2 /**************************************************************************
4 * Copyright 2007 VMware, Inc.
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 VMWARE 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 <keithw@vmware.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
;
48 struct draw_fragment_shader
;
54 * structure to contain driver internal information
55 * for stream out support. mapping stores the pointer
56 * to the buffer contents, and internal offset stores
57 * an internal counter to how much of the stream
58 * out buffer is used (in bytes).
60 struct draw_so_target
{
61 struct pipe_stream_output_target target
;
66 struct draw_context
*draw_create( struct pipe_context
*pipe
);
69 struct draw_context
*draw_create_with_llvm_context(struct pipe_context
*pipe
,
73 struct draw_context
*draw_create_no_llvm(struct pipe_context
*pipe
);
75 void draw_destroy( struct draw_context
*draw
);
77 void draw_flush(struct draw_context
*draw
);
79 void draw_set_viewport_states( struct draw_context
*draw
,
81 unsigned num_viewports
,
82 const struct pipe_viewport_state
*viewports
);
84 void draw_set_clip_state( struct draw_context
*pipe
,
85 const struct pipe_clip_state
*clip
);
88 * Sets the rasterization state used by the draw module.
89 * The rast_handle is used to pass the driver specific representation
90 * of the rasterization state. It's going to be used when the
91 * draw module sets the state back on the driver itself using the
92 * pipe::bind_rasterizer_state method.
94 * NOTE: if you're calling this function from within the pipe's
95 * bind_rasterizer_state you should always call it before binding
96 * the actual state - that's because the draw module can try to
97 * bind its own rasterizer state which would reset your newly
98 * set state. i.e. always do
99 * draw_set_rasterizer_state(driver->draw, state->pipe_state, state);
100 * driver->state.raster = state;
102 void draw_set_rasterizer_state( struct draw_context
*draw
,
103 const struct pipe_rasterizer_state
*raster
,
106 void draw_set_rasterize_stage( struct draw_context
*draw
,
107 struct draw_stage
*stage
);
109 void draw_wide_point_threshold(struct draw_context
*draw
, float threshold
);
111 void draw_wide_point_sprites(struct draw_context
*draw
, boolean draw_sprite
);
113 void draw_wide_line_threshold(struct draw_context
*draw
, float threshold
);
115 void draw_enable_line_stipple(struct draw_context
*draw
, boolean enable
);
117 void draw_enable_point_sprites(struct draw_context
*draw
, boolean enable
);
119 void draw_set_zs_format(struct draw_context
*draw
, enum pipe_format format
);
122 draw_install_aaline_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
125 draw_install_aapoint_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
128 draw_install_pstipple_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
131 struct tgsi_shader_info
*
132 draw_get_shader_info(const struct draw_context
*draw
);
135 draw_prepare_shader_outputs(struct draw_context
*draw
);
138 draw_find_shader_output(const struct draw_context
*draw
,
139 uint semantic_name
, uint semantic_index
);
142 draw_will_inject_frontface(const struct draw_context
*draw
);
145 draw_num_shader_outputs(const struct draw_context
*draw
);
148 draw_total_vs_outputs(const struct draw_context
*draw
);
151 draw_total_gs_outputs(const struct draw_context
*draw
);
154 draw_texture_sampler(struct draw_context
*draw
,
156 struct tgsi_sampler
*sampler
);
159 draw_image(struct draw_context
*draw
,
161 struct tgsi_image
*image
);
164 draw_buffer(struct draw_context
*draw
,
166 struct tgsi_buffer
*buffer
);
169 draw_set_sampler_views(struct draw_context
*draw
,
170 enum pipe_shader_type shader_stage
,
171 struct pipe_sampler_view
**views
,
174 draw_set_samplers(struct draw_context
*draw
,
175 enum pipe_shader_type shader_stage
,
176 struct pipe_sampler_state
**samplers
,
180 draw_set_mapped_texture(struct draw_context
*draw
,
181 unsigned shader_stage
,
183 uint32_t width
, uint32_t height
, uint32_t depth
,
184 uint32_t first_level
, uint32_t last_level
,
186 uint32_t row_stride
[PIPE_MAX_TEXTURE_LEVELS
],
187 uint32_t img_stride
[PIPE_MAX_TEXTURE_LEVELS
],
188 uint32_t mip_offsets
[PIPE_MAX_TEXTURE_LEVELS
]);
192 * Vertex shader functions
195 struct draw_vertex_shader
*
196 draw_create_vertex_shader(struct draw_context
*draw
,
197 const struct pipe_shader_state
*shader
);
198 void draw_bind_vertex_shader(struct draw_context
*draw
,
199 struct draw_vertex_shader
*dvs
);
200 void draw_delete_vertex_shader(struct draw_context
*draw
,
201 struct draw_vertex_shader
*dvs
);
202 void draw_vs_attach_so(struct draw_vertex_shader
*dvs
,
203 const struct pipe_stream_output_info
*info
);
204 void draw_vs_reset_so(struct draw_vertex_shader
*dvs
);
208 * Fragment shader functions
210 struct draw_fragment_shader
*
211 draw_create_fragment_shader(struct draw_context
*draw
,
212 const struct pipe_shader_state
*shader
);
213 void draw_bind_fragment_shader(struct draw_context
*draw
,
214 struct draw_fragment_shader
*dvs
);
215 void draw_delete_fragment_shader(struct draw_context
*draw
,
216 struct draw_fragment_shader
*dvs
);
219 * Geometry shader functions
221 struct draw_geometry_shader
*
222 draw_create_geometry_shader(struct draw_context
*draw
,
223 const struct pipe_shader_state
*shader
);
224 void draw_bind_geometry_shader(struct draw_context
*draw
,
225 struct draw_geometry_shader
*dvs
);
226 void draw_delete_geometry_shader(struct draw_context
*draw
,
227 struct draw_geometry_shader
*dvs
);
231 * Vertex data functions
234 void draw_set_vertex_buffers(struct draw_context
*draw
,
235 unsigned start_slot
, unsigned count
,
236 const struct pipe_vertex_buffer
*buffers
);
238 void draw_set_vertex_elements(struct draw_context
*draw
,
240 const struct pipe_vertex_element
*elements
);
242 void draw_set_indexes(struct draw_context
*draw
,
243 const void *elements
, unsigned elem_size
,
244 unsigned available_space
);
246 void draw_set_mapped_vertex_buffer(struct draw_context
*draw
,
247 unsigned attr
, const void *buffer
,
251 draw_set_mapped_constant_buffer(struct draw_context
*draw
,
252 unsigned shader_type
,
258 draw_set_mapped_so_targets(struct draw_context
*draw
,
260 struct draw_so_target
*targets
[PIPE_MAX_SO_BUFFERS
]);
263 /***********************************************************************
267 void draw_vbo(struct draw_context
*draw
,
268 const struct pipe_draw_info
*info
);
271 /*******************************************************************************
272 * Driver backend interface
275 void draw_set_render( struct draw_context
*draw
,
276 struct vbuf_render
*render
);
278 void draw_set_driver_clipping( struct draw_context
*draw
,
279 boolean bypass_clip_xy
,
280 boolean bypass_clip_z
,
281 boolean guard_band_xy
,
282 boolean bypass_clip_points
);
284 void draw_set_force_passthrough( struct draw_context
*draw
,
288 /*******************************************************************************
291 void draw_collect_pipeline_statistics(struct draw_context
*draw
,
294 /*******************************************************************************
297 boolean
draw_need_pipeline(const struct draw_context
*draw
,
298 const struct pipe_rasterizer_state
*rasterizer
,
302 draw_get_shader_param(unsigned shader
, enum pipe_shader_cap param
);
305 draw_get_shader_param_no_llvm(unsigned shader
, enum pipe_shader_cap param
);
308 draw_get_option_use_llvm(void);
310 #endif /* DRAW_CONTEXT_H */