1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 /* Authors: Keith Whitwell <keithw@vmware.com>
34 #include "pipe/p_context.h"
35 #include "util/u_blitter.h"
37 #include "draw/draw_vertex.h"
39 #include "sp_quad_pipe.h"
43 /** Do polygon stipple in the draw module? */
44 #define DO_PSTIPPLE_IN_DRAW_MODULE 0
46 /** Do polygon stipple with the util module? */
47 #define DO_PSTIPPLE_IN_HELPER_MODULE 1
50 struct softpipe_vbuf_render
;
53 struct softpipe_tile_cache
;
54 struct softpipe_tex_tile_cache
;
55 struct sp_fragment_shader
;
56 struct sp_vertex_shader
;
57 struct sp_velems_state
;
60 struct softpipe_context
{
61 struct pipe_context pipe
; /**< base class */
63 /** Constant state objects */
64 struct pipe_blend_state
*blend
;
65 struct pipe_sampler_state
*samplers
[PIPE_SHADER_TYPES
][PIPE_MAX_SAMPLERS
];
66 struct pipe_depth_stencil_alpha_state
*depth_stencil
;
67 struct pipe_rasterizer_state
*rasterizer
;
68 struct sp_fragment_shader
*fs
;
69 struct sp_fragment_shader_variant
*fs_variant
;
70 struct sp_vertex_shader
*vs
;
71 struct sp_geometry_shader
*gs
;
72 struct sp_velems_state
*velems
;
73 struct sp_so_state
*so
;
74 struct sp_compute_shader
*cs
;
76 /** Other rendering state */
77 struct pipe_blend_color blend_color
;
78 struct pipe_blend_color blend_color_clamped
;
79 struct pipe_stencil_ref stencil_ref
;
80 struct pipe_clip_state clip
;
81 struct pipe_resource
*constants
[PIPE_SHADER_TYPES
][PIPE_MAX_CONSTANT_BUFFERS
];
82 struct pipe_framebuffer_state framebuffer
;
83 struct pipe_poly_stipple poly_stipple
;
84 struct pipe_scissor_state scissors
[PIPE_MAX_VIEWPORTS
];
85 struct pipe_sampler_view
*sampler_views
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_SAMPLER_VIEWS
];
87 struct pipe_image_view images
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_IMAGES
];
88 struct pipe_shader_buffer buffers
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_BUFFERS
];
89 struct pipe_viewport_state viewports
[PIPE_MAX_VIEWPORTS
];
90 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
91 struct pipe_resource
*mapped_vs_tex
[PIPE_MAX_SHADER_SAMPLER_VIEWS
];
92 struct pipe_resource
*mapped_gs_tex
[PIPE_MAX_SHADER_SAMPLER_VIEWS
];
94 struct draw_so_target
*so_targets
[PIPE_MAX_SO_BUFFERS
];
95 unsigned num_so_targets
;
97 struct pipe_query_data_so_statistics so_stats
;
99 struct pipe_query_data_pipeline_statistics pipeline_statistics
;
100 unsigned active_statistics_queries
;
102 unsigned num_samplers
[PIPE_SHADER_TYPES
];
103 unsigned num_sampler_views
[PIPE_SHADER_TYPES
];
105 unsigned num_vertex_buffers
;
107 unsigned dirty
; /**< Mask of SP_NEW_x flags */
109 /* Counter for occlusion queries. Note this supports overlapping
112 uint64_t occlusion_count
;
113 unsigned active_query_count
;
115 /** Mapped vertex buffers */
116 ubyte
*mapped_vbuffer
[PIPE_MAX_ATTRIBS
];
118 /** Mapped constant buffers */
119 const void *mapped_constants
[PIPE_SHADER_TYPES
][PIPE_MAX_CONSTANT_BUFFERS
];
120 unsigned const_buffer_size
[PIPE_SHADER_TYPES
][PIPE_MAX_CONSTANT_BUFFERS
];
123 struct sp_setup_info setup_info
;
124 struct vertex_info vertex_info
;
126 /** Which vertex shader output slot contains point size */
129 /** Which vertex shader output slot contains viewport index */
130 int8_t viewport_index_slot
;
132 /** Which vertex shader output slot contains layer */
135 /** The reduced version of the primitive supplied by the state tracker */
136 unsigned reduced_api_prim
;
138 /** Derived information about which winding orders to cull */
142 * The reduced primitive after unfilled triangles, wide-line decomposition,
143 * etc, are taken into account. This is the primitive type that's actually
146 unsigned reduced_prim
;
148 /** Derived from scissor and surface bounds: */
149 struct pipe_scissor_state cliprect
[PIPE_MAX_VIEWPORTS
];
151 unsigned line_stipple_counter
;
153 /** Conditional query object and mode */
154 struct pipe_query
*render_cond_query
;
155 uint render_cond_mode
;
156 boolean render_cond_cond
;
158 /** Polygon stipple items */
160 struct pipe_resource
*texture
;
161 struct pipe_sampler_state
*sampler
;
162 struct pipe_sampler_view
*sampler_view
;
165 /** Software quad rendering pipeline */
167 struct quad_stage
*shade
;
168 struct quad_stage
*depth_test
;
169 struct quad_stage
*blend
;
170 struct quad_stage
*pstipple
;
171 struct quad_stage
*first
; /**< points to one of the above stages */
174 /** TGSI exec things */
176 struct sp_tgsi_sampler
*sampler
[PIPE_SHADER_TYPES
];
177 struct sp_tgsi_image
*image
[PIPE_SHADER_TYPES
];
178 struct sp_tgsi_buffer
*buffer
[PIPE_SHADER_TYPES
];
181 struct tgsi_exec_machine
*fs_machine
;
182 /** whether early depth testing is enabled */
185 /** The primitive drawing context */
186 struct draw_context
*draw
;
188 /** Draw module backend */
189 struct vbuf_render
*vbuf_backend
;
190 struct draw_stage
*vbuf
;
192 struct blitter_context
*blitter
;
194 boolean dirty_render_cache
;
196 struct softpipe_tile_cache
*cbuf_cache
[PIPE_MAX_COLOR_BUFS
];
197 struct softpipe_tile_cache
*zsbuf_cache
;
199 unsigned tex_timestamp
;
202 * Texture caches for vertex, fragment, geometry stages.
203 * Don't use PIPE_SHADER_TYPES here to avoid allocating unused memory
204 * for compute shaders.
205 * XXX wouldn't it make more sense for the tile cache to just be part
206 * of sp_sampler_view?
208 struct softpipe_tex_tile_cache
*tex_cache
[PIPE_SHADER_TYPES
][PIPE_MAX_SHADER_SAMPLER_VIEWS
];
210 unsigned dump_fs
: 1;
211 unsigned dump_gs
: 1;
212 unsigned dump_cs
: 1;
213 unsigned no_rast
: 1;
217 static inline struct softpipe_context
*
218 softpipe_context( struct pipe_context
*pipe
)
220 return (struct softpipe_context
*)pipe
;
224 struct pipe_context
*
225 softpipe_create_context(struct pipe_screen
*, void *priv
, unsigned flags
);
227 struct pipe_resource
*
228 softpipe_user_buffer_create(struct pipe_screen
*screen
,
231 unsigned bind_flags
);
233 #define SP_UNREFERENCED 0
234 #define SP_REFERENCED_FOR_READ (1 << 0)
235 #define SP_REFERENCED_FOR_WRITE (1 << 1)
238 softpipe_is_resource_referenced( struct pipe_context
*pipe
,
239 struct pipe_resource
*texture
,
240 unsigned level
, int layer
);
242 #endif /* SP_CONTEXT_H */