()
546           draw->extra_shader_outputs.semantic_index[i] == semantic_index) {  in draw_find_shader_output()
547          return draw->extra_shader_outputs.slot[i];  in draw_find_shader_output()
565 draw_num_shader_outputs(const struct draw_context *draw)  in draw_num_shader_outputs()  argument
567    const struct tgsi_shader_info *info = draw_get_shader_info(draw);  in draw_num_shader_outputs()
571    count += draw->extra_shader_outputs.num;  in draw_num_shader_outputs()
583 draw_texture_samplers(struct draw_context *draw,  in draw_texture_samplers()  argument
589       draw->vs.tgsi.num_samplers = num_samplers;  in draw_texture_samplers()
590       draw->vs.tgsi.samplers = samplers;  in draw_texture_samplers()
593       draw->gs.tgsi.num_samplers = num_samplers;  in draw_texture_samplers()
594       draw->gs.tgsi.samplers = samplers;  in draw_texture_samplers()
601 void draw_set_render( struct draw_context *draw,   in draw_set_render()  argument
604    draw->render = render;  in draw_set_render()
616 draw_set_indexes(struct draw_context *draw,  in draw_set_indexes()  argument
623    draw->pt.user.elts = elements;  in draw_set_indexes()
624    draw->pt.user.eltSizeIB = elem_size;  in draw_set_indexes()
630 void draw_do_flush( struct draw_context *draw, unsigned flags )  in draw_do_flush()  argument
632    if (!draw->suspend_flushing)  in draw_do_flush()
634       assert(!draw->flushing); /* catch inadvertant recursion */  in draw_do_flush()
636       draw->flushing = TRUE;  in draw_do_flush()
638       draw_pipeline_flush( draw, flags );  in draw_do_flush()
640       draw_pt_flush( draw, flags );  in draw_do_flush()
642       draw->flushing = FALSE;  in draw_do_flush()
654 draw_current_shader_outputs(const struct draw_context *draw)  in draw_current_shader_outputs()  argument
656    if (draw->gs.geometry_shader)  in draw_current_shader_outputs()
657       return draw->gs.num_gs_outputs;  in draw_current_shader_outputs()
658    return draw->vs.num_vs_outputs;  in draw_current_shader_outputs()
667 draw_current_shader_position_output(const struct draw_context *draw)  in draw_current_shader_position_output()  argument
669    if (draw->gs.geometry_shader)  in draw_current_shader_position_output()
670       return draw->gs.position_output;  in draw_current_shader_position_output()
671    return draw->vs.position_output;  in draw_current_shader_position_output()
680 draw_current_shader_clipvertex_output(const struct draw_context *draw)  in draw_current_shader_clipvertex_output()  argument
682    return draw->vs.clipvertex_output;  in draw_current_shader_clipvertex_output()
686 draw_current_shader_clipdistance_output(const struct draw_context *draw, int index)  in draw_current_shader_clipdistance_output()  argument
688    return draw->vs.clipdistance_output[index];  in draw_current_shader_clipdistance_output()
703 draw_get_rasterizer_no_cull( struct draw_context *draw,  in draw_get_rasterizer_no_cull()  argument
707    if (!draw->rasterizer_no_cull[scissor][flatshade]) {  in draw_get_rasterizer_no_cull()
709       struct pipe_context *pipe = draw->pipe;  in draw_get_rasterizer_no_cull()
716       rast.gl_rasterization_rules = draw->rasterizer->gl_rasterization_rules;  in draw_get_rasterizer_no_cull()
718       draw->rasterizer_no_cull[scissor][flatshade] =  in draw_get_rasterizer_no_cull()
721    return draw->rasterizer_no_cull[scissor][flatshade];  in draw_get_rasterizer_no_cull()
725 draw_set_mapped_so_targets(struct draw_context *draw,  in draw_set_mapped_so_targets()  argument
732       draw->so.targets[i] = targets[i];  in draw_set_mapped_so_targets()
734       draw->so.targets[i] = NULL;  in draw_set_mapped_so_targets()
736    draw->so.num_targets = num_targets;  in draw_set_mapped_so_targets()
740 draw_set_mapped_so_buffers(struct draw_context *draw,  in draw_set_mapped_so_buffers()  argument
747 draw_set_so_state(struct draw_context *draw,  in draw_set_so_state()  argument
750    memcpy(&draw->so.state,  in draw_set_so_state()
756 draw_set_sampler_views(struct draw_context *draw,  in draw_set_sampler_views()  argument
767       draw->sampler_views[shader_stage][i] = views[i];  in draw_set_sampler_views()
769       draw->sampler_views[shader_stage][i] = NULL;  in draw_set_sampler_views()
771    draw->num_sampler_views[shader_stage] = num;  in draw_set_sampler_views()
775 draw_set_samplers(struct draw_context *draw,  in draw_set_samplers()  argument
786       draw->samplers[shader_stage][i] = samplers[i];  in draw_set_samplers()
788       draw->samplers[shader_stage][i] = NULL;  in draw_set_samplers()
790    draw->num_samplers[shader_stage] = num;  in draw_set_samplers()
793    if (draw->llvm && shader_stage == PIPE_SHADER_VERTEX)  in draw_set_samplers()
794       draw_llvm_set_sampler_state(draw);  in draw_set_samplers()
799 draw_set_mapped_texture(struct draw_context *draw,  in draw_set_mapped_texture()  argument
810       if (draw->llvm)  in draw_set_mapped_texture()
811          draw_llvm_set_mapped_texture(draw,  in draw_set_mapped_texture()