diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/i915/Makefile | 1 | ||||
| l--------- | src/mesa/drivers/dri/i915/intel_syncobj.c | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/Makefile | 1 | ||||
| l--------- | src/mesa/drivers/dri/i965/intel_syncobj.c | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_context.c | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_context.h | 8 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_extensions.c | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_syncobj.c | 132 |
8 files changed, 147 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915/Makefile b/src/mesa/drivers/dri/i915/Makefile index beaf9a4b129..9d049dea8fe 100644 --- a/src/mesa/drivers/dri/i915/Makefile +++ b/src/mesa/drivers/dri/i915/Makefile @@ -51,6 +51,7 @@ DRIVER_SOURCES = \ intel_screen.c \ intel_span.c \ intel_state.c \ + intel_syncobj.c \ intel_tris.c \ intel_fbo.c diff --git a/src/mesa/drivers/dri/i915/intel_syncobj.c b/src/mesa/drivers/dri/i915/intel_syncobj.c new file mode 120000 index 00000000000..0b2e56ab246 --- /dev/null +++ b/src/mesa/drivers/dri/i915/intel_syncobj.c @@ -0,0 +1 @@ +../intel/intel_syncobj.c
\ No newline at end of file diff --git a/src/mesa/drivers/dri/i965/Makefile b/src/mesa/drivers/dri/i965/Makefile index 128afb56866..6e9a9a29a39 100644 --- a/src/mesa/drivers/dri/i965/Makefile +++ b/src/mesa/drivers/dri/i965/Makefile @@ -26,6 +26,7 @@ DRIVER_SOURCES = \ intel_pixel_read.c \ intel_state.c \ intel_swapbuffers.c \ + intel_syncobj.c \ intel_tex.c \ intel_tex_copy.c \ intel_tex_format.c \ diff --git a/src/mesa/drivers/dri/i965/intel_syncobj.c b/src/mesa/drivers/dri/i965/intel_syncobj.c new file mode 120000 index 00000000000..0b2e56ab246 --- /dev/null +++ b/src/mesa/drivers/dri/i965/intel_syncobj.c @@ -0,0 +1 @@ +../intel/intel_syncobj.c
\ No newline at end of file diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c index ec96747f05c..89f99f7ffdb 100644 --- a/src/mesa/drivers/dri/intel/intel_context.c +++ b/src/mesa/drivers/dri/intel/intel_context.c @@ -598,6 +598,7 @@ intelInitDriverFunctions(struct dd_function_table *functions) intelInitBufferFuncs(functions); intelInitPixelFuncs(functions); intelInitBufferObjectFuncs(functions); + intel_init_syncobj_functions(functions); } diff --git a/src/mesa/drivers/dri/intel/intel_context.h b/src/mesa/drivers/dri/intel/intel_context.h index 0d9db5eb1da..03e7cf39d68 100644 --- a/src/mesa/drivers/dri/intel/intel_context.h +++ b/src/mesa/drivers/dri/intel/intel_context.h @@ -80,6 +80,12 @@ extern void intelFallback(struct intel_context *intel, GLuint bit, #define INTEL_MAX_FIXUP 64 +struct intel_sync_object { + struct gl_sync_object Base; + + /** Batch associated with this sync object */ + drm_intel_bo *bo; +}; /** * intel_context is derived from Mesa's context class: GLcontext. @@ -470,6 +476,8 @@ extern void intelFlush(GLcontext * ctx); extern void intelInitDriverFunctions(struct dd_function_table *functions); +void intel_init_syncobj_functions(struct dd_function_table *functions); + /* ================================================================ * intel_state.c: diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c b/src/mesa/drivers/dri/intel/intel_extensions.c index 7aee70f0a8f..2e61c556d85 100644 --- a/src/mesa/drivers/dri/intel/intel_extensions.c +++ b/src/mesa/drivers/dri/intel/intel_extensions.c @@ -36,6 +36,7 @@ #define need_GL_ARB_occlusion_query #define need_GL_ARB_point_parameters #define need_GL_ARB_shader_objects +#define need_GL_ARB_sync #define need_GL_ARB_vertex_array_object #define need_GL_ARB_vertex_program #define need_GL_ARB_vertex_shader @@ -77,6 +78,7 @@ static const struct dri_extension card_extensions[] = { { "GL_ARB_multitexture", NULL }, { "GL_ARB_point_parameters", GL_ARB_point_parameters_functions }, { "GL_ARB_point_sprite", NULL }, + { "GL_ARB_sync", GL_ARB_sync_functions }, { "GL_ARB_texture_border_clamp", NULL }, { "GL_ARB_texture_cube_map", NULL }, { "GL_ARB_texture_env_add", NULL }, diff --git a/src/mesa/drivers/dri/intel/intel_syncobj.c b/src/mesa/drivers/dri/intel/intel_syncobj.c new file mode 100644 index 00000000000..d447b6a0fa2 --- /dev/null +++ b/src/mesa/drivers/dri/intel/intel_syncobj.c @@ -0,0 +1,132 @@ +/* + * Copyright © 2008 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Eric Anholt <[email protected]> + * + */ + +/** @file intel_syncobj.c + * + * Support for ARB_sync + * + * ARB_sync is implemented by flushing the current batchbuffer and keeping a + * reference on it. We can then check for completion or wait for compeltion + * using the normal buffer object mechanisms. This does mean that if an + * application is using many sync objects, it will emit small batchbuffers + * which may end up being a significant overhead. In other tests of removing + * gratuitous batchbuffer syncs in Mesa, it hasn't appeared to be a significant + * performance bottleneck, though. + */ + +#include "main/simple_list.h" +#include "main/imports.h" + +#include "intel_context.h" +#include "intel_batchbuffer.h" +#include "intel_reg.h" + +static struct gl_sync_object * +intel_new_sync_object(GLcontext *ctx, GLuint id) +{ + struct intel_sync_object *sync; + + sync = _mesa_calloc(sizeof(struct intel_sync_object)); + + return &sync->Base; +} + +static void +intel_delete_sync_object(GLcontext *ctx, struct gl_sync_object *s) +{ + struct intel_sync_object *sync = (struct intel_sync_object *)s; + + drm_intel_bo_unreference(sync->bo); + _mesa_free(sync); +} + +static void +intel_fence_sync(GLcontext *ctx, struct gl_sync_object *s, + GLenum condition, GLbitfield flags) +{ + struct intel_context *intel = intel_context(ctx); + struct intel_sync_object *sync = (struct intel_sync_object *)s; + + assert(condition == GL_SYNC_GPU_COMMANDS_COMPLETE); + intel_batchbuffer_emit_mi_flush(intel->batch); + + sync->bo = intel->batch->buf; + drm_intel_bo_reference(sync->bo); + + intelFlush(ctx); +} + +/* We ignore the user-supplied timeout. This is weaselly -- we're allowed to + * round to an implementation-dependent accuracy, and right now our + * implementation "rounds" to the wait-forever value. + * + * The fix would be a new kernel function to do the GTT transition with a + * timeout. + */ +static void intel_client_wait_sync(GLcontext *ctx, struct gl_sync_object *s, + GLbitfield flags, GLuint64 timeout) +{ + struct intel_sync_object *sync = (struct intel_sync_object *)s; + + if (sync->bo) { + drm_intel_bo_wait_rendering(sync->bo); + s->Status = 1; + drm_intel_bo_unreference(sync->bo); + sync->bo = NULL; + } +} + +/* We have nothing to do for WaitSync. Our GL command stream is sequential, + * so given that the sync object has already flushed the batchbuffer, + * any batchbuffers coming after this waitsync will naturally not occur until + * the previous one is done. + */ +static void intel_server_wait_sync(GLcontext *ctx, struct gl_sync_object *s, + GLbitfield flags, GLuint64 timeout) +{ +} + +static void intel_check_sync(GLcontext *ctx, struct gl_sync_object *s) +{ + struct intel_sync_object *sync = (struct intel_sync_object *)s; + + if (sync->bo && drm_intel_bo_busy(sync->bo)) { + drm_intel_bo_unreference(sync->bo); + sync->bo = NULL; + s->Status = 1; + } +} + +void intel_init_syncobj_functions(struct dd_function_table *functions) +{ + functions->NewSyncObject = intel_new_sync_object; + functions->DeleteSyncObject = intel_delete_sync_object; + functions->FenceSync = intel_fence_sync; + functions->CheckSync = intel_check_sync; + functions->ClientWaitSync = intel_client_wait_sync; + functions->ServerWaitSync = intel_server_wait_sync; +} |