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/samplerobj.h"
33 #include "main/shaderobj.h"
34 #include "main/version.h"
35 #include "main/vtxfmt.h"
36 #include "main/hash.h"
37 #include "program/prog_cache.h"
39 #include "glapi/glapi.h"
40 #include "st_context.h"
42 #include "st_cb_bitmap.h"
43 #include "st_cb_blit.h"
44 #include "st_cb_bufferobjects.h"
45 #include "st_cb_clear.h"
46 #include "st_cb_compute.h"
47 #include "st_cb_condrender.h"
48 #include "st_cb_copyimage.h"
49 #include "st_cb_drawpixels.h"
50 #include "st_cb_rasterpos.h"
51 #include "st_cb_drawtex.h"
52 #include "st_cb_eglimage.h"
53 #include "st_cb_fbo.h"
54 #include "st_cb_feedback.h"
55 #include "st_cb_msaa.h"
56 #include "st_cb_perfmon.h"
57 #include "st_cb_program.h"
58 #include "st_cb_queryobj.h"
59 #include "st_cb_readpixels.h"
60 #include "st_cb_texture.h"
61 #include "st_cb_xformfb.h"
62 #include "st_cb_flush.h"
63 #include "st_cb_syncobj.h"
64 #include "st_cb_strings.h"
65 #include "st_cb_texturebarrier.h"
66 #include "st_cb_viewport.h"
69 #include "st_extensions.h"
70 #include "st_gen_mipmap.h"
71 #include "st_program.h"
73 #include "st_texture.h"
74 #include "pipe/p_context.h"
75 #include "util/u_inlines.h"
76 #include "util/u_upload_mgr.h"
77 #include "cso_cache/cso_context.h"
80 DEBUG_GET_ONCE_BOOL_OPTION(mesa_mvp_dp4
, "MESA_MVP_DP4", FALSE
)
84 * Called via ctx->Driver.Enable()
86 static void st_Enable(struct gl_context
* ctx
, GLenum cap
, GLboolean state
)
88 struct st_context
*st
= st_context(ctx
);
92 st_enable_debug_output(st
, state
);
101 * Called via ctx->Driver.QueryMemoryInfo()
104 st_query_memory_info(struct gl_context
*ctx
, struct gl_memory_info
*out
)
106 struct pipe_screen
*screen
= st_context(ctx
)->pipe
->screen
;
107 struct pipe_memory_info info
;
109 assert(screen
->query_memory_info
);
110 if (!screen
->query_memory_info
)
113 screen
->query_memory_info(screen
, &info
);
115 out
->total_device_memory
= info
.total_device_memory
;
116 out
->avail_device_memory
= info
.avail_device_memory
;
117 out
->total_staging_memory
= info
.total_staging_memory
;
118 out
->avail_staging_memory
= info
.avail_staging_memory
;
119 out
->device_memory_evicted
= info
.device_memory_evicted
;
120 out
->nr_device_memory_evictions
= info
.nr_device_memory_evictions
;
125 * Called via ctx->Driver.UpdateState()
127 void st_invalidate_state(struct gl_context
* ctx
, GLbitfield new_state
)
129 struct st_context
*st
= st_context(ctx
);
131 /* Replace _NEW_FRAG_CLAMP with ST_NEW_FRAGMENT_PROGRAM for the fallback. */
132 if (st
->clamp_frag_color_in_shader
&& (new_state
& _NEW_FRAG_CLAMP
)) {
133 new_state
&= ~_NEW_FRAG_CLAMP
;
134 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
137 /* Update the vertex shader if ctx->Light._ClampVertexColor was changed. */
138 if (st
->clamp_vert_color_in_shader
&& (new_state
& _NEW_LIGHT
)) {
139 st
->dirty
.st
|= ST_NEW_VERTEX_PROGRAM
;
142 /* Invalidate render and compute pipelines. */
143 st
->dirty
.mesa
|= new_state
;
144 st
->dirty
.st
|= ST_NEW_MESA
;
145 st
->dirty_cp
.mesa
|= new_state
;
146 st
->dirty_cp
.st
|= ST_NEW_MESA
;
148 /* This is the only core Mesa module we depend upon.
149 * No longer use swrast, swsetup, tnl.
151 _vbo_InvalidateState(ctx
, new_state
);
156 st_destroy_context_priv(struct st_context
*st
)
160 st_destroy_atoms( st
);
161 st_destroy_draw( st
);
162 st_destroy_clear(st
);
163 st_destroy_bitmap(st
);
164 st_destroy_drawpix(st
);
165 st_destroy_drawtex(st
);
166 st_destroy_perfmon(st
);
167 st_destroy_pbo_upload(st
);
169 for (shader
= 0; shader
< ARRAY_SIZE(st
->state
.sampler_views
); shader
++) {
170 for (i
= 0; i
< ARRAY_SIZE(st
->state
.sampler_views
[0]); i
++) {
171 pipe_sampler_view_release(st
->pipe
,
172 &st
->state
.sampler_views
[shader
][i
]);
176 if (st
->default_texture
) {
177 st
->ctx
->Driver
.DeleteTexture(st
->ctx
, st
->default_texture
);
178 st
->default_texture
= NULL
;
181 u_upload_destroy(st
->uploader
);
182 if (st
->indexbuf_uploader
) {
183 u_upload_destroy(st
->indexbuf_uploader
);
185 if (st
->constbuf_uploader
) {
186 u_upload_destroy(st
->constbuf_uploader
);
189 /* free glDrawPixels cache data */
190 free(st
->drawpix_cache
.image
);
191 pipe_resource_reference(&st
->drawpix_cache
.texture
, NULL
);
193 cso_destroy_context(st
->cso_context
);
198 static struct st_context
*
199 st_create_context_priv( struct gl_context
*ctx
, struct pipe_context
*pipe
,
200 const struct st_config_options
*options
)
202 struct pipe_screen
*screen
= pipe
->screen
;
204 struct st_context
*st
= ST_CALLOC_STRUCT( st_context
);
206 st
->options
= *options
;
213 /* XXX: this is one-off, per-screen init: */
216 /* state tracker needs the VBO module */
217 _vbo_CreateContext(ctx
);
219 /* Initialize render and compute pipelines flags */
222 st
->dirty_cp
.mesa
= ~0;
223 st
->dirty_cp
.st
= ~0;
225 /* Create upload manager for vertex data for glBitmap, glDrawPixels,
228 st
->uploader
= u_upload_create(st
->pipe
, 65536, PIPE_BIND_VERTEX_BUFFER
,
231 if (!screen
->get_param(screen
, PIPE_CAP_USER_INDEX_BUFFERS
)) {
232 st
->indexbuf_uploader
= u_upload_create(st
->pipe
, 128 * 1024,
233 PIPE_BIND_INDEX_BUFFER
,
237 if (!screen
->get_param(screen
, PIPE_CAP_USER_CONSTANT_BUFFERS
))
238 st
->constbuf_uploader
= u_upload_create(pipe
, 128 * 1024,
239 PIPE_BIND_CONSTANT_BUFFER
,
242 st
->cso_context
= cso_create_context(pipe
);
247 st_init_pbo_upload(st
);
249 /* Choose texture target for glDrawPixels, glBitmap, renderbuffers */
250 if (pipe
->screen
->get_param(pipe
->screen
, PIPE_CAP_NPOT_TEXTURES
))
251 st
->internal_target
= PIPE_TEXTURE_2D
;
253 st
->internal_target
= PIPE_TEXTURE_RECT
;
255 /* Setup vertex element info for 'struct st_util_vertex'.
258 const unsigned slot
= cso_get_aux_vertex_buffer_slot(st
->cso_context
);
260 /* If this assertion ever fails all state tracker calls to
261 * cso_get_aux_vertex_buffer_slot() should be audited. This
262 * particular call would have to be moved to just before each
267 STATIC_ASSERT(sizeof(struct st_util_vertex
) == 9 * sizeof(float));
269 memset(&st
->util_velems
, 0, sizeof(st
->util_velems
));
270 st
->util_velems
[0].src_offset
= 0;
271 st
->util_velems
[0].vertex_buffer_index
= slot
;
272 st
->util_velems
[0].src_format
= PIPE_FORMAT_R32G32B32_FLOAT
;
273 st
->util_velems
[1].src_offset
= 3 * sizeof(float);
274 st
->util_velems
[1].vertex_buffer_index
= slot
;
275 st
->util_velems
[1].src_format
= PIPE_FORMAT_R32G32B32A32_FLOAT
;
276 st
->util_velems
[2].src_offset
= 7 * sizeof(float);
277 st
->util_velems
[2].vertex_buffer_index
= slot
;
278 st
->util_velems
[2].src_format
= PIPE_FORMAT_R32G32_FLOAT
;
281 /* we want all vertex data to be placed in buffer objects */
282 vbo_use_buffer_objects(ctx
);
285 /* make sure that no VBOs are left mapped when we're drawing. */
286 vbo_always_unmap_buffers(ctx
);
290 ctx
->FragmentProgram
._MaintainTexEnvProgram
= GL_TRUE
;
292 ctx
->VertexProgram
._MaintainTnlProgram
= GL_TRUE
;
294 st
->has_stencil_export
=
295 screen
->get_param(screen
, PIPE_CAP_SHADER_STENCIL_EXPORT
);
296 st
->has_shader_model3
= screen
->get_param(screen
, PIPE_CAP_SM3
);
297 st
->has_etc1
= screen
->is_format_supported(screen
, PIPE_FORMAT_ETC1_RGB8
,
299 PIPE_BIND_SAMPLER_VIEW
);
300 st
->has_etc2
= screen
->is_format_supported(screen
, PIPE_FORMAT_ETC2_RGB8
,
302 PIPE_BIND_SAMPLER_VIEW
);
303 st
->prefer_blit_based_texture_transfer
= screen
->get_param(screen
,
304 PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER
);
305 st
->force_persample_in_shader
=
306 screen
->get_param(screen
, PIPE_CAP_SAMPLE_SHADING
) &&
307 !screen
->get_param(screen
, PIPE_CAP_FORCE_PERSAMPLE_INTERP
);
308 st
->has_shareable_shaders
= screen
->get_param(screen
,
309 PIPE_CAP_SHAREABLE_SHADERS
);
310 st
->needs_texcoord_semantic
=
311 screen
->get_param(screen
, PIPE_CAP_TGSI_TEXCOORD
);
312 st
->apply_texture_swizzle_to_border_color
=
313 !!(screen
->get_param(screen
, PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK
) &
314 (PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50
|
315 PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600
));
316 st
->has_time_elapsed
=
317 screen
->get_param(screen
, PIPE_CAP_QUERY_TIME_ELAPSED
);
318 st
->has_half_float_packing
=
319 screen
->get_param(screen
, PIPE_CAP_TGSI_PACK_HALF_FLOAT
);
320 st
->has_multi_draw_indirect
=
321 screen
->get_param(screen
, PIPE_CAP_MULTI_DRAW_INDIRECT
);
323 /* GL limits and extensions */
324 st_init_limits(st
->pipe
->screen
, &ctx
->Const
, &ctx
->Extensions
);
325 st_init_extensions(st
->pipe
->screen
, &ctx
->Const
,
326 &ctx
->Extensions
, &st
->options
, ctx
->Mesa_DXTn
);
328 if (st_have_perfmon(st
)) {
329 ctx
->Extensions
.AMD_performance_monitor
= GL_TRUE
;
332 /* Enable shader-based fallbacks for ARB_color_buffer_float if needed. */
333 if (screen
->get_param(screen
, PIPE_CAP_VERTEX_COLOR_UNCLAMPED
)) {
334 if (!screen
->get_param(screen
, PIPE_CAP_VERTEX_COLOR_CLAMPED
)) {
335 st
->clamp_vert_color_in_shader
= GL_TRUE
;
338 if (!screen
->get_param(screen
, PIPE_CAP_FRAGMENT_COLOR_CLAMPED
)) {
339 st
->clamp_frag_color_in_shader
= GL_TRUE
;
342 /* For drivers which cannot do color clamping, it's better to just
343 * disable ARB_color_buffer_float in the core profile, because
344 * the clamping is deprecated there anyway. */
345 if (ctx
->API
== API_OPENGL_CORE
&&
346 (st
->clamp_frag_color_in_shader
|| st
->clamp_vert_color_in_shader
)) {
347 st
->clamp_vert_color_in_shader
= GL_FALSE
;
348 st
->clamp_frag_color_in_shader
= GL_FALSE
;
349 ctx
->Extensions
.ARB_color_buffer_float
= GL_FALSE
;
353 /* called after _mesa_create_context/_mesa_init_point, fix default user
354 * settable max point size up
356 ctx
->Point
.MaxSize
= MAX2(ctx
->Const
.MaxPointSize
,
357 ctx
->Const
.MaxPointSizeAA
);
358 /* For vertex shaders, make sure not to emit saturate when SM 3.0 is not supported */
359 ctx
->Const
.ShaderCompilerOptions
[MESA_SHADER_VERTEX
].EmitNoSat
= !st
->has_shader_model3
;
361 if (!ctx
->Extensions
.ARB_gpu_shader5
) {
362 for (i
= 0; i
< MESA_SHADER_STAGES
; i
++)
363 ctx
->Const
.ShaderCompilerOptions
[i
].EmitNoIndirectSampler
= true;
366 /* Set which shader types can be compiled at link time. */
367 st
->shader_has_one_variant
[MESA_SHADER_VERTEX
] =
368 st
->has_shareable_shaders
&&
369 !st
->clamp_vert_color_in_shader
;
371 st
->shader_has_one_variant
[MESA_SHADER_FRAGMENT
] =
372 st
->has_shareable_shaders
&&
373 !st
->clamp_frag_color_in_shader
&&
374 !st
->force_persample_in_shader
;
376 st
->shader_has_one_variant
[MESA_SHADER_TESS_CTRL
] = st
->has_shareable_shaders
;
377 st
->shader_has_one_variant
[MESA_SHADER_TESS_EVAL
] = st
->has_shareable_shaders
;
378 st
->shader_has_one_variant
[MESA_SHADER_GEOMETRY
] = st
->has_shareable_shaders
;
380 _mesa_compute_version(ctx
);
382 if (ctx
->Version
== 0) {
383 /* This can happen when a core profile was requested, but the driver
384 * does not support some features of GL 3.1 or later.
386 st_destroy_context_priv(st
);
390 _mesa_initialize_dispatch_tables(ctx
);
391 _mesa_initialize_vbo_vtxfmt(ctx
);
396 static void st_init_driver_flags(struct gl_driver_flags
*f
)
398 f
->NewArray
= ST_NEW_VERTEX_ARRAYS
;
399 f
->NewRasterizerDiscard
= ST_NEW_RASTERIZER
;
400 f
->NewUniformBuffer
= ST_NEW_UNIFORM_BUFFER
;
401 f
->NewDefaultTessLevels
= ST_NEW_TESS_STATE
;
402 f
->NewTextureBuffer
= ST_NEW_SAMPLER_VIEWS
;
403 f
->NewAtomicBuffer
= ST_NEW_ATOMIC_BUFFER
;
404 f
->NewShaderStorageBuffer
= ST_NEW_STORAGE_BUFFER
;
405 f
->NewImageUnits
= ST_NEW_IMAGE_UNITS
;
408 struct st_context
*st_create_context(gl_api api
, struct pipe_context
*pipe
,
409 const struct gl_config
*visual
,
410 struct st_context
*share
,
411 const struct st_config_options
*options
)
413 struct gl_context
*ctx
;
414 struct gl_context
*shareCtx
= share
? share
->ctx
: NULL
;
415 struct dd_function_table funcs
;
416 struct st_context
*st
;
418 memset(&funcs
, 0, sizeof(funcs
));
419 st_init_driver_functions(pipe
->screen
, &funcs
);
421 ctx
= _mesa_create_context(api
, visual
, shareCtx
, &funcs
);
426 st_init_driver_flags(&ctx
->DriverFlags
);
428 /* XXX: need a capability bit in gallium to query if the pipe
429 * driver prefers DP4 or MUL/MAD for vertex transformation.
431 if (debug_get_option_mesa_mvp_dp4())
432 ctx
->Const
.ShaderCompilerOptions
[MESA_SHADER_VERTEX
].OptimizeForAOS
= GL_TRUE
;
434 st
= st_create_context_priv(ctx
, pipe
, options
);
436 _mesa_destroy_context(ctx
);
444 * Callback to release the sampler view attached to a texture object.
445 * Called by _mesa_HashWalk().
448 destroy_tex_sampler_cb(GLuint id
, void *data
, void *userData
)
450 struct gl_texture_object
*texObj
= (struct gl_texture_object
*) data
;
451 struct st_context
*st
= (struct st_context
*) userData
;
453 st_texture_release_sampler_view(st
, st_texture_object(texObj
));
456 void st_destroy_context( struct st_context
*st
)
458 struct pipe_context
*pipe
= st
->pipe
;
459 struct gl_context
*ctx
= st
->ctx
;
462 _mesa_HashWalk(ctx
->Shared
->TexObjects
, destroy_tex_sampler_cb
, st
);
464 st_reference_fragprog(st
, &st
->fp
, NULL
);
465 st_reference_geomprog(st
, &st
->gp
, NULL
);
466 st_reference_vertprog(st
, &st
->vp
, NULL
);
467 st_reference_tesscprog(st
, &st
->tcp
, NULL
);
468 st_reference_tesseprog(st
, &st
->tep
, NULL
);
469 st_reference_compprog(st
, &st
->cp
, NULL
);
471 /* release framebuffer surfaces */
472 for (i
= 0; i
< PIPE_MAX_COLOR_BUFS
; i
++) {
473 pipe_surface_reference(&st
->state
.framebuffer
.cbufs
[i
], NULL
);
475 pipe_surface_reference(&st
->state
.framebuffer
.zsbuf
, NULL
);
476 pipe_sampler_view_reference(&st
->pixel_xfer
.pixelmap_sampler_view
, NULL
);
477 pipe_resource_reference(&st
->pixel_xfer
.pixelmap_texture
, NULL
);
479 _vbo_DestroyContext(ctx
);
481 st_destroy_program_variants(st
);
483 _mesa_free_context_data(ctx
);
485 /* This will free the st_context too, so 'st' must not be accessed
487 st_destroy_context_priv(st
);
490 pipe
->destroy( pipe
);
496 st_emit_string_marker(struct gl_context
*ctx
, const GLchar
*string
, GLsizei len
)
498 struct st_context
*st
= ctx
->st
;
499 st
->pipe
->emit_string_marker(st
->pipe
, string
, len
);
502 void st_init_driver_functions(struct pipe_screen
*screen
,
503 struct dd_function_table
*functions
)
505 _mesa_init_shader_object_functions(functions
);
506 _mesa_init_sampler_object_functions(functions
);
508 st_init_blit_functions(functions
);
509 st_init_bufferobject_functions(screen
, functions
);
510 st_init_clear_functions(functions
);
511 st_init_bitmap_functions(functions
);
512 st_init_copy_image_functions(functions
);
513 st_init_drawpixels_functions(functions
);
514 st_init_rasterpos_functions(functions
);
516 st_init_drawtex_functions(functions
);
518 st_init_eglimage_functions(functions
);
520 st_init_fbo_functions(functions
);
521 st_init_feedback_functions(functions
);
522 st_init_msaa_functions(functions
);
523 st_init_perfmon_functions(functions
);
524 st_init_program_functions(functions
);
525 st_init_query_functions(functions
);
526 st_init_cond_render_functions(functions
);
527 st_init_readpixels_functions(functions
);
528 st_init_texture_functions(functions
);
529 st_init_texture_barrier_functions(functions
);
530 st_init_flush_functions(screen
, functions
);
531 st_init_string_functions(functions
);
532 st_init_viewport_functions(functions
);
533 st_init_compute_functions(functions
);
535 st_init_xformfb_functions(functions
);
536 st_init_syncobj_functions(functions
);
538 st_init_vdpau_functions(functions
);
540 if (screen
->get_param(screen
, PIPE_CAP_STRING_MARKER
))
541 functions
->EmitStringMarker
= st_emit_string_marker
;
543 functions
->Enable
= st_Enable
;
544 functions
->UpdateState
= st_invalidate_state
;
545 functions
->QueryMemoryInfo
= st_query_memory_info
;