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
;
50 const struct tgsi_token
*tokens
;
52 struct tgsi_shader_info info
;
54 struct svga_shader_result
*results
;
61 struct svga_fragment_shader
63 struct svga_shader base
;
66 struct svga_vertex_shader
68 struct svga_shader base
;
70 struct draw_vertex_shader
*draw_shader
;
74 struct svga_cache_context
;
75 struct svga_tracked_state
;
77 struct svga_blend_state
{
79 boolean need_white_fragments
;
81 /* Should be per-render-target:
91 boolean separate_alpha_blend_enable
;
92 uint8_t srcblend_alpha
;
93 uint8_t dstblend_alpha
;
94 uint8_t blendeq_alpha
;
99 struct svga_depth_stencil_state
{
102 unsigned zwriteenable
:1;
104 unsigned alphatestenable
:1;
105 unsigned alphafunc
:8;
115 /* SVGA3D has one ref/mask/writemask triple shared between front &
116 * back face stencil. We really need two:
118 unsigned stencil_ref
:8;
119 unsigned stencil_mask
:8;
120 unsigned stencil_writemask
:8;
125 #define SVGA_UNFILLED_DISABLE 0
126 #define SVGA_UNFILLED_LINE 1
127 #define SVGA_UNFILLED_POINT 2
129 #define SVGA_PIPELINE_FLAG_POINTS (1<<PIPE_PRIM_POINTS)
130 #define SVGA_PIPELINE_FLAG_LINES (1<<PIPE_PRIM_LINES)
131 #define SVGA_PIPELINE_FLAG_TRIS (1<<PIPE_PRIM_TRIANGLES)
133 struct svga_rasterizer_state
{
134 struct pipe_rasterizer_state templ
; /* needed for draw module */
136 unsigned shademode
:8;
138 unsigned scissortestenable
:1;
139 unsigned multisampleantialias
:1;
140 unsigned antialiasedlineenable
:1;
141 unsigned lastpixel
:1;
143 unsigned linepattern
;
145 float slopescaledepthbias
;
151 unsigned hw_unfilled
:16; /* PIPE_POLYGON_MODE_x */
152 unsigned need_pipeline
:16; /* which prims do we need help for? */
155 struct svga_sampler_state
{
159 unsigned aniso_level
;
164 unsigned bordercolor
;
165 unsigned normalized_coords
:1;
166 unsigned compare_mode
:1;
167 unsigned compare_func
:3;
170 unsigned view_min_lod
;
171 unsigned view_max_lod
;
174 /* Use to calculate differences between state emitted to hardware and
175 * current driver-calculated state.
179 const struct svga_blend_state
*blend
;
180 const struct svga_depth_stencil_state
*depth
;
181 const struct svga_rasterizer_state
*rast
;
182 const struct svga_sampler_state
*sampler
[PIPE_MAX_SAMPLERS
];
184 struct pipe_texture
*texture
[PIPE_MAX_SAMPLERS
]; /* or texture ID's? */
185 struct svga_fragment_shader
*fs
;
186 struct svga_vertex_shader
*vs
;
188 struct pipe_vertex_buffer vb
[PIPE_MAX_ATTRIBS
];
189 struct pipe_vertex_element ve
[PIPE_MAX_ATTRIBS
];
190 struct pipe_buffer
*cb
[PIPE_SHADER_TYPES
];
192 struct pipe_framebuffer_state framebuffer
;
195 /* Hack to limit the number of different render targets between
196 * flushes. Helps avoid blowing out our surface cache in EXA.
200 struct pipe_poly_stipple poly_stipple
;
201 struct pipe_scissor_state scissor
;
202 struct pipe_blend_color blend_color
;
203 struct pipe_clip_state clip
;
204 struct pipe_viewport_state viewport
;
206 unsigned num_samplers
;
207 unsigned num_textures
;
208 unsigned num_vertex_elements
;
209 unsigned num_vertex_buffers
;
210 unsigned reduced_prim
;
217 boolean any_user_vertex_buffers
;
219 unsigned zero_stride_vertex_elements
;
220 unsigned num_zero_stride_vertex_elements
;
221 /* ### maybe dynamically allocate this */
222 float zero_stride_constants
[PIPE_MAX_ATTRIBS
*4];
229 struct svga_prescale
{
236 /* Updated by calling svga_update_state( SVGA_STATE_HW_VIEWPORT )
238 struct svga_hw_clear_state
248 struct pipe_framebuffer_state framebuffer
;
249 struct svga_prescale prescale
;
252 struct svga_hw_view_state
254 struct pipe_texture
*texture
;
255 struct svga_sampler_view
*v
;
261 /* Updated by calling svga_update_state( SVGA_STATE_HW_DRAW )
263 struct svga_hw_draw_state
266 unsigned ts
[16][TS_MAX
];
267 float cb
[PIPE_SHADER_TYPES
][CB_MAX
][4];
269 struct svga_shader_result
*fs
;
270 struct svga_shader_result
*vs
;
271 struct svga_hw_view_state views
[PIPE_MAX_SAMPLERS
];
277 /* Updated by calling svga_update_state( SVGA_STATE_NEED_SWTNL )
281 unsigned ve_format
[PIPE_MAX_ATTRIBS
]; /* NEW_VELEMENT */
283 /* which parts we need */
284 boolean need_swvfetch
;
285 boolean need_pipeline
;
290 /* Queue some state updates (like rss) and submit them to hardware in
293 struct svga_hw_queue
;
299 struct pipe_context pipe
;
300 struct svga_winsys_context
*swc
;
305 boolean use_min_mipmap
;
307 /* incremented for each shader */
310 unsigned disable_shader
;
314 struct draw_context
*draw
;
315 struct vbuf_render
*backend
;
321 /* Bitmask of used shader IDs */
322 struct util_bitmask
*fs_bm
;
323 struct util_bitmask
*vs_bm
;
328 unsigned texture_timestamp
;
330 /* Internally generated shaders:
332 unsigned white_fs_id
;
336 struct svga_sw_state sw
;
337 struct svga_hw_draw_state hw_draw
;
338 struct svga_hw_clear_state hw_clear
;
341 struct svga_state curr
; /* state from the state tracker */
342 unsigned dirty
; /* statechanges since last update_state() */
344 struct u_upload_mgr
*upload_ib
;
345 struct u_upload_mgr
*upload_vb
;
346 struct svga_hwtnl
*hwtnl
;
348 /** The occlusion query currently in progress */
349 struct svga_query
*sq
;
351 /** List of buffers with queued transfers */
352 struct list_head dirty_buffers
;
355 /* A flag for each state_tracker state object:
357 #define SVGA_NEW_BLEND 0x1
358 #define SVGA_NEW_DEPTH_STENCIL 0x2
359 #define SVGA_NEW_RAST 0x4
360 #define SVGA_NEW_SAMPLER 0x8
361 #define SVGA_NEW_TEXTURE 0x10
362 #define SVGA_NEW_VBUFFER 0x20
363 #define SVGA_NEW_VELEMENT 0x40
364 #define SVGA_NEW_FS 0x80
365 #define SVGA_NEW_VS 0x100
366 #define SVGA_NEW_FS_CONST_BUFFER 0x200
367 #define SVGA_NEW_VS_CONST_BUFFER 0x400
368 #define SVGA_NEW_FRAME_BUFFER 0x800
369 #define SVGA_NEW_STIPPLE 0x1000
370 #define SVGA_NEW_SCISSOR 0x2000
371 #define SVGA_NEW_BLEND_COLOR 0x4000
372 #define SVGA_NEW_CLIP 0x8000
373 #define SVGA_NEW_VIEWPORT 0x10000
374 #define SVGA_NEW_PRESCALE 0x20000
375 #define SVGA_NEW_REDUCED_PRIMITIVE 0x40000
376 #define SVGA_NEW_TEXTURE_BINDING 0x80000
377 #define SVGA_NEW_NEED_PIPELINE 0x100000
378 #define SVGA_NEW_NEED_SWVFETCH 0x200000
379 #define SVGA_NEW_NEED_SWTNL 0x400000
380 #define SVGA_NEW_FS_RESULT 0x800000
381 #define SVGA_NEW_VS_RESULT 0x1000000
382 #define SVGA_NEW_ZERO_STRIDE 0x2000000
383 #define SVGA_NEW_TEXTURE_FLAGS 0x4000000
389 /***********************************************************************
392 void svga_clear(struct pipe_context
*pipe
,
399 /***********************************************************************
400 * svga_screen_texture.c:
402 void svga_mark_surfaces_dirty(struct svga_context
*svga
);
407 void svga_init_state_functions( struct svga_context
*svga
);
408 void svga_init_flush_functions( struct svga_context
*svga
);
409 void svga_init_string_functions( struct svga_context
*svga
);
410 void svga_init_blit_functions(struct svga_context
*svga
);
412 void svga_init_blend_functions( struct svga_context
*svga
);
413 void svga_init_depth_stencil_functions( struct svga_context
*svga
);
414 void svga_init_misc_functions( struct svga_context
*svga
);
415 void svga_init_rasterizer_functions( struct svga_context
*svga
);
416 void svga_init_sampler_functions( struct svga_context
*svga
);
417 void svga_init_fs_functions( struct svga_context
*svga
);
418 void svga_init_vs_functions( struct svga_context
*svga
);
419 void svga_init_vertex_functions( struct svga_context
*svga
);
420 void svga_init_constbuffer_functions( struct svga_context
*svga
);
421 void svga_init_draw_functions( struct svga_context
*svga
);
422 void svga_init_query_functions( struct svga_context
*svga
);
424 void svga_cleanup_vertex_state( struct svga_context
*svga
);
425 void svga_cleanup_tss_binding( struct svga_context
*svga
);
426 void svga_cleanup_framebuffer( struct svga_context
*svga
);
428 void svga_context_flush( struct svga_context
*svga
,
429 struct pipe_fence_handle
**pfence
);
431 void svga_hwtnl_flush_retry( struct svga_context
*svga
);
434 /***********************************************************************
435 * Inline conversion functions. These are better-typed than the
436 * macros used previously:
438 static INLINE
struct svga_context
*
439 svga_context( struct pipe_context
*pipe
)
441 return (struct svga_context
*)pipe
;