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"
39 #define SVGA_TEX_UNITS 8
41 struct draw_vertex_shader
;
42 struct svga_shader_result
;
49 const struct tgsi_token
*tokens
;
51 struct tgsi_shader_info info
;
53 struct svga_shader_result
*results
;
60 struct svga_fragment_shader
62 struct svga_shader base
;
65 struct svga_vertex_shader
67 struct svga_shader base
;
69 struct draw_vertex_shader
*draw_shader
;
73 struct svga_cache_context
;
74 struct svga_tracked_state
;
76 struct svga_blend_state
{
78 boolean need_white_fragments
;
80 /* Should be per-render-target:
90 boolean separate_alpha_blend_enable
;
91 uint8_t srcblend_alpha
;
92 uint8_t dstblend_alpha
;
93 uint8_t blendeq_alpha
;
98 struct svga_depth_stencil_state
{
101 unsigned zwriteenable
:1;
103 unsigned alphatestenable
:1;
104 unsigned alphafunc
:8;
114 /* SVGA3D has one ref/mask/writemask triple shared between front &
115 * back face stencil. We really need two:
117 unsigned stencil_ref
:8;
118 unsigned stencil_mask
:8;
119 unsigned stencil_writemask
:8;
124 #define SVGA_UNFILLED_DISABLE 0
125 #define SVGA_UNFILLED_LINE 1
126 #define SVGA_UNFILLED_POINT 2
128 #define SVGA_PIPELINE_FLAG_POINTS (1<<PIPE_PRIM_POINTS)
129 #define SVGA_PIPELINE_FLAG_LINES (1<<PIPE_PRIM_LINES)
130 #define SVGA_PIPELINE_FLAG_TRIS (1<<PIPE_PRIM_TRIANGLES)
132 struct svga_rasterizer_state
{
133 struct pipe_rasterizer_state templ
; /* needed for draw module */
135 unsigned shademode
:8;
137 unsigned scissortestenable
:1;
138 unsigned multisampleantialias
:1;
139 unsigned antialiasedlineenable
:1;
140 unsigned lastpixel
:1;
142 unsigned linepattern
;
144 float slopescaledepthbias
;
150 unsigned hw_unfilled
:16; /* PIPE_POLYGON_MODE_x */
151 unsigned need_pipeline
:16; /* which prims do we need help for? */
154 struct svga_sampler_state
{
158 unsigned aniso_level
;
163 unsigned bordercolor
;
164 unsigned normalized_coords
:1;
165 unsigned compare_mode
:1;
166 unsigned compare_func
:3;
169 unsigned view_min_lod
;
170 unsigned view_max_lod
;
173 /* Use to calculate differences between state emitted to hardware and
174 * current driver-calculated state.
178 const struct svga_blend_state
*blend
;
179 const struct svga_depth_stencil_state
*depth
;
180 const struct svga_rasterizer_state
*rast
;
181 const struct svga_sampler_state
*sampler
[PIPE_MAX_SAMPLERS
];
183 struct pipe_texture
*texture
[PIPE_MAX_SAMPLERS
]; /* or texture ID's? */
184 struct svga_fragment_shader
*fs
;
185 struct svga_vertex_shader
*vs
;
187 struct pipe_vertex_buffer vb
[PIPE_MAX_ATTRIBS
];
188 struct pipe_vertex_element ve
[PIPE_MAX_ATTRIBS
];
189 struct pipe_buffer
*cb
[PIPE_SHADER_TYPES
];
191 struct pipe_framebuffer_state framebuffer
;
194 struct pipe_poly_stipple poly_stipple
;
195 struct pipe_scissor_state scissor
;
196 struct pipe_blend_color blend_color
;
197 struct pipe_clip_state clip
;
198 struct pipe_viewport_state viewport
;
200 const unsigned *edgeflags
;
202 unsigned num_samplers
;
203 unsigned num_textures
;
204 unsigned num_vertex_elements
;
205 unsigned num_vertex_buffers
;
206 unsigned reduced_prim
;
213 boolean any_user_vertex_buffers
;
215 unsigned zero_stride_vertex_elements
;
216 unsigned num_zero_stride_vertex_elements
;
217 /* ### maybe dynamically allocate this */
218 float zero_stride_constants
[PIPE_MAX_ATTRIBS
*4];
225 struct svga_prescale
{
232 /* Updated by calling svga_update_state( SVGA_STATE_HW_VIEWPORT )
234 struct svga_hw_clear_state
244 struct pipe_framebuffer_state framebuffer
;
245 struct svga_prescale prescale
;
248 struct svga_hw_view_state
250 struct pipe_texture
*texture
;
251 struct svga_sampler_view
*v
;
257 /* Updated by calling svga_update_state( SVGA_STATE_HW_DRAW )
259 struct svga_hw_draw_state
262 unsigned ts
[16][TS_MAX
];
263 float cb
[PIPE_SHADER_TYPES
][CB_MAX
][4];
265 unsigned shader_id
[PIPE_SHADER_TYPES
];
267 struct svga_shader_result
*fs
;
268 struct svga_shader_result
*vs
;
269 struct svga_hw_view_state views
[PIPE_MAX_SAMPLERS
];
275 /* Updated by calling svga_update_state( SVGA_STATE_NEED_SWTNL )
279 unsigned ve_format
[PIPE_MAX_ATTRIBS
]; /* NEW_VELEMENT */
281 /* which parts we need */
282 boolean need_swvfetch
;
283 boolean need_pipeline
;
288 /* Queue some state updates (like rss) and submit them to hardware in
291 struct svga_hw_queue
;
297 struct pipe_context pipe
;
298 struct svga_winsys_context
*swc
;
303 boolean use_min_mipmap
;
305 /* incremented for each shader */
308 unsigned disable_shader
;
312 struct draw_context
*draw
;
313 struct vbuf_render
*backend
;
322 unsigned texture_timestamp
;
326 /* Internally generated shaders:
328 unsigned white_fs_id
;
332 struct svga_sw_state sw
;
333 struct svga_hw_draw_state hw_draw
;
334 struct svga_hw_clear_state hw_clear
;
337 struct svga_state curr
; /* state from the state tracker */
338 unsigned dirty
; /* statechanges since last update_state() */
340 struct u_upload_mgr
*upload_ib
;
341 struct u_upload_mgr
*upload_vb
;
342 struct svga_hwtnl
*hwtnl
;
344 /** The occlusion query currently in progress */
345 struct svga_query
*sq
;
347 /** List of buffers with queued transfers */
348 struct list_head dirty_buffers
;
351 /* A flag for each state_tracker state object:
353 #define SVGA_NEW_BLEND 0x1
354 #define SVGA_NEW_DEPTH_STENCIL 0x2
355 #define SVGA_NEW_RAST 0x4
356 #define SVGA_NEW_SAMPLER 0x8
357 #define SVGA_NEW_TEXTURE 0x10
358 #define SVGA_NEW_VBUFFER 0x20
359 #define SVGA_NEW_VELEMENT 0x40
360 #define SVGA_NEW_FS 0x80
361 #define SVGA_NEW_VS 0x100
362 #define SVGA_NEW_FS_CONST_BUFFER 0x200
363 #define SVGA_NEW_VS_CONST_BUFFER 0x400
364 #define SVGA_NEW_FRAME_BUFFER 0x800
365 #define SVGA_NEW_STIPPLE 0x1000
366 #define SVGA_NEW_SCISSOR 0x2000
367 #define SVGA_NEW_BLEND_COLOR 0x5000
368 #define SVGA_NEW_CLIP 0x8000
369 #define SVGA_NEW_VIEWPORT 0x10000
370 #define SVGA_NEW_PRESCALE 0x20000
371 #define SVGA_NEW_REDUCED_PRIMITIVE 0x40000
372 #define SVGA_NEW_TEXTURE_BINDING 0x80000
373 #define SVGA_NEW_NEED_PIPELINE 0x100000
374 #define SVGA_NEW_NEED_SWVFETCH 0x200000
375 #define SVGA_NEW_NEED_SWTNL 0x400000
376 #define SVGA_NEW_FS_RESULT 0x800000
377 #define SVGA_NEW_VS_RESULT 0x1000000
378 #define SVGA_NEW_EDGEFLAGS 0x2000000
379 #define SVGA_NEW_ZERO_STRIDE 0x4000000
380 #define SVGA_NEW_TEXTURE_FLAGS 0x8000000
386 /***********************************************************************
389 void svga_clear(struct pipe_context
*pipe
,
396 /***********************************************************************
397 * svga_screen_texture.c:
399 void svga_mark_surfaces_dirty(struct svga_context
*svga
);
404 void svga_init_state_functions( struct svga_context
*svga
);
405 void svga_init_flush_functions( struct svga_context
*svga
);
406 void svga_init_string_functions( struct svga_context
*svga
);
407 void svga_init_blit_functions(struct svga_context
*svga
);
409 void svga_init_blend_functions( struct svga_context
*svga
);
410 void svga_init_depth_stencil_functions( struct svga_context
*svga
);
411 void svga_init_misc_functions( struct svga_context
*svga
);
412 void svga_init_rasterizer_functions( struct svga_context
*svga
);
413 void svga_init_sampler_functions( struct svga_context
*svga
);
414 void svga_init_fs_functions( struct svga_context
*svga
);
415 void svga_init_vs_functions( struct svga_context
*svga
);
416 void svga_init_vertex_functions( struct svga_context
*svga
);
417 void svga_init_constbuffer_functions( struct svga_context
*svga
);
418 void svga_init_draw_functions( struct svga_context
*svga
);
419 void svga_init_query_functions( struct svga_context
*svga
);
421 void svga_cleanup_vertex_state( struct svga_context
*svga
);
422 void svga_cleanup_tss_binding( struct svga_context
*svga
);
423 void svga_cleanup_framebuffer( struct svga_context
*svga
);
425 void svga_context_flush( struct svga_context
*svga
,
426 struct pipe_fence_handle
**pfence
);
428 void svga_hwtnl_flush_retry( struct svga_context
*svga
);
431 /***********************************************************************
432 * Inline conversion functions. These are better-typed than the
433 * macros used previously:
435 static INLINE
struct svga_context
*
436 svga_context( struct pipe_context
*pipe
)
438 return (struct svga_context
*)pipe
;