1 /**************************************************************************
3 * Copyright 2003 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
31 #include "main/arrayobj.h"
32 #include "main/mtypes.h"
33 #include "state_tracker/st_api.h"
34 #include "main/fbobject.h"
35 #include "state_tracker/st_atom.h"
36 #include "util/u_helpers.h"
37 #include "util/u_inlines.h"
38 #include "util/list.h"
40 #include "util/list.h"
48 struct dd_function_table
;
51 struct gen_mipmap_state
;
53 struct st_common_program
;
54 struct st_perf_monitor_group
;
58 struct st_bitmap_cache
60 /** Window pos to render the cached image */
62 /** Bounds of region used in window coords */
63 GLint xmin
, ymin
, xmax
, ymax
;
67 /** Bitmap's Z position */
70 struct pipe_resource
*texture
;
71 struct pipe_transfer
*trans
;
75 /** An I8 texture image: */
79 struct st_bound_handles
86 #define NUM_DRAWPIX_CACHE_ENTRIES 4
88 struct drawpix_cache_entry
90 GLsizei width
, height
;
92 const void *user_pointer
; /**< Last user 'pixels' pointer */
93 void *image
; /**< Copy of the glDrawPixels image data */
94 struct pipe_resource
*texture
;
100 * Node for a linked list of dead sampler views.
102 struct st_zombie_sampler_view_node
104 struct pipe_sampler_view
*view
;
105 struct list_head node
;
110 * Node for a linked list of dead shaders.
112 struct st_zombie_shader_node
115 enum pipe_shader_type type
;
116 struct list_head node
;
122 struct st_context_iface iface
;
124 struct gl_context
*ctx
;
126 struct pipe_context
*pipe
;
128 struct draw_context
*draw
; /**< For selection/feedback/rastpos only */
129 struct draw_stage
*feedback_stage
; /**< For GL_FEEDBACK rendermode */
130 struct draw_stage
*selection_stage
; /**< For GL_SELECT rendermode */
131 struct draw_stage
*rastpos_stage
; /**< For glRasterPos */
132 GLboolean clamp_frag_color_in_shader
;
133 GLboolean clamp_vert_color_in_shader
;
134 boolean clamp_frag_depth_in_shader
;
135 boolean has_stencil_export
; /**< can do shader stencil export? */
136 boolean has_time_elapsed
;
139 boolean has_astc_2d_ldr
;
140 boolean prefer_blit_based_texture_transfer
;
141 boolean force_persample_in_shader
;
142 boolean has_shareable_shaders
;
143 boolean has_half_float_packing
;
144 boolean has_multi_draw_indirect
;
145 boolean has_single_pipe_stat
;
146 boolean has_indep_blend_func
;
147 boolean needs_rgb_dst_alpha_override
;
148 boolean can_bind_const_buffer_as_vertex
;
149 boolean has_signed_vertex_buffer_offset
;
150 boolean lower_flatshade
;
151 boolean lower_alpha_test
;
152 boolean lower_point_size
;
153 boolean lower_two_sided_color
;
156 /* There are consequences for drivers wanting to call st_finalize_nir
157 * twice, once before shader caching and once after lowering for shader
158 * variants. If shader variants use lowering passes that are not ready
159 * for that, things can blow up.
161 * If this is true, st_finalize_nir and pipe_screen::finalize_nir will be
162 * called before the result is stored in the shader cache. If lowering for
163 * shader variants is invoked, the functions will be called again.
165 boolean allow_st_finalize_nir_twice
;
168 * If a shader can be created when we get its source.
169 * This means it has only 1 variant, not counting glBitmap and
172 boolean shader_has_one_variant
[MESA_SHADER_STAGES
];
174 boolean needs_texcoord_semantic
;
175 boolean apply_texture_swizzle_to_border_color
;
177 /* On old libGL's for linux we need to invalidate the drawables
178 * on glViewpport calls, this is set via a option.
180 boolean invalidate_on_gl_viewport
;
181 boolean draw_needs_minmax_index
;
182 boolean has_hw_atomics
;
184 /* Some state is contained in constant objects.
185 * Other state is just parameter values.
188 struct pipe_blend_state blend
;
189 struct pipe_depth_stencil_alpha_state depth_stencil
;
190 struct pipe_rasterizer_state rasterizer
;
191 struct pipe_sampler_state frag_samplers
[PIPE_MAX_SAMPLERS
];
192 GLuint num_frag_samplers
;
193 struct pipe_sampler_view
*frag_sampler_views
[PIPE_MAX_SAMPLERS
];
194 GLuint num_sampler_views
[PIPE_SHADER_TYPES
];
195 struct pipe_clip_state clip
;
199 } constants
[PIPE_SHADER_TYPES
];
202 unsigned fb_num_samples
;
203 unsigned fb_num_layers
;
205 unsigned num_viewports
;
206 struct pipe_scissor_state scissor
[PIPE_MAX_VIEWPORTS
];
207 struct pipe_viewport_state viewport
[PIPE_MAX_VIEWPORTS
];
211 struct pipe_scissor_state rects
[PIPE_MAX_WINDOW_RECTANGLES
];
214 GLuint poly_stipple
[32]; /**< In OpenGL's bottom-to-top order */
216 GLuint fb_orientation
;
218 bool enable_sample_locations
;
219 unsigned sample_locations_samples
;
220 uint8_t sample_locations
[
221 PIPE_MAX_SAMPLE_LOCATION_GRID_SIZE
*
222 PIPE_MAX_SAMPLE_LOCATION_GRID_SIZE
* 32];
225 uint64_t dirty
; /**< dirty states */
227 /** This masks out unused shader resources. Only valid in draw calls. */
228 uint64_t active_states
;
230 unsigned pin_thread_counter
; /* for L3 thread pinning on AMD Zen */
232 /* If true, further analysis of states is required to know if something
233 * has changed. Used mainly for shaders.
235 bool gfx_shaders_may_be_dirty
;
236 bool compute_shader_may_be_dirty
;
238 GLboolean vertdata_edgeflags
;
239 GLboolean edgeflag_culls_prims
;
242 * The number of currently active queries (excluding timer queries).
243 * This is used to know if we need to pause any queries for meta ops.
245 unsigned active_queries
;
249 struct st_vertex_program
*vp
; /**< Currently bound vertex program */
250 struct st_common_program
*tcp
; /**< Currently bound tess control program */
251 struct st_common_program
*tep
; /**< Currently bound tess eval program */
252 struct st_common_program
*gp
; /**< Currently bound geometry program */
253 struct st_common_program
*fp
; /**< Currently bound fragment program */
254 struct st_common_program
*cp
; /**< Currently bound compute program */
256 struct gl_program
*current_program
[MESA_SHADER_STAGES
];
259 struct st_vp_variant
*vp_variant
;
262 struct pipe_resource
*pixelmap_texture
;
263 struct pipe_sampler_view
*pixelmap_sampler_view
;
268 struct pipe_rasterizer_state rasterizer
;
269 struct pipe_sampler_state sampler
;
270 struct pipe_sampler_state atlas_sampler
;
271 enum pipe_format tex_format
;
272 struct st_bitmap_cache cache
;
275 /** for glDraw/CopyPixels */
280 /** Cache of glDrawPixels images */
282 struct drawpix_cache_entry entries
[NUM_DRAWPIX_CACHE_ENTRIES
];
286 /** for glReadPixels */
288 struct pipe_resource
*src
;
289 struct pipe_resource
*cache
;
290 enum pipe_format dst_format
;
298 struct pipe_rasterizer_state raster
;
299 struct pipe_viewport_state viewport
;
306 /* For gl(Compressed)Tex(Sub)Image */
308 struct pipe_rasterizer_state raster
;
309 struct pipe_blend_state upload_blend
;
313 void *download_fs
[3][PIPE_MAX_TEXTURE_TYPES
];
315 bool download_enabled
;
321 /** for drawing with st_util_vertex */
322 struct pipe_vertex_element util_velems
[3];
324 /** passthrough vertex shader matching the util_velem attributes */
325 void *passthrough_vs
;
327 enum pipe_texture_target internal_target
;
329 struct cso_context
*cso_context
;
331 void *winsys_drawable_handle
;
333 /* The number of vertex buffers from the last call of validate_arrays. */
334 unsigned last_num_vbuffers
;
339 struct st_config_options options
;
341 struct st_perf_monitor_group
*perfmon
;
343 enum pipe_reset_status reset_status
;
345 /* Array of bound texture/image handles which are resident in the context.
347 struct st_bound_handles bound_texture_handles
[PIPE_SHADER_TYPES
];
348 struct st_bound_handles bound_image_handles
[PIPE_SHADER_TYPES
];
351 struct list_head winsys_buffers
;
353 /* Throttling for texture uploads and similar operations to limit memory
354 * usage by limiting the number of in-flight operations based on
355 * the estimated allocated size needed to execute those operations.
357 struct util_throttle throttle
;
360 struct st_zombie_sampler_view_node list
;
362 } zombie_sampler_views
;
365 struct st_zombie_shader_node list
;
373 * Get the state tracker context for the given Mesa context.
375 static inline struct st_context
*
376 st_context(struct gl_context
*ctx
)
382 extern struct st_context
*
383 st_create_context(gl_api api
, struct pipe_context
*pipe
,
384 const struct gl_config
*visual
,
385 struct st_context
*share
,
386 const struct st_config_options
*options
,
390 st_destroy_context(struct st_context
*st
);
394 st_invalidate_buffers(struct st_context
*st
);
398 st_save_zombie_sampler_view(struct st_context
*st
,
399 struct pipe_sampler_view
*view
);
402 st_save_zombie_shader(struct st_context
*st
,
403 enum pipe_shader_type type
,
404 struct pipe_shader_state
*shader
);
408 st_context_free_zombie_objects(struct st_context
*st
);
413 * Wrapper for struct gl_framebuffer.
414 * This is an opaque type to the outside world.
416 struct st_framebuffer
418 struct gl_framebuffer Base
;
420 struct st_framebuffer_iface
*iface
;
421 enum st_attachment_type statts
[ST_ATTACHMENT_COUNT
];
427 /* list of framebuffer objects */
428 struct list_head head
;