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"
46 struct draw_vertex_shader
;
47 struct draw_geometry_shader
;
50 #define DRAW_MAX_TEXTURE_LEVELS 13 /* 4K x 4K for now */
52 struct draw_context
*draw_create( struct pipe_context
*pipe
);
54 void draw_destroy( struct draw_context
*draw
);
56 void draw_flush(struct draw_context
*draw
);
58 void draw_set_viewport_state( struct draw_context
*draw
,
59 const struct pipe_viewport_state
*viewport
);
61 void draw_set_clip_state( struct draw_context
*pipe
,
62 const struct pipe_clip_state
*clip
);
64 void draw_set_rasterizer_state( struct draw_context
*draw
,
65 const struct pipe_rasterizer_state
*raster
,
68 void draw_set_rasterize_stage( struct draw_context
*draw
,
69 struct draw_stage
*stage
);
71 void draw_wide_point_threshold(struct draw_context
*draw
, float threshold
);
73 void draw_wide_point_sprites(struct draw_context
*draw
, boolean draw_sprite
);
75 void draw_wide_line_threshold(struct draw_context
*draw
, float threshold
);
77 void draw_enable_line_stipple(struct draw_context
*draw
, boolean enable
);
79 void draw_enable_point_sprites(struct draw_context
*draw
, boolean enable
);
81 void draw_set_mrd(struct draw_context
*draw
, double mrd
);
84 draw_install_aaline_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
87 draw_install_aapoint_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
90 draw_install_pstipple_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
94 draw_find_shader_output(const struct draw_context
*draw
,
95 uint semantic_name
, uint semantic_index
);
98 draw_num_shader_outputs(const struct draw_context
*draw
);
102 draw_texture_samplers(struct draw_context
*draw
,
105 struct tgsi_sampler
**samplers
);
108 draw_set_sampler_views(struct draw_context
*draw
,
109 struct pipe_sampler_view
**views
,
112 draw_set_samplers(struct draw_context
*draw
,
113 struct pipe_sampler_state
**samplers
,
117 draw_set_mapped_texture(struct draw_context
*draw
,
118 unsigned sampler_idx
,
119 uint32_t width
, uint32_t height
, uint32_t depth
,
121 uint32_t row_stride
[DRAW_MAX_TEXTURE_LEVELS
],
122 uint32_t img_stride
[DRAW_MAX_TEXTURE_LEVELS
],
123 const void *data
[DRAW_MAX_TEXTURE_LEVELS
]);
127 * Vertex shader functions
130 struct draw_vertex_shader
*
131 draw_create_vertex_shader(struct draw_context
*draw
,
132 const struct pipe_shader_state
*shader
);
133 void draw_bind_vertex_shader(struct draw_context
*draw
,
134 struct draw_vertex_shader
*dvs
);
135 void draw_delete_vertex_shader(struct draw_context
*draw
,
136 struct draw_vertex_shader
*dvs
);
140 * Geometry shader functions
142 struct draw_geometry_shader
*
143 draw_create_geometry_shader(struct draw_context
*draw
,
144 const struct pipe_shader_state
*shader
);
145 void draw_bind_geometry_shader(struct draw_context
*draw
,
146 struct draw_geometry_shader
*dvs
);
147 void draw_delete_geometry_shader(struct draw_context
*draw
,
148 struct draw_geometry_shader
*dvs
);
152 * Vertex data functions
155 void draw_set_vertex_buffers(struct draw_context
*draw
,
157 const struct pipe_vertex_buffer
*buffers
);
159 void draw_set_vertex_elements(struct draw_context
*draw
,
161 const struct pipe_vertex_element
*elements
);
163 void draw_set_index_buffer(struct draw_context
*draw
,
164 const struct pipe_index_buffer
*ib
);
166 void draw_set_mapped_index_buffer(struct draw_context
*draw
,
167 const void *elements
);
169 void draw_set_mapped_vertex_buffer(struct draw_context
*draw
,
170 unsigned attr
, const void *buffer
);
173 draw_set_mapped_constant_buffer(struct draw_context
*draw
,
174 unsigned shader_type
,
180 draw_set_mapped_so_buffers(struct draw_context
*draw
,
181 void *buffers
[PIPE_MAX_SO_BUFFERS
],
182 unsigned num_buffers
);
184 draw_set_so_state(struct draw_context
*draw
,
185 struct pipe_stream_output_state
*state
);
188 /***********************************************************************
192 void draw_vbo(struct draw_context
*draw
,
193 const struct pipe_draw_info
*info
);
195 void draw_arrays(struct draw_context
*draw
, unsigned prim
,
196 unsigned start
, unsigned count
);
199 draw_arrays_instanced(struct draw_context
*draw
,
203 unsigned startInstance
,
204 unsigned instanceCount
);
207 /*******************************************************************************
208 * Driver backend interface
211 void draw_set_render( struct draw_context
*draw
,
212 struct vbuf_render
*render
);
214 void draw_set_driver_clipping( struct draw_context
*draw
,
215 boolean bypass_clip_xy
,
216 boolean bypass_clip_z
);
218 void draw_set_force_passthrough( struct draw_context
*draw
,
221 /*******************************************************************************
224 boolean
draw_need_pipeline(const struct draw_context
*draw
,
225 const struct pipe_rasterizer_state
*rasterizer
,
228 #endif /* DRAW_CONTEXT_H */