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_tess_ctrl_shader
;
49 struct draw_tess_eval_shader
;
50 struct draw_fragment_shader
;
56 * structure to contain driver internal information
57 * for stream out support. mapping stores the pointer
58 * to the buffer contents, and internal offset stores
59 * an internal counter to how much of the stream
60 * out buffer is used (in bytes).
62 struct draw_so_target
{
63 struct pipe_stream_output_target target
;
68 bool draw_has_llvm(void);
70 struct draw_context
*draw_create( struct pipe_context
*pipe
);
73 struct draw_context
*draw_create_with_llvm_context(struct pipe_context
*pipe
,
77 struct draw_context
*draw_create_no_llvm(struct pipe_context
*pipe
);
79 void draw_destroy( struct draw_context
*draw
);
81 void draw_flush(struct draw_context
*draw
);
83 void draw_set_viewport_states( struct draw_context
*draw
,
85 unsigned num_viewports
,
86 const struct pipe_viewport_state
*viewports
);
88 void draw_set_clip_state( struct draw_context
*pipe
,
89 const struct pipe_clip_state
*clip
);
92 * Sets the rasterization state used by the draw module.
93 * The rast_handle is used to pass the driver specific representation
94 * of the rasterization state. It's going to be used when the
95 * draw module sets the state back on the driver itself using the
96 * pipe::bind_rasterizer_state method.
98 * NOTE: if you're calling this function from within the pipe's
99 * bind_rasterizer_state you should always call it before binding
100 * the actual state - that's because the draw module can try to
101 * bind its own rasterizer state which would reset your newly
102 * set state. i.e. always do
103 * draw_set_rasterizer_state(driver->draw, state->pipe_state, state);
104 * driver->state.raster = state;
106 void draw_set_rasterizer_state( struct draw_context
*draw
,
107 const struct pipe_rasterizer_state
*raster
,
110 void draw_set_rasterize_stage( struct draw_context
*draw
,
111 struct draw_stage
*stage
);
113 void draw_wide_point_threshold(struct draw_context
*draw
, float threshold
);
115 void draw_wide_point_sprites(struct draw_context
*draw
, boolean draw_sprite
);
117 void draw_wide_line_threshold(struct draw_context
*draw
, float threshold
);
119 void draw_enable_line_stipple(struct draw_context
*draw
, boolean enable
);
121 void draw_enable_point_sprites(struct draw_context
*draw
, boolean enable
);
123 void draw_set_zs_format(struct draw_context
*draw
, enum pipe_format format
);
125 /* for TGSI constants are 4 * sizeof(float), but for NIR they need to be sizeof(float); */
126 void draw_set_constant_buffer_stride(struct draw_context
*draw
, unsigned num_bytes
);
129 draw_install_aaline_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
132 draw_install_aapoint_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
135 draw_install_pstipple_stage(struct draw_context
*draw
, struct pipe_context
*pipe
);
138 struct tgsi_shader_info
*
139 draw_get_shader_info(const struct draw_context
*draw
);
142 draw_prepare_shader_outputs(struct draw_context
*draw
);
145 draw_find_shader_output(const struct draw_context
*draw
,
146 uint semantic_name
, uint semantic_index
);
149 draw_will_inject_frontface(const struct draw_context
*draw
);
152 draw_num_shader_outputs(const struct draw_context
*draw
);
155 draw_total_vs_outputs(const struct draw_context
*draw
);
158 draw_total_gs_outputs(const struct draw_context
*draw
);
161 draw_total_tcs_outputs(const struct draw_context
*draw
);
164 draw_total_tes_outputs(const struct draw_context
*draw
);
167 draw_texture_sampler(struct draw_context
*draw
,
168 enum pipe_shader_type shader_type
,
169 struct tgsi_sampler
*sampler
);
172 draw_image(struct draw_context
*draw
,
173 enum pipe_shader_type shader_type
,
174 struct tgsi_image
*image
);
177 draw_buffer(struct draw_context
*draw
,
178 enum pipe_shader_type shader_type
,
179 struct tgsi_buffer
*buffer
);
182 draw_set_sampler_views(struct draw_context
*draw
,
183 enum pipe_shader_type shader_stage
,
184 struct pipe_sampler_view
**views
,
187 draw_set_samplers(struct draw_context
*draw
,
188 enum pipe_shader_type shader_stage
,
189 struct pipe_sampler_state
**samplers
,
193 draw_set_images(struct draw_context
*draw
,
194 enum pipe_shader_type shader_stage
,
195 struct pipe_image_view
*images
,
199 draw_set_mapped_texture(struct draw_context
*draw
,
200 enum pipe_shader_type shader_stage
,
202 uint32_t width
, uint32_t height
, uint32_t depth
,
203 uint32_t first_level
, uint32_t last_level
,
204 uint32_t num_samples
,
205 uint32_t sample_stride
,
207 uint32_t row_stride
[PIPE_MAX_TEXTURE_LEVELS
],
208 uint32_t img_stride
[PIPE_MAX_TEXTURE_LEVELS
],
209 uint32_t mip_offsets
[PIPE_MAX_TEXTURE_LEVELS
]);
212 draw_set_mapped_image(struct draw_context
*draw
,
213 enum pipe_shader_type shader_stage
,
215 uint32_t width
, uint32_t height
, uint32_t depth
,
216 const void *base_ptr
,
219 uint32_t num_samples
,
220 uint32_t sample_stride
);
223 * Vertex shader functions
226 struct draw_vertex_shader
*
227 draw_create_vertex_shader(struct draw_context
*draw
,
228 const struct pipe_shader_state
*shader
);
229 void draw_bind_vertex_shader(struct draw_context
*draw
,
230 struct draw_vertex_shader
*dvs
);
231 void draw_delete_vertex_shader(struct draw_context
*draw
,
232 struct draw_vertex_shader
*dvs
);
233 void draw_vs_attach_so(struct draw_vertex_shader
*dvs
,
234 const struct pipe_stream_output_info
*info
);
235 void draw_vs_reset_so(struct draw_vertex_shader
*dvs
);
239 * Fragment shader functions
241 struct draw_fragment_shader
*
242 draw_create_fragment_shader(struct draw_context
*draw
,
243 const struct pipe_shader_state
*shader
);
244 void draw_bind_fragment_shader(struct draw_context
*draw
,
245 struct draw_fragment_shader
*dvs
);
246 void draw_delete_fragment_shader(struct draw_context
*draw
,
247 struct draw_fragment_shader
*dvs
);
250 * Geometry shader functions
252 struct draw_geometry_shader
*
253 draw_create_geometry_shader(struct draw_context
*draw
,
254 const struct pipe_shader_state
*shader
);
255 void draw_bind_geometry_shader(struct draw_context
*draw
,
256 struct draw_geometry_shader
*dvs
);
257 void draw_delete_geometry_shader(struct draw_context
*draw
,
258 struct draw_geometry_shader
*dvs
);
261 * Tess shader functions
263 struct draw_tess_ctrl_shader
*
264 draw_create_tess_ctrl_shader(struct draw_context
*draw
,
265 const struct pipe_shader_state
*shader
);
266 void draw_bind_tess_ctrl_shader(struct draw_context
*draw
,
267 struct draw_tess_ctrl_shader
*dvs
);
268 void draw_delete_tess_ctrl_shader(struct draw_context
*draw
,
269 struct draw_tess_ctrl_shader
*dvs
);
270 struct draw_tess_eval_shader
*
271 draw_create_tess_eval_shader(struct draw_context
*draw
,
272 const struct pipe_shader_state
*shader
);
273 void draw_bind_tess_eval_shader(struct draw_context
*draw
,
274 struct draw_tess_eval_shader
*dvs
);
275 void draw_delete_tess_eval_shader(struct draw_context
*draw
,
276 struct draw_tess_eval_shader
*dvs
);
277 void draw_set_tess_state(struct draw_context
*draw
,
278 const float default_outer_level
[4],
279 const float default_inner_level
[2]);
282 * Vertex data functions
285 void draw_set_vertex_buffers(struct draw_context
*draw
,
286 unsigned start_slot
, unsigned count
,
287 const struct pipe_vertex_buffer
*buffers
);
289 void draw_set_vertex_elements(struct draw_context
*draw
,
291 const struct pipe_vertex_element
*elements
);
293 void draw_set_indexes(struct draw_context
*draw
,
294 const void *elements
, unsigned elem_size
,
295 unsigned available_space
);
297 void draw_set_mapped_vertex_buffer(struct draw_context
*draw
,
298 unsigned attr
, const void *buffer
,
302 draw_set_mapped_constant_buffer(struct draw_context
*draw
,
303 enum pipe_shader_type shader_type
,
309 draw_set_mapped_shader_buffer(struct draw_context
*draw
,
310 enum pipe_shader_type shader_type
,
316 draw_set_mapped_so_targets(struct draw_context
*draw
,
318 struct draw_so_target
*targets
[PIPE_MAX_SO_BUFFERS
]);
321 /***********************************************************************
325 void draw_vbo(struct draw_context
*draw
,
326 const struct pipe_draw_info
*info
);
329 /*******************************************************************************
330 * Driver backend interface
333 void draw_set_render( struct draw_context
*draw
,
334 struct vbuf_render
*render
);
336 void draw_set_driver_clipping( struct draw_context
*draw
,
337 boolean bypass_clip_xy
,
338 boolean bypass_clip_z
,
339 boolean guard_band_xy
,
340 boolean bypass_clip_points
);
342 void draw_set_force_passthrough( struct draw_context
*draw
,
346 /*******************************************************************************
349 void draw_collect_pipeline_statistics(struct draw_context
*draw
,
352 void draw_collect_primitives_generated(struct draw_context
*draw
,
355 /*******************************************************************************
358 boolean
draw_need_pipeline(const struct draw_context
*draw
,
359 const struct pipe_rasterizer_state
*rasterizer
,
363 draw_get_shader_param(enum pipe_shader_type shader
, enum pipe_shader_cap param
);
366 draw_get_shader_param_no_llvm(enum pipe_shader_type shader
,
367 enum pipe_shader_cap param
);
370 draw_get_option_use_llvm(void);
372 struct lp_cached_code
;
374 draw_set_disk_cache_callbacks(struct draw_context
*draw
,
376 void (*find_shader
)(void *cookie
,
377 struct lp_cached_code
*cache
,
378 unsigned char ir_sha1_cache_key
[20]),
379 void (*insert_shader
)(void *cookie
,
380 struct lp_cached_code
*cache
,
381 unsigned char ir_sha1_cache_key
[20]));
382 #endif /* DRAW_CONTEXT_H */