1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **********************************************************/
26 #ifndef SVGA_CONTEXT_H
27 #define SVGA_CONTEXT_H
30 #include "pipe/p_context.h"
31 #include "pipe/p_defines.h"
32 #include "pipe/p_state.h"
34 #include "util/u_double_list.h"
36 #include "tgsi/tgsi_scan.h"
38 #include "svga_state.h"
41 #define SVGA_TEX_UNITS 8
42 #define SVGA_MAX_POINTSIZE 80.0
44 struct draw_vertex_shader;
45 struct svga_shader_result;
53 const struct tgsi_token *tokens;
55 struct tgsi_shader_info info;
57 struct svga_shader_result *results;
64 struct svga_fragment_shader
66 struct svga_shader base;
69 struct svga_vertex_shader
71 struct svga_shader base;
73 struct draw_vertex_shader *draw_shader;
77 struct svga_cache_context;
78 struct svga_tracked_state;
80 struct svga_blend_state {
82 boolean need_white_fragments;
84 /* Should be per-render-target:
94 boolean separate_alpha_blend_enable;
95 uint8_t srcblend_alpha;
96 uint8_t dstblend_alpha;
97 uint8_t blendeq_alpha;
102 struct svga_depth_stencil_state {
105 unsigned zwriteenable:1;
107 unsigned alphatestenable:1;
108 unsigned alphafunc:8;
118 /* SVGA3D has one ref/mask/writemask triple shared between front &
119 * back face stencil. We really need two:
121 unsigned stencil_mask:8;
122 unsigned stencil_writemask:8;
127 #define SVGA_UNFILLED_DISABLE 0
128 #define SVGA_UNFILLED_LINE 1
129 #define SVGA_UNFILLED_POINT 2
131 #define SVGA_PIPELINE_FLAG_POINTS (1<<PIPE_PRIM_POINTS)
132 #define SVGA_PIPELINE_FLAG_LINES (1<<PIPE_PRIM_LINES)
133 #define SVGA_PIPELINE_FLAG_TRIS (1<<PIPE_PRIM_TRIANGLES)
135 struct svga_rasterizer_state {
136 struct pipe_rasterizer_state templ; /* needed for draw module */
138 unsigned shademode:8;
140 unsigned scissortestenable:1;
141 unsigned multisampleantialias:1;
142 unsigned antialiasedlineenable:1;
143 unsigned lastpixel:1;
145 unsigned linepattern;
147 float slopescaledepthbias;
151 unsigned hw_unfilled:16; /* PIPE_POLYGON_MODE_x */
153 /** Which prims do we need help for? Bitmask of (1 << PIPE_PRIM_x) flags */
154 unsigned need_pipeline:16;
156 /** For debugging: */
157 const char* need_pipeline_tris_str;
158 const char* need_pipeline_lines_str;
159 const char* need_pipeline_points_str;
162 struct svga_sampler_state {
166 unsigned aniso_level;
171 unsigned bordercolor;
172 unsigned normalized_coords:1;
173 unsigned compare_mode:1;
174 unsigned compare_func:3;
177 unsigned view_min_lod;
178 unsigned view_max_lod;
181 struct svga_velems_state {
183 struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
186 /* Use to calculate differences between state emitted to hardware and
187 * current driver-calculated state.
191 const struct svga_blend_state *blend;
192 const struct svga_depth_stencil_state *depth;
193 const struct svga_rasterizer_state *rast;
194 const struct svga_sampler_state *sampler[PIPE_MAX_SAMPLERS];
195 const struct svga_velems_state *velems;
197 struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS]; /* or texture ID's? */
198 struct svga_fragment_shader *fs;
199 struct svga_vertex_shader *vs;
201 struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
202 struct pipe_index_buffer ib;
203 struct pipe_resource *cb[PIPE_SHADER_TYPES];
205 struct pipe_framebuffer_state framebuffer;
208 /* Hack to limit the number of different render targets between
209 * flushes. Helps avoid blowing out our surface cache in EXA.
213 struct pipe_poly_stipple poly_stipple;
214 struct pipe_scissor_state scissor;
215 struct pipe_blend_color blend_color;
216 struct pipe_stencil_ref stencil_ref;
217 struct pipe_clip_state clip;
218 struct pipe_viewport_state viewport;
220 unsigned num_samplers;
221 unsigned num_sampler_views;
222 unsigned num_vertex_buffers;
223 unsigned reduced_prim;
230 boolean any_user_vertex_buffers;
232 unsigned zero_stride_vertex_elements;
233 unsigned num_zero_stride_vertex_elements;
234 /* ### maybe dynamically allocate this */
235 float zero_stride_constants[PIPE_MAX_ATTRIBS*4];
242 struct svga_prescale {
249 /* Updated by calling svga_update_state( SVGA_STATE_HW_CLEAR )
251 struct svga_hw_clear_state
261 struct pipe_framebuffer_state framebuffer;
262 struct svga_prescale prescale;
265 struct svga_hw_view_state
267 struct pipe_resource *texture;
268 struct svga_sampler_view *v;
274 /* Updated by calling svga_update_state( SVGA_STATE_HW_DRAW )
276 struct svga_hw_draw_state
279 unsigned ts[16][TS_MAX];
280 float cb[PIPE_SHADER_TYPES][CB_MAX][4];
282 struct svga_shader_result *fs;
283 struct svga_shader_result *vs;
284 struct svga_hw_view_state views[PIPE_MAX_SAMPLERS];
290 /* Updated by calling svga_update_state( SVGA_STATE_NEED_SWTNL )
294 unsigned ve_format[PIPE_MAX_ATTRIBS]; /* NEW_VELEMENT */
296 /* which parts we need */
297 boolean need_swvfetch;
298 boolean need_pipeline;
301 /* Flag to make sure that need sw is on while
302 * updating state within a swtnl call.
304 boolean in_swtnl_draw;
308 /* Queue some state updates (like rss) and submit them to hardware in
311 struct svga_hw_queue;
317 struct pipe_context pipe;
318 struct svga_winsys_context *swc;
323 boolean use_min_mipmap;
325 /* incremented for each shader */
328 unsigned disable_shader;
330 boolean no_line_width;
331 boolean force_hw_line_stipple;
335 struct draw_context *draw;
336 struct vbuf_render *backend;
342 /* Bitmask of used shader IDs */
343 struct util_bitmask *fs_bm;
344 struct util_bitmask *vs_bm;
347 unsigned dirty[SVGA_STATE_MAX];
349 unsigned texture_timestamp;
353 struct svga_sw_state sw;
354 struct svga_hw_draw_state hw_draw;
355 struct svga_hw_clear_state hw_clear;
358 struct svga_state curr; /* state from the state tracker */
359 unsigned dirty; /* statechanges since last update_state() */
362 unsigned rendertargets:1;
363 unsigned texture_samplers:1;
366 struct u_upload_mgr *upload_ib;
367 struct u_upload_mgr *upload_vb;
368 struct svga_hwtnl *hwtnl;
370 /** The occlusion query currently in progress */
371 struct svga_query *sq;
373 /** List of buffers with queued transfers */
374 struct list_head dirty_buffers;
376 /** Was the previous draw done with the SW path? */
377 boolean prev_draw_swtnl;
380 /* A flag for each state_tracker state object:
382 #define SVGA_NEW_BLEND 0x1
383 #define SVGA_NEW_DEPTH_STENCIL 0x2
384 #define SVGA_NEW_RAST 0x4
385 #define SVGA_NEW_SAMPLER 0x8
386 #define SVGA_NEW_TEXTURE 0x10
387 #define SVGA_NEW_VBUFFER 0x20
388 #define SVGA_NEW_VELEMENT 0x40
389 #define SVGA_NEW_FS 0x80
390 #define SVGA_NEW_VS 0x100
391 #define SVGA_NEW_FS_CONST_BUFFER 0x200
392 #define SVGA_NEW_VS_CONST_BUFFER 0x400
393 #define SVGA_NEW_FRAME_BUFFER 0x800
394 #define SVGA_NEW_STIPPLE 0x1000
395 #define SVGA_NEW_SCISSOR 0x2000
396 #define SVGA_NEW_BLEND_COLOR 0x4000
397 #define SVGA_NEW_CLIP 0x8000
398 #define SVGA_NEW_VIEWPORT 0x10000
399 #define SVGA_NEW_PRESCALE 0x20000
400 #define SVGA_NEW_REDUCED_PRIMITIVE 0x40000
401 #define SVGA_NEW_TEXTURE_BINDING 0x80000
402 #define SVGA_NEW_NEED_PIPELINE 0x100000
403 #define SVGA_NEW_NEED_SWVFETCH 0x200000
404 #define SVGA_NEW_NEED_SWTNL 0x400000
405 #define SVGA_NEW_FS_RESULT 0x800000
406 #define SVGA_NEW_VS_RESULT 0x1000000
407 #define SVGA_NEW_ZERO_STRIDE 0x2000000
408 #define SVGA_NEW_TEXTURE_FLAGS 0x4000000
409 #define SVGA_NEW_STENCIL_REF 0x8000000
415 /***********************************************************************
418 void svga_clear(struct pipe_context *pipe,
425 /***********************************************************************
426 * svga_screen_texture.c:
428 void svga_mark_surfaces_dirty(struct svga_context *svga);
433 void svga_init_state_functions( struct svga_context *svga );
434 void svga_init_flush_functions( struct svga_context *svga );
435 void svga_init_string_functions( struct svga_context *svga );
436 void svga_init_blit_functions(struct svga_context *svga);
438 void svga_init_blend_functions( struct svga_context *svga );
439 void svga_init_depth_stencil_functions( struct svga_context *svga );
440 void svga_init_misc_functions( struct svga_context *svga );
441 void svga_init_rasterizer_functions( struct svga_context *svga );
442 void svga_init_sampler_functions( struct svga_context *svga );
443 void svga_init_fs_functions( struct svga_context *svga );
444 void svga_init_vs_functions( struct svga_context *svga );
445 void svga_init_vertex_functions( struct svga_context *svga );
446 void svga_init_constbuffer_functions( struct svga_context *svga );
447 void svga_init_draw_functions( struct svga_context *svga );
448 void svga_init_query_functions( struct svga_context *svga );
449 void svga_init_surface_functions(struct svga_context *svga);
451 void svga_cleanup_vertex_state( struct svga_context *svga );
452 void svga_cleanup_tss_binding( struct svga_context *svga );
453 void svga_cleanup_framebuffer( struct svga_context *svga );
455 void svga_context_flush( struct svga_context *svga,
456 struct pipe_fence_handle **pfence );
458 void svga_hwtnl_flush_retry( struct svga_context *svga );
460 void svga_surfaces_flush(struct svga_context *svga);
462 struct pipe_context *
463 svga_context_create(struct pipe_screen *screen,
467 /***********************************************************************
468 * Inline conversion functions. These are better-typed than the
469 * macros used previously:
471 static INLINE struct svga_context *
472 svga_context( struct pipe_context *pipe )
474 return (struct svga_context *)pipe;