1 /**************************************************************************
3 * Copyright 2007 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 **************************************************************************/
28 #include "main/imports.h"
29 #include "main/accum.h"
30 #include "main/api_exec.h"
31 #include "main/context.h"
32 #include "main/glthread.h"
33 #include "main/samplerobj.h"
34 #include "main/shaderobj.h"
35 #include "main/version.h"
36 #include "main/vtxfmt.h"
37 #include "main/hash.h"
38 #include "program/prog_cache.h"
40 #include "glapi/glapi.h"
41 #include "st_manager.h"
42 #include "st_context.h"
44 #include "st_cb_bitmap.h"
45 #include "st_cb_blit.h"
46 #include "st_cb_bufferobjects.h"
47 #include "st_cb_clear.h"
48 #include "st_cb_compute.h"
49 #include "st_cb_condrender.h"
50 #include "st_cb_copyimage.h"
51 #include "st_cb_drawpixels.h"
52 #include "st_cb_rasterpos.h"
53 #include "st_cb_drawtex.h"
54 #include "st_cb_eglimage.h"
55 #include "st_cb_fbo.h"
56 #include "st_cb_feedback.h"
57 #include "st_cb_memoryobjects.h"
58 #include "st_cb_msaa.h"
59 #include "st_cb_perfmon.h"
60 #include "st_cb_perfquery.h"
61 #include "st_cb_program.h"
62 #include "st_cb_queryobj.h"
63 #include "st_cb_readpixels.h"
64 #include "st_cb_semaphoreobjects.h"
65 #include "st_cb_texture.h"
66 #include "st_cb_xformfb.h"
67 #include "st_cb_flush.h"
68 #include "st_cb_syncobj.h"
69 #include "st_cb_strings.h"
70 #include "st_cb_texturebarrier.h"
71 #include "st_cb_viewport.h"
74 #include "st_extensions.h"
75 #include "st_gen_mipmap.h"
77 #include "st_program.h"
78 #include "st_sampler_view.h"
79 #include "st_shader_cache.h"
81 #include "st_texture.h"
83 #include "pipe/p_context.h"
84 #include "util/u_cpu_detect.h"
85 #include "util/u_inlines.h"
86 #include "util/u_upload_mgr.h"
87 #include "util/u_vbuf.h"
88 #include "cso_cache/cso_context.h"
89 #include "compiler/glsl/glsl_parser_extras.h"
92 DEBUG_GET_ONCE_BOOL_OPTION(mesa_mvp_dp4
, "MESA_MVP_DP4", FALSE
)
96 * Called via ctx->Driver.Enable()
99 st_Enable(struct gl_context
*ctx
, GLenum cap
, GLboolean state
)
101 struct st_context
*st
= st_context(ctx
);
104 case GL_DEBUG_OUTPUT
:
105 case GL_DEBUG_OUTPUT_SYNCHRONOUS
:
106 st_update_debug_callback(st
);
115 * Called via ctx->Driver.QueryMemoryInfo()
118 st_query_memory_info(struct gl_context
*ctx
, struct gl_memory_info
*out
)
120 struct pipe_screen
*screen
= st_context(ctx
)->pipe
->screen
;
121 struct pipe_memory_info info
;
123 assert(screen
->query_memory_info
);
124 if (!screen
->query_memory_info
)
127 screen
->query_memory_info(screen
, &info
);
129 out
->total_device_memory
= info
.total_device_memory
;
130 out
->avail_device_memory
= info
.avail_device_memory
;
131 out
->total_staging_memory
= info
.total_staging_memory
;
132 out
->avail_staging_memory
= info
.avail_staging_memory
;
133 out
->device_memory_evicted
= info
.device_memory_evicted
;
134 out
->nr_device_memory_evictions
= info
.nr_device_memory_evictions
;
139 st_get_active_states(struct gl_context
*ctx
)
141 struct st_program
*vp
=
142 st_program(ctx
->VertexProgram
._Current
);
143 struct st_program
*tcp
=
144 st_program(ctx
->TessCtrlProgram
._Current
);
145 struct st_program
*tep
=
146 st_program(ctx
->TessEvalProgram
._Current
);
147 struct st_program
*gp
=
148 st_program(ctx
->GeometryProgram
._Current
);
149 struct st_program
*fp
=
150 st_program(ctx
->FragmentProgram
._Current
);
151 struct st_program
*cp
=
152 st_program(ctx
->ComputeProgram
._Current
);
153 uint64_t active_shader_states
= 0;
156 active_shader_states
|= vp
->affected_states
;
158 active_shader_states
|= tcp
->affected_states
;
160 active_shader_states
|= tep
->affected_states
;
162 active_shader_states
|= gp
->affected_states
;
164 active_shader_states
|= fp
->affected_states
;
166 active_shader_states
|= cp
->affected_states
;
168 /* Mark non-shader-resource shader states as "always active". */
169 return active_shader_states
| ~ST_ALL_SHADER_RESOURCES
;
174 st_invalidate_buffers(struct st_context
*st
)
176 st
->dirty
|= ST_NEW_BLEND
|
179 ST_NEW_SAMPLE_STATE
|
180 ST_NEW_SAMPLE_SHADING
|
182 ST_NEW_POLY_STIPPLE
|
186 ST_NEW_WINDOW_RECTANGLES
;
191 st_vp_uses_current_values(const struct gl_context
*ctx
)
193 const uint64_t inputs
= ctx
->VertexProgram
._Current
->info
.inputs_read
;
194 return _mesa_draw_current_bits(ctx
) & inputs
;
199 * Called via ctx->Driver.UpdateState()
202 st_invalidate_state(struct gl_context
*ctx
)
204 GLbitfield new_state
= ctx
->NewState
;
205 struct st_context
*st
= st_context(ctx
);
207 if (new_state
& _NEW_BUFFERS
) {
208 st_invalidate_buffers(st
);
210 /* These set a subset of flags set by _NEW_BUFFERS, so we only have to
211 * check them when _NEW_BUFFERS isn't set.
213 if (new_state
& _NEW_PROGRAM
)
214 st
->dirty
|= ST_NEW_RASTERIZER
;
216 if (new_state
& _NEW_FOG
)
217 st
->dirty
|= ST_NEW_FS_STATE
;
219 if (new_state
& _NEW_FRAG_CLAMP
) {
220 if (st
->clamp_frag_color_in_shader
)
221 st
->dirty
|= ST_NEW_FS_STATE
;
223 st
->dirty
|= ST_NEW_RASTERIZER
;
227 if (new_state
& (_NEW_LIGHT
|
229 st
->dirty
|= ST_NEW_RASTERIZER
;
231 if ((new_state
& _NEW_LIGHT
) &&
232 (st
->lower_flatshade
|| st
->lower_two_sided_color
))
233 st
->dirty
|= ST_NEW_FS_STATE
;
235 if (new_state
& _NEW_PROJECTION
&&
236 st_user_clip_planes_enabled(ctx
))
237 st
->dirty
|= ST_NEW_CLIP_STATE
;
239 if (new_state
& _NEW_PIXEL
)
240 st
->dirty
|= ST_NEW_PIXEL_TRANSFER
;
242 if (new_state
& _NEW_CURRENT_ATTRIB
&& st_vp_uses_current_values(ctx
))
243 st
->dirty
|= ST_NEW_VERTEX_ARRAYS
;
245 if (st
->clamp_frag_depth_in_shader
&& (new_state
& _NEW_VIEWPORT
)) {
246 if (ctx
->GeometryProgram
._Current
)
247 st
->dirty
|= ST_NEW_GS_CONSTANTS
;
248 else if (ctx
->TessEvalProgram
._Current
)
249 st
->dirty
|= ST_NEW_TES_CONSTANTS
;
251 st
->dirty
|= ST_NEW_VS_CONSTANTS
;
252 st
->dirty
|= ST_NEW_FS_CONSTANTS
;
255 /* Update the vertex shader if ctx->Light._ClampVertexColor was changed. */
256 if (st
->clamp_vert_color_in_shader
&& (new_state
& _NEW_LIGHT
)) {
257 st
->dirty
|= ST_NEW_VS_STATE
;
258 if (st
->ctx
->API
== API_OPENGL_COMPAT
&& ctx
->Version
>= 32) {
259 st
->dirty
|= ST_NEW_GS_STATE
| ST_NEW_TES_STATE
;
263 /* Which shaders are dirty will be determined manually. */
264 if (new_state
& _NEW_PROGRAM
) {
265 st
->gfx_shaders_may_be_dirty
= true;
266 st
->compute_shader_may_be_dirty
= true;
267 /* This will mask out unused shader resources. */
268 st
->active_states
= st_get_active_states(ctx
);
271 if (new_state
& _NEW_TEXTURE_OBJECT
) {
272 st
->dirty
|= st
->active_states
&
273 (ST_NEW_SAMPLER_VIEWS
|
276 if (ctx
->FragmentProgram
._Current
&&
277 ctx
->FragmentProgram
._Current
->ExternalSamplersUsed
) {
278 st
->dirty
|= ST_NEW_FS_STATE
;
285 * In some circumstances (such as running google-chrome) the state
286 * tracker may try to delete a resource view from a context different
287 * than when it was created. We don't want to do that.
289 * In that situation, st_texture_release_all_sampler_views() calls this
290 * function to transfer the sampler view reference to this context (expected
291 * to be the context which created the view.)
294 st_save_zombie_sampler_view(struct st_context
*st
,
295 struct pipe_sampler_view
*view
)
297 struct st_zombie_sampler_view_node
*entry
;
299 assert(view
->context
== st
->pipe
);
301 entry
= MALLOC_STRUCT(st_zombie_sampler_view_node
);
307 /* We need a mutex since this function may be called from one thread
308 * while free_zombie_resource_views() is called from another.
310 simple_mtx_lock(&st
->zombie_sampler_views
.mutex
);
311 list_addtail(&entry
->node
, &st
->zombie_sampler_views
.list
.node
);
312 simple_mtx_unlock(&st
->zombie_sampler_views
.mutex
);
317 * Since OpenGL shaders may be shared among contexts, we can wind up
318 * with variants of a shader created with different contexts.
319 * When we go to destroy a gallium shader, we want to free it with the
320 * same context that it was created with, unless the driver reports
321 * PIPE_CAP_SHAREABLE_SHADERS = TRUE.
324 st_save_zombie_shader(struct st_context
*st
,
325 enum pipe_shader_type type
,
326 struct pipe_shader_state
*shader
)
328 struct st_zombie_shader_node
*entry
;
330 /* we shouldn't be here if the driver supports shareable shaders */
331 assert(!st
->has_shareable_shaders
);
333 entry
= MALLOC_STRUCT(st_zombie_shader_node
);
337 entry
->shader
= shader
;
340 /* We need a mutex since this function may be called from one thread
341 * while free_zombie_shaders() is called from another.
343 simple_mtx_lock(&st
->zombie_shaders
.mutex
);
344 list_addtail(&entry
->node
, &st
->zombie_shaders
.list
.node
);
345 simple_mtx_unlock(&st
->zombie_shaders
.mutex
);
350 * Free any zombie sampler views that may be attached to this context.
353 free_zombie_sampler_views(struct st_context
*st
)
355 struct st_zombie_sampler_view_node
*entry
, *next
;
357 if (list_is_empty(&st
->zombie_sampler_views
.list
.node
)) {
361 simple_mtx_lock(&st
->zombie_sampler_views
.mutex
);
363 LIST_FOR_EACH_ENTRY_SAFE(entry
, next
,
364 &st
->zombie_sampler_views
.list
.node
, node
) {
365 list_del(&entry
->node
); // remove this entry from the list
367 assert(entry
->view
->context
== st
->pipe
);
368 pipe_sampler_view_reference(&entry
->view
, NULL
);
373 assert(list_is_empty(&st
->zombie_sampler_views
.list
.node
));
375 simple_mtx_unlock(&st
->zombie_sampler_views
.mutex
);
380 * Free any zombie shaders that may be attached to this context.
383 free_zombie_shaders(struct st_context
*st
)
385 struct st_zombie_shader_node
*entry
, *next
;
387 if (list_is_empty(&st
->zombie_shaders
.list
.node
)) {
391 simple_mtx_lock(&st
->zombie_shaders
.mutex
);
393 LIST_FOR_EACH_ENTRY_SAFE(entry
, next
,
394 &st
->zombie_shaders
.list
.node
, node
) {
395 list_del(&entry
->node
); // remove this entry from the list
397 switch (entry
->type
) {
398 case PIPE_SHADER_VERTEX
:
399 cso_delete_vertex_shader(st
->cso_context
, entry
->shader
);
401 case PIPE_SHADER_FRAGMENT
:
402 cso_delete_fragment_shader(st
->cso_context
, entry
->shader
);
404 case PIPE_SHADER_GEOMETRY
:
405 cso_delete_geometry_shader(st
->cso_context
, entry
->shader
);
407 case PIPE_SHADER_TESS_CTRL
:
408 cso_delete_tessctrl_shader(st
->cso_context
, entry
->shader
);
410 case PIPE_SHADER_TESS_EVAL
:
411 cso_delete_tesseval_shader(st
->cso_context
, entry
->shader
);
413 case PIPE_SHADER_COMPUTE
:
414 cso_delete_compute_shader(st
->cso_context
, entry
->shader
);
417 unreachable("invalid shader type in free_zombie_shaders()");
422 assert(list_is_empty(&st
->zombie_shaders
.list
.node
));
424 simple_mtx_unlock(&st
->zombie_shaders
.mutex
);
429 * This function is called periodically to free any zombie objects
430 * which are attached to this context.
433 st_context_free_zombie_objects(struct st_context
*st
)
435 free_zombie_sampler_views(st
);
436 free_zombie_shaders(st
);
441 st_destroy_context_priv(struct st_context
*st
, bool destroy_pipe
)
445 st_destroy_atoms(st
);
447 st_destroy_clear(st
);
448 st_destroy_bitmap(st
);
449 st_destroy_drawpix(st
);
450 st_destroy_drawtex(st
);
451 st_destroy_perfmon(st
);
452 st_destroy_pbo_helpers(st
);
453 st_destroy_bound_texture_handles(st
);
454 st_destroy_bound_image_handles(st
);
456 for (i
= 0; i
< ARRAY_SIZE(st
->state
.frag_sampler_views
); i
++) {
457 pipe_sampler_view_reference(&st
->state
.vert_sampler_views
[i
], NULL
);
458 pipe_sampler_view_reference(&st
->state
.frag_sampler_views
[i
], NULL
);
461 /* free glReadPixels cache data */
462 st_invalidate_readpix_cache(st
);
463 util_throttle_deinit(st
->pipe
->screen
, &st
->throttle
);
465 cso_destroy_context(st
->cso_context
);
467 if (st
->pipe
&& destroy_pipe
)
468 st
->pipe
->destroy(st
->pipe
);
475 st_init_driver_flags(struct st_context
*st
)
477 struct gl_driver_flags
*f
= &st
->ctx
->DriverFlags
;
479 f
->NewArray
= ST_NEW_VERTEX_ARRAYS
;
480 f
->NewRasterizerDiscard
= ST_NEW_RASTERIZER
;
481 f
->NewTileRasterOrder
= ST_NEW_RASTERIZER
;
482 f
->NewUniformBuffer
= ST_NEW_UNIFORM_BUFFER
;
483 f
->NewDefaultTessLevels
= ST_NEW_TESS_STATE
;
485 /* Shader resources */
486 f
->NewTextureBuffer
= ST_NEW_SAMPLER_VIEWS
;
487 if (st
->has_hw_atomics
)
488 f
->NewAtomicBuffer
= ST_NEW_HW_ATOMICS
| ST_NEW_CS_ATOMICS
;
490 f
->NewAtomicBuffer
= ST_NEW_ATOMIC_BUFFER
;
491 f
->NewShaderStorageBuffer
= ST_NEW_STORAGE_BUFFER
;
492 f
->NewImageUnits
= ST_NEW_IMAGE_UNITS
;
494 f
->NewShaderConstants
[MESA_SHADER_VERTEX
] = ST_NEW_VS_CONSTANTS
;
495 f
->NewShaderConstants
[MESA_SHADER_TESS_CTRL
] = ST_NEW_TCS_CONSTANTS
;
496 f
->NewShaderConstants
[MESA_SHADER_TESS_EVAL
] = ST_NEW_TES_CONSTANTS
;
497 f
->NewShaderConstants
[MESA_SHADER_GEOMETRY
] = ST_NEW_GS_CONSTANTS
;
498 f
->NewShaderConstants
[MESA_SHADER_FRAGMENT
] = ST_NEW_FS_CONSTANTS
;
499 f
->NewShaderConstants
[MESA_SHADER_COMPUTE
] = ST_NEW_CS_CONSTANTS
;
501 f
->NewWindowRectangles
= ST_NEW_WINDOW_RECTANGLES
;
502 f
->NewFramebufferSRGB
= ST_NEW_FB_STATE
;
503 f
->NewScissorRect
= ST_NEW_SCISSOR
;
504 f
->NewScissorTest
= ST_NEW_SCISSOR
| ST_NEW_RASTERIZER
;
506 if (st
->lower_alpha_test
)
507 f
->NewAlphaTest
= ST_NEW_FS_STATE
;
509 f
->NewAlphaTest
= ST_NEW_DSA
;
511 f
->NewBlend
= ST_NEW_BLEND
;
512 f
->NewBlendColor
= ST_NEW_BLEND_COLOR
;
513 f
->NewColorMask
= ST_NEW_BLEND
;
514 f
->NewDepth
= ST_NEW_DSA
;
515 f
->NewLogicOp
= ST_NEW_BLEND
;
516 f
->NewStencil
= ST_NEW_DSA
;
517 f
->NewMultisampleEnable
= ST_NEW_BLEND
| ST_NEW_RASTERIZER
|
518 ST_NEW_SAMPLE_STATE
| ST_NEW_SAMPLE_SHADING
;
519 f
->NewSampleAlphaToXEnable
= ST_NEW_BLEND
;
520 f
->NewSampleMask
= ST_NEW_SAMPLE_STATE
;
521 f
->NewSampleLocations
= ST_NEW_SAMPLE_STATE
;
522 f
->NewSampleShading
= ST_NEW_SAMPLE_SHADING
;
524 /* This depends on what the gallium driver wants. */
525 if (st
->force_persample_in_shader
) {
526 f
->NewMultisampleEnable
|= ST_NEW_FS_STATE
;
527 f
->NewSampleShading
|= ST_NEW_FS_STATE
;
529 f
->NewSampleShading
|= ST_NEW_RASTERIZER
;
532 f
->NewClipControl
= ST_NEW_VIEWPORT
| ST_NEW_RASTERIZER
;
533 f
->NewClipPlane
= ST_NEW_CLIP_STATE
;
535 if (st
->clamp_frag_depth_in_shader
) {
536 f
->NewClipControl
|= ST_NEW_VS_STATE
| ST_NEW_GS_STATE
|
539 f
->NewDepthClamp
= ST_NEW_FS_STATE
| ST_NEW_VS_STATE
|
540 ST_NEW_GS_STATE
| ST_NEW_TES_STATE
;
542 f
->NewDepthClamp
= ST_NEW_RASTERIZER
;
546 f
->NewClipPlaneEnable
= ST_NEW_VS_STATE
;
548 f
->NewClipPlaneEnable
= ST_NEW_RASTERIZER
;
550 f
->NewLineState
= ST_NEW_RASTERIZER
;
551 f
->NewPolygonState
= ST_NEW_RASTERIZER
;
552 f
->NewPolygonStipple
= ST_NEW_POLY_STIPPLE
;
553 f
->NewViewport
= ST_NEW_VIEWPORT
;
554 f
->NewNvConservativeRasterization
= ST_NEW_RASTERIZER
;
555 f
->NewNvConservativeRasterizationParams
= ST_NEW_RASTERIZER
;
556 f
->NewIntelConservativeRasterization
= ST_NEW_RASTERIZER
;
560 static struct st_context
*
561 st_create_context_priv(struct gl_context
*ctx
, struct pipe_context
*pipe
,
562 const struct st_config_options
*options
, bool no_error
)
564 struct pipe_screen
*screen
= pipe
->screen
;
566 struct st_context
*st
= ST_CALLOC_STRUCT( st_context
);
568 st
->options
= *options
;
575 /* state tracker needs the VBO module */
576 _vbo_CreateContext(ctx
);
578 st
->dirty
= ST_ALL_STATES_MASK
;
580 st
->can_bind_const_buffer_as_vertex
=
581 screen
->get_param(screen
, PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX
);
583 /* st/mesa always uploads zero-stride vertex attribs, and other user
584 * vertex buffers are only possible with a compatibility profile.
585 * So tell the u_vbuf module that user VBOs are not possible with the Core
586 * profile, so that u_vbuf is bypassed completely if there is nothing else
590 ctx
->API
== API_OPENGL_CORE
? CSO_NO_USER_VERTEX_BUFFERS
: 0;
591 st
->cso_context
= cso_create_context(pipe
, cso_flags
);
595 st_init_pbo_helpers(st
);
597 /* Choose texture target for glDrawPixels, glBitmap, renderbuffers */
598 if (pipe
->screen
->get_param(pipe
->screen
, PIPE_CAP_NPOT_TEXTURES
))
599 st
->internal_target
= PIPE_TEXTURE_2D
;
601 st
->internal_target
= PIPE_TEXTURE_RECT
;
603 /* Setup vertex element info for 'struct st_util_vertex'.
606 STATIC_ASSERT(sizeof(struct st_util_vertex
) == 9 * sizeof(float));
608 memset(&st
->util_velems
, 0, sizeof(st
->util_velems
));
609 st
->util_velems
[0].src_offset
= 0;
610 st
->util_velems
[0].vertex_buffer_index
= 0;
611 st
->util_velems
[0].src_format
= PIPE_FORMAT_R32G32B32_FLOAT
;
612 st
->util_velems
[1].src_offset
= 3 * sizeof(float);
613 st
->util_velems
[1].vertex_buffer_index
= 0;
614 st
->util_velems
[1].src_format
= PIPE_FORMAT_R32G32B32A32_FLOAT
;
615 st
->util_velems
[2].src_offset
= 7 * sizeof(float);
616 st
->util_velems
[2].vertex_buffer_index
= 0;
617 st
->util_velems
[2].src_format
= PIPE_FORMAT_R32G32_FLOAT
;
620 /* we want all vertex data to be placed in buffer objects */
621 vbo_use_buffer_objects(ctx
);
625 ctx
->FragmentProgram
._MaintainTexEnvProgram
= GL_TRUE
;
626 ctx
->VertexProgram
._MaintainTnlProgram
= GL_TRUE
;
629 ctx
->Const
.ContextFlags
|= GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR
;
631 ctx
->Const
.PackedDriverUniformStorage
=
632 screen
->get_param(screen
, PIPE_CAP_PACKED_UNIFORMS
);
634 ctx
->Const
.BitmapUsesRed
=
635 screen
->is_format_supported(screen
, PIPE_FORMAT_R8_UNORM
,
636 PIPE_TEXTURE_2D
, 0, 0,
637 PIPE_BIND_SAMPLER_VIEW
);
639 st
->has_stencil_export
=
640 screen
->get_param(screen
, PIPE_CAP_SHADER_STENCIL_EXPORT
);
641 st
->has_etc1
= screen
->is_format_supported(screen
, PIPE_FORMAT_ETC1_RGB8
,
642 PIPE_TEXTURE_2D
, 0, 0,
643 PIPE_BIND_SAMPLER_VIEW
);
644 st
->has_etc2
= screen
->is_format_supported(screen
, PIPE_FORMAT_ETC2_RGB8
,
645 PIPE_TEXTURE_2D
, 0, 0,
646 PIPE_BIND_SAMPLER_VIEW
);
647 st
->has_astc_2d_ldr
=
648 screen
->is_format_supported(screen
, PIPE_FORMAT_ASTC_4x4_SRGB
,
649 PIPE_TEXTURE_2D
, 0, 0, PIPE_BIND_SAMPLER_VIEW
);
650 st
->has_astc_5x5_ldr
=
651 screen
->is_format_supported(screen
, PIPE_FORMAT_ASTC_5x5_SRGB
,
652 PIPE_TEXTURE_2D
, 0, 0, PIPE_BIND_SAMPLER_VIEW
);
653 st
->prefer_blit_based_texture_transfer
= screen
->get_param(screen
,
654 PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
);
655 st
->force_persample_in_shader
=
656 screen
->get_param(screen
, PIPE_CAP_SAMPLE_SHADING
) &&
657 !screen
->get_param(screen
, PIPE_CAP_FORCE_PERSAMPLE_INTERP
);
658 st
->has_shareable_shaders
= screen
->get_param(screen
,
659 PIPE_CAP_SHAREABLE_SHADERS
);
660 st
->needs_texcoord_semantic
=
661 screen
->get_param(screen
, PIPE_CAP_TGSI_TEXCOORD
);
662 st
->apply_texture_swizzle_to_border_color
=
663 !!(screen
->get_param(screen
, PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
) &
664 (PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50
|
665 PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600
));
666 st
->has_time_elapsed
=
667 screen
->get_param(screen
, PIPE_CAP_QUERY_TIME_ELAPSED
);
668 st
->has_half_float_packing
=
669 screen
->get_param(screen
, PIPE_CAP_TGSI_PACK_HALF_FLOAT
);
670 st
->has_multi_draw_indirect
=
671 screen
->get_param(screen
, PIPE_CAP_MULTI_DRAW_INDIRECT
);
672 st
->has_single_pipe_stat
=
673 screen
->get_param(screen
, PIPE_CAP_QUERY_PIPELINE_STATISTICS_SINGLE
);
674 st
->has_indep_blend_func
=
675 screen
->get_param(screen
, PIPE_CAP_INDEP_BLEND_FUNC
);
676 st
->needs_rgb_dst_alpha_override
=
677 screen
->get_param(screen
, PIPE_CAP_RGB_OVERRIDE_DST_ALPHA_BLEND
);
678 st
->lower_flatshade
=
679 !screen
->get_param(screen
, PIPE_CAP_FLATSHADE
);
680 st
->lower_alpha_test
=
681 !screen
->get_param(screen
, PIPE_CAP_ALPHA_TEST
);
682 st
->lower_point_size
=
683 !screen
->get_param(screen
, PIPE_CAP_POINT_SIZE_FIXED
);
684 st
->lower_two_sided_color
=
685 !screen
->get_param(screen
, PIPE_CAP_TWO_SIDED_COLOR
);
687 !screen
->get_param(screen
, PIPE_CAP_CLIP_PLANES
);
688 st
->allow_st_finalize_nir_twice
= screen
->finalize_nir
!= NULL
;
691 screen
->get_shader_param(screen
, PIPE_SHADER_FRAGMENT
,
692 PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS
)
695 util_throttle_init(&st
->throttle
,
696 screen
->get_param(screen
,
697 PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET
));
699 /* GL limits and extensions */
700 st_init_limits(pipe
->screen
, &ctx
->Const
, &ctx
->Extensions
);
701 st_init_extensions(pipe
->screen
, &ctx
->Const
,
702 &ctx
->Extensions
, &st
->options
, ctx
->API
);
704 /* FIXME: add support for geometry and tessellation shaders for
707 assert(!ctx
->Extensions
.OES_geometry_shader
|| !st
->lower_point_size
);
708 assert(!ctx
->Extensions
.ARB_tessellation_shader
|| !st
->lower_point_size
);
710 /* FIXME: add support for geometry and tessellation shaders for
713 assert(!ctx
->Extensions
.OES_geometry_shader
|| !st
->lower_ucp
);
714 assert(!ctx
->Extensions
.ARB_tessellation_shader
|| !st
->lower_ucp
);
716 if (st_have_perfmon(st
)) {
717 ctx
->Extensions
.AMD_performance_monitor
= GL_TRUE
;
720 if (st_have_perfquery(st
)) {
721 ctx
->Extensions
.INTEL_performance_query
= GL_TRUE
;
724 /* Enable shader-based fallbacks for ARB_color_buffer_float if needed. */
725 if (screen
->get_param(screen
, PIPE_CAP_VERTEX_COLOR_UNCLAMPED
)) {
726 if (!screen
->get_param(screen
, PIPE_CAP_VERTEX_COLOR_CLAMPED
)) {
727 st
->clamp_vert_color_in_shader
= GL_TRUE
;
730 if (!screen
->get_param(screen
, PIPE_CAP_FRAGMENT_COLOR_CLAMPED
)) {
731 st
->clamp_frag_color_in_shader
= GL_TRUE
;
734 /* For drivers which cannot do color clamping, it's better to just
735 * disable ARB_color_buffer_float in the core profile, because
736 * the clamping is deprecated there anyway. */
737 if (ctx
->API
== API_OPENGL_CORE
&&
738 (st
->clamp_frag_color_in_shader
|| st
->clamp_vert_color_in_shader
)) {
739 st
->clamp_vert_color_in_shader
= GL_FALSE
;
740 st
->clamp_frag_color_in_shader
= GL_FALSE
;
741 ctx
->Extensions
.ARB_color_buffer_float
= GL_FALSE
;
745 if (screen
->get_param(screen
, PIPE_CAP_DEPTH_CLIP_DISABLE
) == 2)
746 st
->clamp_frag_depth_in_shader
= true;
748 /* called after _mesa_create_context/_mesa_init_point, fix default user
749 * settable max point size up
751 ctx
->Point
.MaxSize
= MAX2(ctx
->Const
.MaxPointSize
,
752 ctx
->Const
.MaxPointSizeAA
);
753 /* For vertex shaders, make sure not to emit saturate when SM 3.0
756 ctx
->Const
.ShaderCompilerOptions
[MESA_SHADER_VERTEX
].EmitNoSat
=
757 !screen
->get_param(screen
, PIPE_CAP_VERTEX_SHADER_SATURATE
);
759 ctx
->Const
.ShaderCompilerOptions
[MESA_SHADER_VERTEX
].PositionAlwaysInvariant
= options
->vs_position_always_invariant
;
761 enum pipe_shader_ir preferred_ir
= (enum pipe_shader_ir
)
762 screen
->get_shader_param(screen
, PIPE_SHADER_VERTEX
,
763 PIPE_SHADER_CAP_PREFERRED_IR
);
764 ctx
->Const
.UseNIRGLSLLinker
= preferred_ir
== PIPE_SHADER_IR_NIR
;
766 if (ctx
->Const
.GLSLVersion
< 400) {
767 for (i
= 0; i
< MESA_SHADER_STAGES
; i
++)
768 ctx
->Const
.ShaderCompilerOptions
[i
].EmitNoIndirectSampler
= true;
771 /* Set which shader types can be compiled at link time. */
772 st
->shader_has_one_variant
[MESA_SHADER_VERTEX
] =
773 st
->has_shareable_shaders
&&
774 !st
->clamp_frag_depth_in_shader
&&
775 !st
->clamp_vert_color_in_shader
&&
776 !st
->lower_point_size
&&
779 st
->shader_has_one_variant
[MESA_SHADER_FRAGMENT
] =
780 st
->has_shareable_shaders
&&
781 !st
->lower_flatshade
&&
782 !st
->lower_alpha_test
&&
783 !st
->clamp_frag_color_in_shader
&&
784 !st
->clamp_frag_depth_in_shader
&&
785 !st
->force_persample_in_shader
&&
786 !st
->lower_two_sided_color
;
788 st
->shader_has_one_variant
[MESA_SHADER_TESS_CTRL
] = st
->has_shareable_shaders
;
789 st
->shader_has_one_variant
[MESA_SHADER_TESS_EVAL
] =
790 st
->has_shareable_shaders
&&
791 !st
->clamp_frag_depth_in_shader
&&
792 !st
->clamp_vert_color_in_shader
;
793 st
->shader_has_one_variant
[MESA_SHADER_GEOMETRY
] =
794 st
->has_shareable_shaders
&&
795 !st
->clamp_frag_depth_in_shader
&&
796 !st
->clamp_vert_color_in_shader
;
797 st
->shader_has_one_variant
[MESA_SHADER_COMPUTE
] = st
->has_shareable_shaders
;
799 st
->bitmap
.cache
.empty
= true;
801 _mesa_override_extensions(ctx
);
802 _mesa_compute_version(ctx
);
804 if (ctx
->Version
== 0) {
805 /* This can happen when a core profile was requested, but the driver
806 * does not support some features of GL 3.1 or later.
808 st_destroy_context_priv(st
, false);
812 _mesa_initialize_dispatch_tables(ctx
);
813 _mesa_initialize_vbo_vtxfmt(ctx
);
814 st_init_driver_flags(st
);
816 /* Initialize context's winsys buffers list */
817 list_inithead(&st
->winsys_buffers
);
819 list_inithead(&st
->zombie_sampler_views
.list
.node
);
820 simple_mtx_init(&st
->zombie_sampler_views
.mutex
, mtx_plain
);
821 list_inithead(&st
->zombie_shaders
.list
.node
);
822 simple_mtx_init(&st
->zombie_shaders
.mutex
, mtx_plain
);
829 st_emit_string_marker(struct gl_context
*ctx
, const GLchar
*string
, GLsizei len
)
831 struct st_context
*st
= ctx
->st
;
832 st
->pipe
->emit_string_marker(st
->pipe
, string
, len
);
837 st_set_background_context(struct gl_context
*ctx
,
838 struct util_queue_monitoring
*queue_info
)
840 struct st_context
*st
= ctx
->st
;
841 struct st_manager
*smapi
=
842 (struct st_manager
*) st
->iface
.st_context_private
;
844 assert(smapi
->set_background_context
);
845 smapi
->set_background_context(&st
->iface
, queue_info
);
850 st_get_device_uuid(struct gl_context
*ctx
, char *uuid
)
852 struct pipe_screen
*screen
= st_context(ctx
)->pipe
->screen
;
854 assert(GL_UUID_SIZE_EXT
>= PIPE_UUID_SIZE
);
855 memset(uuid
, 0, GL_UUID_SIZE_EXT
);
856 screen
->get_device_uuid(screen
, uuid
);
861 st_get_driver_uuid(struct gl_context
*ctx
, char *uuid
)
863 struct pipe_screen
*screen
= st_context(ctx
)->pipe
->screen
;
865 assert(GL_UUID_SIZE_EXT
>= PIPE_UUID_SIZE
);
866 memset(uuid
, 0, GL_UUID_SIZE_EXT
);
867 screen
->get_driver_uuid(screen
, uuid
);
872 st_init_driver_functions(struct pipe_screen
*screen
,
873 struct dd_function_table
*functions
)
875 _mesa_init_sampler_object_functions(functions
);
877 st_init_draw_functions(functions
);
878 st_init_blit_functions(functions
);
879 st_init_bufferobject_functions(screen
, functions
);
880 st_init_clear_functions(functions
);
881 st_init_bitmap_functions(functions
);
882 st_init_copy_image_functions(functions
);
883 st_init_drawpixels_functions(functions
);
884 st_init_rasterpos_functions(functions
);
886 st_init_drawtex_functions(functions
);
888 st_init_eglimage_functions(functions
);
890 st_init_fbo_functions(functions
);
891 st_init_feedback_functions(functions
);
892 st_init_memoryobject_functions(functions
);
893 st_init_msaa_functions(functions
);
894 st_init_perfmon_functions(functions
);
895 st_init_perfquery_functions(functions
);
896 st_init_program_functions(functions
);
897 st_init_query_functions(functions
);
898 st_init_cond_render_functions(functions
);
899 st_init_readpixels_functions(functions
);
900 st_init_semaphoreobject_functions(functions
);
901 st_init_texture_functions(functions
);
902 st_init_texture_barrier_functions(functions
);
903 st_init_flush_functions(screen
, functions
);
904 st_init_string_functions(functions
);
905 st_init_viewport_functions(functions
);
906 st_init_compute_functions(functions
);
908 st_init_xformfb_functions(functions
);
909 st_init_syncobj_functions(functions
);
911 st_init_vdpau_functions(functions
);
913 if (screen
->get_param(screen
, PIPE_CAP_STRING_MARKER
))
914 functions
->EmitStringMarker
= st_emit_string_marker
;
916 functions
->Enable
= st_Enable
;
917 functions
->UpdateState
= st_invalidate_state
;
918 functions
->QueryMemoryInfo
= st_query_memory_info
;
919 functions
->SetBackgroundContext
= st_set_background_context
;
920 functions
->GetDriverUuid
= st_get_driver_uuid
;
921 functions
->GetDeviceUuid
= st_get_device_uuid
;
923 /* GL_ARB_get_program_binary */
924 functions
->GetProgramBinaryDriverSHA1
= st_get_program_binary_driver_sha1
;
926 enum pipe_shader_ir preferred_ir
= (enum pipe_shader_ir
)
927 screen
->get_shader_param(screen
, PIPE_SHADER_VERTEX
,
928 PIPE_SHADER_CAP_PREFERRED_IR
);
929 if (preferred_ir
== PIPE_SHADER_IR_NIR
) {
930 functions
->ShaderCacheSerializeDriverBlob
= st_serialise_nir_program
;
931 functions
->ProgramBinarySerializeDriverBlob
=
932 st_serialise_nir_program_binary
;
933 functions
->ProgramBinaryDeserializeDriverBlob
=
934 st_deserialise_nir_program
;
936 functions
->ShaderCacheSerializeDriverBlob
= st_serialise_tgsi_program
;
937 functions
->ProgramBinarySerializeDriverBlob
=
938 st_serialise_tgsi_program_binary
;
939 functions
->ProgramBinaryDeserializeDriverBlob
=
940 st_deserialise_tgsi_program
;
946 st_create_context(gl_api api
, struct pipe_context
*pipe
,
947 const struct gl_config
*visual
,
948 struct st_context
*share
,
949 const struct st_config_options
*options
,
952 struct gl_context
*ctx
;
953 struct gl_context
*shareCtx
= share
? share
->ctx
: NULL
;
954 struct dd_function_table funcs
;
955 struct st_context
*st
;
959 memset(&funcs
, 0, sizeof(funcs
));
960 st_init_driver_functions(pipe
->screen
, &funcs
);
962 ctx
= calloc(1, sizeof(struct gl_context
));
966 if (!_mesa_initialize_context(ctx
, api
, visual
, shareCtx
, &funcs
)) {
973 if (pipe
->screen
->get_disk_shader_cache
)
974 ctx
->Cache
= pipe
->screen
->get_disk_shader_cache(pipe
->screen
);
976 /* XXX: need a capability bit in gallium to query if the pipe
977 * driver prefers DP4 or MUL/MAD for vertex transformation.
979 if (debug_get_option_mesa_mvp_dp4())
980 ctx
->Const
.ShaderCompilerOptions
[MESA_SHADER_VERTEX
].OptimizeForAOS
= GL_TRUE
;
982 st
= st_create_context_priv(ctx
, pipe
, options
, no_error
);
984 _mesa_destroy_context(ctx
);
992 * When we destroy a context, we must examine all texture objects to
993 * find/release any sampler views created by that context.
995 * This callback is called per-texture object. It releases all the
996 * texture's sampler views which belong to the context.
999 destroy_tex_sampler_cb(GLuint id
, void *data
, void *userData
)
1001 struct gl_texture_object
*texObj
= (struct gl_texture_object
*) data
;
1002 struct st_context
*st
= (struct st_context
*) userData
;
1004 st_texture_release_context_sampler_view(st
, st_texture_object(texObj
));
1008 destroy_framebuffer_attachment_sampler_cb(GLuint id
, void *data
, void *userData
)
1010 struct gl_framebuffer
* glfb
= (struct gl_framebuffer
*) data
;
1011 struct st_context
*st
= (struct st_context
*) userData
;
1013 for (unsigned i
= 0; i
< BUFFER_COUNT
; i
++) {
1014 struct gl_renderbuffer_attachment
*att
= &glfb
->Attachment
[i
];
1016 st_texture_release_context_sampler_view(st
, st_texture_object(att
->Texture
));
1022 st_destroy_context(struct st_context
*st
)
1024 struct gl_context
*ctx
= st
->ctx
;
1025 struct st_framebuffer
*stfb
, *next
;
1026 struct gl_framebuffer
*save_drawbuffer
;
1027 struct gl_framebuffer
*save_readbuffer
;
1029 /* Save the current context and draw/read buffers*/
1030 GET_CURRENT_CONTEXT(save_ctx
);
1032 save_drawbuffer
= save_ctx
->WinSysDrawBuffer
;
1033 save_readbuffer
= save_ctx
->WinSysReadBuffer
;
1035 save_drawbuffer
= save_readbuffer
= NULL
;
1039 * We need to bind the context we're deleting so that
1040 * _mesa_reference_texobj_() uses this context when deleting textures.
1041 * Similarly for framebuffer objects, etc.
1043 _mesa_make_current(ctx
, NULL
, NULL
);
1045 /* This must be called first so that glthread has a chance to finish */
1046 _mesa_glthread_destroy(ctx
);
1048 _mesa_HashWalk(ctx
->Shared
->TexObjects
, destroy_tex_sampler_cb
, st
);
1050 /* For the fallback textures, free any sampler views belonging to this
1053 for (unsigned i
= 0; i
< NUM_TEXTURE_TARGETS
; i
++) {
1054 struct st_texture_object
*stObj
=
1055 st_texture_object(ctx
->Shared
->FallbackTex
[i
]);
1057 st_texture_release_context_sampler_view(st
, stObj
);
1061 st_context_free_zombie_objects(st
);
1063 simple_mtx_destroy(&st
->zombie_sampler_views
.mutex
);
1064 simple_mtx_destroy(&st
->zombie_shaders
.mutex
);
1066 st_reference_prog(st
, &st
->fp
, NULL
);
1067 st_reference_prog(st
, &st
->gp
, NULL
);
1068 st_reference_prog(st
, &st
->vp
, NULL
);
1069 st_reference_prog(st
, &st
->tcp
, NULL
);
1070 st_reference_prog(st
, &st
->tep
, NULL
);
1071 st_reference_prog(st
, &st
->cp
, NULL
);
1073 /* release framebuffer in the winsys buffers list */
1074 LIST_FOR_EACH_ENTRY_SAFE_REV(stfb
, next
, &st
->winsys_buffers
, head
) {
1075 st_framebuffer_reference(&stfb
, NULL
);
1078 _mesa_HashWalk(ctx
->Shared
->FrameBuffers
, destroy_framebuffer_attachment_sampler_cb
, st
);
1080 pipe_sampler_view_reference(&st
->pixel_xfer
.pixelmap_sampler_view
, NULL
);
1081 pipe_resource_reference(&st
->pixel_xfer
.pixelmap_texture
, NULL
);
1083 _vbo_DestroyContext(ctx
);
1085 st_destroy_program_variants(st
);
1087 _mesa_free_context_data(ctx
);
1089 /* This will free the st_context too, so 'st' must not be accessed
1091 st_destroy_context_priv(st
, true);
1096 if (save_ctx
== ctx
) {
1097 /* unbind the context we just deleted */
1098 _mesa_make_current(NULL
, NULL
, NULL
);
1100 /* Restore the current context and draw/read buffers (may be NULL) */
1101 _mesa_make_current(save_ctx
, save_drawbuffer
, save_readbuffer
);