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"
44 #include <llvm-c/ExecutionEngine.h>
50 struct draw_vertex_shader
;
51 struct draw_geometry_shader
;
55 struct draw_context
*draw_create( void );
57 void draw_destroy( struct draw_context
*draw
);
59 void draw_set_viewport_state( struct draw_context
*draw
,
60 const struct pipe_viewport_state
*viewport
);
62 void draw_set_clip_state( struct draw_context
*pipe
,
63 const struct pipe_clip_state
*clip
);
65 void draw_set_rasterizer_state( struct draw_context
*draw
,
66 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_line_threshold(struct draw_context
*draw
, float threshold
);
75 void draw_enable_line_stipple(struct draw_context
*draw
, boolean enable
);
77 void draw_enable_point_sprites(struct draw_context
*draw
, boolean enable
);
79 void draw_set_mrd(struct draw_context
*draw
, double mrd
);
82 draw_install_aaline_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
85 draw_install_aapoint_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
88 draw_install_pstipple_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
92 draw_find_shader_output(const struct draw_context
*draw
,
93 uint semantic_name
, uint semantic_index
);
96 draw_num_shader_outputs(const struct draw_context
*draw
);
100 draw_texture_samplers(struct draw_context
*draw
,
102 struct tgsi_sampler
**samplers
);
107 * Vertex shader functions
110 struct draw_vertex_shader
*
111 draw_create_vertex_shader(struct draw_context
*draw
,
112 const struct pipe_shader_state
*shader
);
113 void draw_bind_vertex_shader(struct draw_context
*draw
,
114 struct draw_vertex_shader
*dvs
);
115 void draw_delete_vertex_shader(struct draw_context
*draw
,
116 struct draw_vertex_shader
*dvs
);
120 * Geometry shader functions
122 struct draw_geometry_shader
*
123 draw_create_geometry_shader(struct draw_context
*draw
,
124 const struct pipe_shader_state
*shader
);
125 void draw_bind_geometry_shader(struct draw_context
*draw
,
126 struct draw_geometry_shader
*dvs
);
127 void draw_delete_geometry_shader(struct draw_context
*draw
,
128 struct draw_geometry_shader
*dvs
);
132 * Vertex data functions
135 void draw_set_vertex_buffers(struct draw_context
*draw
,
137 const struct pipe_vertex_buffer
*buffers
);
139 void draw_set_vertex_elements(struct draw_context
*draw
,
141 const struct pipe_vertex_element
*elements
);
144 draw_set_mapped_element_buffer_range( struct draw_context
*draw
,
148 const void *elements
);
150 void draw_set_mapped_element_buffer( struct draw_context
*draw
,
152 const void *elements
);
154 void draw_set_mapped_vertex_buffer(struct draw_context
*draw
,
155 unsigned attr
, const void *buffer
);
158 draw_set_mapped_constant_buffer(struct draw_context
*draw
,
159 unsigned shader_type
,
165 /***********************************************************************
169 void draw_arrays(struct draw_context
*draw
, unsigned prim
,
170 unsigned start
, unsigned count
);
173 draw_arrays_instanced(struct draw_context
*draw
,
177 unsigned startInstance
,
178 unsigned instanceCount
);
180 void draw_flush(struct draw_context
*draw
);
183 /*******************************************************************************
184 * Driver backend interface
187 void draw_set_render( struct draw_context
*draw
,
188 struct vbuf_render
*render
);
190 void draw_set_driver_clipping( struct draw_context
*draw
,
191 boolean bypass_clipping
);
193 void draw_set_force_passthrough( struct draw_context
*draw
,
196 /*******************************************************************************
199 boolean
draw_need_pipeline(const struct draw_context
*draw
,
200 const struct pipe_rasterizer_state
*rasterizer
,
204 /*******************************************************************************
207 struct draw_context
*draw_create_with_llvm(LLVMExecutionEngineRef engine
);
210 #endif /* DRAW_CONTEXT_H */