2 /**************************************************************************
4 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 **************************************************************************/
30 * \brief Public interface into the drawing module.
33 /* Authors: Keith Whitwell <keith@tungstengraphics.com>
37 #ifndef DRAW_CONTEXT_H
38 #define DRAW_CONTEXT_H
41 #include "pipe/p_state.h"
42 #include "tgsi/tgsi_exec.h"
47 struct draw_vertex_shader
;
48 struct draw_geometry_shader
;
49 struct draw_fragment_shader
;
52 #define DRAW_MAX_TEXTURE_LEVELS 13 /* 4K x 4K for now */
54 struct draw_context
*draw_create( struct pipe_context
*pipe
);
56 void draw_destroy( struct draw_context
*draw
);
58 void draw_flush(struct draw_context
*draw
);
60 void draw_set_viewport_state( struct draw_context
*draw
,
61 const struct pipe_viewport_state
*viewport
);
63 void draw_set_clip_state( struct draw_context
*pipe
,
64 const struct pipe_clip_state
*clip
);
66 void draw_set_rasterizer_state( struct draw_context
*draw
,
67 const struct pipe_rasterizer_state
*raster
,
70 void draw_set_rasterize_stage( struct draw_context
*draw
,
71 struct draw_stage
*stage
);
73 void draw_wide_point_threshold(struct draw_context
*draw
, float threshold
);
75 void draw_wide_point_sprites(struct draw_context
*draw
, boolean draw_sprite
);
77 void draw_wide_line_threshold(struct draw_context
*draw
, float threshold
);
79 void draw_enable_line_stipple(struct draw_context
*draw
, boolean enable
);
81 void draw_enable_point_sprites(struct draw_context
*draw
, boolean enable
);
83 void draw_set_mrd(struct draw_context
*draw
, double mrd
);
86 draw_install_aaline_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
89 draw_install_aapoint_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
92 draw_install_pstipple_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
96 draw_find_shader_output(const struct draw_context
*draw
,
97 uint semantic_name
, uint semantic_index
);
100 draw_num_shader_outputs(const struct draw_context
*draw
);
104 draw_texture_samplers(struct draw_context
*draw
,
107 struct tgsi_sampler
**samplers
);
110 draw_set_sampler_views(struct draw_context
*draw
,
111 struct pipe_sampler_view
**views
,
114 draw_set_samplers(struct draw_context
*draw
,
115 struct pipe_sampler_state
**samplers
,
119 draw_set_mapped_texture(struct draw_context
*draw
,
120 unsigned sampler_idx
,
121 uint32_t width
, uint32_t height
, uint32_t depth
,
123 uint32_t row_stride
[DRAW_MAX_TEXTURE_LEVELS
],
124 uint32_t img_stride
[DRAW_MAX_TEXTURE_LEVELS
],
125 const void *data
[DRAW_MAX_TEXTURE_LEVELS
]);
129 * Vertex shader functions
132 struct draw_vertex_shader
*
133 draw_create_vertex_shader(struct draw_context
*draw
,
134 const struct pipe_shader_state
*shader
);
135 void draw_bind_vertex_shader(struct draw_context
*draw
,
136 struct draw_vertex_shader
*dvs
);
137 void draw_delete_vertex_shader(struct draw_context
*draw
,
138 struct draw_vertex_shader
*dvs
);
142 * Fragment shader functions
144 struct draw_fragment_shader
*
145 draw_create_fragment_shader(struct draw_context
*draw
,
146 const struct pipe_shader_state
*shader
);
147 void draw_bind_fragment_shader(struct draw_context
*draw
,
148 struct draw_fragment_shader
*dvs
);
149 void draw_delete_fragment_shader(struct draw_context
*draw
,
150 struct draw_fragment_shader
*dvs
);
153 * Geometry shader functions
155 struct draw_geometry_shader
*
156 draw_create_geometry_shader(struct draw_context
*draw
,
157 const struct pipe_shader_state
*shader
);
158 void draw_bind_geometry_shader(struct draw_context
*draw
,
159 struct draw_geometry_shader
*dvs
);
160 void draw_delete_geometry_shader(struct draw_context
*draw
,
161 struct draw_geometry_shader
*dvs
);
165 * Vertex data functions
168 void draw_set_vertex_buffers(struct draw_context
*draw
,
170 const struct pipe_vertex_buffer
*buffers
);
172 void draw_set_vertex_elements(struct draw_context
*draw
,
174 const struct pipe_vertex_element
*elements
);
176 void draw_set_index_buffer(struct draw_context
*draw
,
177 const struct pipe_index_buffer
*ib
);
179 void draw_set_mapped_index_buffer(struct draw_context
*draw
,
180 const void *elements
);
182 void draw_set_mapped_vertex_buffer(struct draw_context
*draw
,
183 unsigned attr
, const void *buffer
);
186 draw_set_mapped_constant_buffer(struct draw_context
*draw
,
187 unsigned shader_type
,
193 draw_set_mapped_so_buffers(struct draw_context
*draw
,
194 void *buffers
[PIPE_MAX_SO_BUFFERS
],
195 unsigned num_buffers
);
197 draw_set_so_state(struct draw_context
*draw
,
198 struct pipe_stream_output_state
*state
);
201 /***********************************************************************
205 void draw_vbo(struct draw_context
*draw
,
206 const struct pipe_draw_info
*info
);
208 void draw_arrays(struct draw_context
*draw
, unsigned prim
,
209 unsigned start
, unsigned count
);
212 draw_arrays_instanced(struct draw_context
*draw
,
216 unsigned startInstance
,
217 unsigned instanceCount
);
220 /*******************************************************************************
221 * Driver backend interface
224 void draw_set_render( struct draw_context
*draw
,
225 struct vbuf_render
*render
);
227 void draw_set_driver_clipping( struct draw_context
*draw
,
228 boolean bypass_clip_xy
,
229 boolean bypass_clip_z
);
231 void draw_set_force_passthrough( struct draw_context
*draw
,
234 /*******************************************************************************
237 boolean
draw_need_pipeline(const struct draw_context
*draw
,
238 const struct pipe_rasterizer_state
*rasterizer
,
242 draw_get_shader_param(unsigned shader
, enum pipe_cap param
)
245 case PIPE_SHADER_VERTEX
:
246 case PIPE_SHADER_GEOMETRY
:
247 return tgsi_exec_get_shader_param(param
);
253 #endif /* DRAW_CONTEXT_H */