diff options
Diffstat (limited to 'src/gallium/winsys/drm')
| -rw-r--r-- | src/gallium/winsys/drm/intel/gem/intel_drm_api.c | 1 | ||||
| -rw-r--r-- | src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c | 1 | ||||
| -rw-r--r-- | src/gallium/winsys/drm/radeon/core/radeon_drm.c | 1 | ||||
| -rw-r--r-- | src/gallium/winsys/drm/vmware/core/vmw_context.c | 114 | ||||
| -rw-r--r-- | src/gallium/winsys/drm/vmware/core/vmw_screen.h | 4 | ||||
| -rw-r--r-- | src/gallium/winsys/drm/vmware/core/vmw_screen_dri.c | 86 | ||||
| -rw-r--r-- | src/gallium/winsys/drm/vmware/core/vmw_screen_pools.c | 22 |
7 files changed, 166 insertions, 63 deletions
diff --git a/src/gallium/winsys/drm/intel/gem/intel_drm_api.c b/src/gallium/winsys/drm/intel/gem/intel_drm_api.c index 450ae09b345..8c8176e44ac 100644 --- a/src/gallium/winsys/drm/intel/gem/intel_drm_api.c +++ b/src/gallium/winsys/drm/intel/gem/intel_drm_api.c @@ -196,6 +196,7 @@ destroy(struct drm_api *api) struct drm_api intel_drm_api = { .name = "i915", + .driver_name = "i915", .create_context = intel_drm_create_context, .create_screen = intel_drm_create_screen, .texture_from_shared_handle = intel_drm_texture_from_shared_handle, diff --git a/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c b/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c index 4b2c6a1025e..c9f39d815d8 100644 --- a/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c +++ b/src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c @@ -255,6 +255,7 @@ nouveau_drm_handle_from_pt(struct drm_api *api, struct pipe_screen *pscreen, struct drm_api drm_api_hooks = { .name = "nouveau", + .driver_name = "nouveau", .create_screen = nouveau_drm_create_screen, .create_context = nouveau_drm_create_context, .texture_from_shared_handle = nouveau_drm_pt_from_name, diff --git a/src/gallium/winsys/drm/radeon/core/radeon_drm.c b/src/gallium/winsys/drm/radeon/core/radeon_drm.c index 9552f0ad6a9..bff6fdc1ad0 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_drm.c +++ b/src/gallium/winsys/drm/radeon/core/radeon_drm.c @@ -270,6 +270,7 @@ static boolean radeon_local_handle_from_texture(struct drm_api *api, struct drm_api drm_api_hooks = { .name = "radeon", + .driver_name = "radeon", .create_screen = radeon_create_screen, .create_context = radeon_create_context, .texture_from_shared_handle = radeon_texture_from_shared_handle, diff --git a/src/gallium/winsys/drm/vmware/core/vmw_context.c b/src/gallium/winsys/drm/vmware/core/vmw_context.c index b6997588de4..b5fd4f5a6a1 100644 --- a/src/gallium/winsys/drm/vmware/core/vmw_context.c +++ b/src/gallium/winsys/drm/vmware/core/vmw_context.c @@ -41,9 +41,18 @@ #define VMW_COMMAND_SIZE (64*1024) #define VMW_SURFACE_RELOCS (1024) +#define VMW_REGION_RELOCS (512) #define VMW_MUST_FLUSH_STACK 8 +struct vmw_region_relocation +{ + struct SVGAGuestPtr *where; + struct pb_buffer *buffer; + /* TODO: put offset info inside where */ + uint32 offset; +}; + struct vmw_svga_winsys_context { struct svga_winsys_context base; @@ -69,10 +78,31 @@ struct vmw_svga_winsys_context uint32_t staged; uint32_t reserved; } surface; + + struct { + struct vmw_region_relocation relocs[VMW_REGION_RELOCS]; + uint32_t size; + uint32_t used; + uint32_t staged; + uint32_t reserved; + } region; struct pb_validate *validate; uint32_t last_fence; + + /** + * The amount of GMR that is referred by the commands currently batched + * in the context. + */ + uint32_t seen_regions; + + /** + * Whether this context should fail to reserve more commands, not because it + * ran out of command space, but because a substantial ammount of GMR was + * referred. + */ + boolean preemptive_flush; }; @@ -96,6 +126,19 @@ vmw_swc_flush(struct svga_winsys_context *swc, ret = pb_validate_validate(vswc->validate); assert(ret == PIPE_OK); if(ret == PIPE_OK) { + + /* Apply relocations */ + for(i = 0; i < vswc->region.used; ++i) { + struct vmw_region_relocation *reloc = &vswc->region.relocs[i]; + struct SVGAGuestPtr ptr; + + if(!vmw_gmr_bufmgr_region_ptr(reloc->buffer, &ptr)) + assert(0); + + ptr.offset += reloc->offset; + + *reloc->where = ptr; + } if (vswc->command.used) vmw_ioctl_command(vswc->vws, @@ -121,9 +164,18 @@ vmw_swc_flush(struct svga_winsys_context *swc, vswc->surface.used = 0; vswc->surface.reserved = 0; + for(i = 0; i < vswc->region.used + vswc->region.staged; ++i) { + pb_reference(&vswc->region.relocs[i].buffer, NULL); + } + + vswc->region.used = 0; + vswc->region.reserved = 0; + #ifdef DEBUG vswc->must_flush = FALSE; #endif + vswc->preemptive_flush = FALSE; + vswc->seen_regions = 0; if(pfence) *pfence = fence; @@ -151,8 +203,10 @@ vmw_swc_reserve(struct svga_winsys_context *swc, if(nr_bytes > vswc->command.size) return NULL; - if(vswc->command.used + nr_bytes > vswc->command.size || - vswc->surface.used + nr_relocs > vswc->surface.size) { + if(vswc->preemptive_flush || + vswc->command.used + nr_bytes > vswc->command.size || + vswc->surface.used + nr_relocs > vswc->surface.size || + vswc->region.used + nr_relocs > vswc->region.size) { #ifdef DEBUG vswc->must_flush = TRUE; debug_backtrace_capture(vswc->must_flush_stack, 1, @@ -163,11 +217,14 @@ vmw_swc_reserve(struct svga_winsys_context *swc, assert(vswc->command.used + nr_bytes <= vswc->command.size); assert(vswc->surface.used + nr_relocs <= vswc->surface.size); - + assert(vswc->region.used + nr_relocs <= vswc->region.size); + vswc->command.reserved = nr_bytes; vswc->surface.reserved = nr_relocs; vswc->surface.staged = 0; - + vswc->region.reserved = nr_relocs; + vswc->region.staged = 0; + return vswc->command.buffer + vswc->command.used; } @@ -206,20 +263,41 @@ vmw_swc_region_relocation(struct svga_winsys_context *swc, unsigned flags) { struct vmw_svga_winsys_context *vswc = vmw_svga_winsys_context(swc); - struct SVGAGuestPtr ptr; - struct pb_buffer *buf = vmw_pb_buffer(buffer); + struct vmw_region_relocation *reloc; enum pipe_error ret; + + assert(vswc->region.staged < vswc->region.reserved); - if(!vmw_gmr_bufmgr_region_ptr(buf, &ptr)) - assert(0); - - ptr.offset += offset; + reloc = &vswc->region.relocs[vswc->region.used + vswc->region.staged]; + reloc->where = where; + pb_reference(&reloc->buffer, vmw_pb_buffer(buffer)); + reloc->offset = offset; - *where = ptr; + ++vswc->region.staged; - ret = pb_validate_add_buffer(vswc->validate, buf, flags); + ret = pb_validate_add_buffer(vswc->validate, reloc->buffer, flags); /* TODO: Update pipebuffer to reserve buffers and not fail here */ assert(ret == PIPE_OK); + + /* + * Flush preemptively the FIFO commands to keep the GMR working set within + * the GMR pool size. + * + * This is necessary for applications like SPECviewperf that generate huge + * amounts of immediate vertex data, so that we don't pile up too much of + * that vertex data neither in the guest nor in the host. + * + * Note that in the current implementation if a region is referred twice in + * a command stream, it will be accounted twice. We could detect repeated + * regions and count only once, but there is no incentive to do that, since + * regions are typically short-lived; always referred in a single command; + * and at the worst we just flush the commands a bit sooner, which for the + * SVGA virtual device it's not a performance issue since flushing commands + * to the FIFO won't cause flushing in the host. + */ + vswc->seen_regions += reloc->buffer->base.size; + if(vswc->seen_regions >= VMW_GMR_POOL_SIZE/2) + vswc->preemptive_flush = TRUE; } @@ -238,6 +316,12 @@ vmw_swc_commit(struct svga_winsys_context *swc) vswc->surface.used += vswc->surface.staged; vswc->surface.staged = 0; vswc->surface.reserved = 0; + + assert(vswc->region.staged <= vswc->region.reserved); + assert(vswc->region.used + vswc->region.staged <= vswc->region.size); + vswc->region.used += vswc->region.staged; + vswc->region.staged = 0; + vswc->region.reserved = 0; } @@ -246,6 +330,11 @@ vmw_swc_destroy(struct svga_winsys_context *swc) { struct vmw_svga_winsys_context *vswc = vmw_svga_winsys_context(swc); unsigned i; + + for(i = 0; i < vswc->region.used; ++i) { + pb_reference(&vswc->region.relocs[i].buffer, NULL); + } + for(i = 0; i < vswc->surface.used; ++i) { p_atomic_dec(&vswc->surface.handles[i]->validated); vmw_svga_winsys_surface_reference(&vswc->surface.handles[i], NULL); @@ -279,6 +368,7 @@ vmw_svga_winsys_context_create(struct svga_winsys_screen *sws) vswc->command.size = VMW_COMMAND_SIZE; vswc->surface.size = VMW_SURFACE_RELOCS; + vswc->region.size = VMW_REGION_RELOCS; vswc->validate = pb_validate_create(); if(!vswc->validate) { diff --git a/src/gallium/winsys/drm/vmware/core/vmw_screen.h b/src/gallium/winsys/drm/vmware/core/vmw_screen.h index a875107370c..f1d69865e77 100644 --- a/src/gallium/winsys/drm/vmware/core/vmw_screen.h +++ b/src/gallium/winsys/drm/vmware/core/vmw_screen.h @@ -40,6 +40,10 @@ #include "svga_winsys.h" + +#define VMW_GMR_POOL_SIZE (16*1024*1024) + + struct pb_manager; struct vmw_region; diff --git a/src/gallium/winsys/drm/vmware/core/vmw_screen_dri.c b/src/gallium/winsys/drm/vmware/core/vmw_screen_dri.c index 4f5ccea4677..8be9d74bde3 100644 --- a/src/gallium/winsys/drm/vmware/core/vmw_screen_dri.c +++ b/src/gallium/winsys/drm/vmware/core/vmw_screen_dri.c @@ -85,6 +85,23 @@ vmw_drm_create_screen(struct drm_api *drm_api, struct pipe_screen *screen; struct dri1_create_screen_arg *dri1; + if (!arg || arg->mode == DRM_CREATE_NORMAL) { + struct dri1_api_version drm_ver; + drmVersionPtr ver; + + ver = drmGetVersion(fd); + if (ver == NULL) + return NULL; + + drm_ver.major = ver->version_major; + drm_ver.minor = ver->version_minor; + + drmFreeVersion(ver); + if (!vmw_dri1_check_version(&drm_ver, &drm_required, + &drm_compat, "vmwgfx drm driver")) + return NULL; + } + if (arg != NULL) { switch (arg->mode) { case DRM_CREATE_NORMAL: @@ -220,22 +237,19 @@ vmw_dri1_present_locked(struct pipe_context *locked_pipe, vmw_svga_winsys_surface_reference(&vsrf, NULL); } -/** - * FIXME: We'd probably want to cache these buffers in the - * screen, based on handle. - */ - -static struct pipe_buffer * -vmw_drm_buffer_from_handle(struct drm_api *drm_api, - struct pipe_screen *screen, - const char *name, - unsigned handle) +static struct pipe_texture * +vmw_drm_texture_from_handle(struct drm_api *drm_api, + struct pipe_screen *screen, + struct pipe_texture *templat, + const char *name, + unsigned stride, + unsigned handle) { struct vmw_svga_winsys_surface *vsrf; struct svga_winsys_surface *ssrf; struct vmw_winsys_screen *vws = vmw_winsys_screen(svga_winsys_screen(screen)); - struct pipe_buffer *buf; + struct pipe_texture *tex; union drm_vmw_surface_reference_arg arg; struct drm_vmw_surface_arg *req = &arg.req; struct drm_vmw_surface_create_req *rep = &arg.rep; @@ -282,43 +296,28 @@ vmw_drm_buffer_from_handle(struct drm_api *drm_api, pipe_reference_init(&vsrf->refcnt, 1); p_atomic_set(&vsrf->validated, 0); + vsrf->screen = vws; vsrf->sid = handle; ssrf = svga_winsys_surface(vsrf); - buf = svga_screen_buffer_wrap_surface(screen, rep->format, ssrf); - if (!buf) + tex = svga_screen_texture_wrap_surface(screen, templat, rep->format, ssrf); + if (!tex) vmw_svga_winsys_surface_reference(&vsrf, NULL); - return buf; + return tex; out_mip: vmw_ioctl_surface_destroy(vws, handle); return NULL; } -static struct pipe_texture * -vmw_drm_texture_from_handle(struct drm_api *drm_api, - struct pipe_screen *screen, - struct pipe_texture *templat, - const char *name, - unsigned stride, - unsigned handle) -{ - struct pipe_buffer *buffer; - buffer = vmw_drm_buffer_from_handle(drm_api, screen, name, handle); - - if (!buffer) - return NULL; - - return screen->texture_blanket(screen, templat, &stride, buffer); -} - static boolean -vmw_drm_handle_from_buffer(struct drm_api *drm_api, +vmw_drm_handle_from_texture(struct drm_api *drm_api, struct pipe_screen *screen, - struct pipe_buffer *buffer, + struct pipe_texture *texture, + unsigned *stride, unsigned *handle) { struct svga_winsys_surface *surface = - svga_screen_buffer_get_winsys_surface(buffer); + svga_screen_texture_get_winsys_surface(texture); struct vmw_svga_winsys_surface *vsrf; if (!surface) @@ -326,25 +325,13 @@ vmw_drm_handle_from_buffer(struct drm_api *drm_api, vsrf = vmw_svga_winsys_surface(surface); *handle = vsrf->sid; + *stride = pf_get_nblocksx(&texture->block, texture->width[0]) * + texture->block.size; + vmw_svga_winsys_surface_reference(&vsrf, NULL); return TRUE; } -static boolean -vmw_drm_handle_from_texture(struct drm_api *drm_api, - struct pipe_screen *screen, - struct pipe_texture *texture, - unsigned *stride, - unsigned *handle) -{ - struct pipe_buffer *buffer; - - if (!svga_screen_buffer_from_texture(texture, &buffer, stride)) - return FALSE; - - return vmw_drm_handle_from_buffer(drm_api, screen, buffer, handle); -} - static struct pipe_context* vmw_drm_create_context(struct drm_api *drm_api, struct pipe_screen *screen) @@ -359,6 +346,7 @@ static struct dri1_api dri1_api_hooks = { static struct drm_api vmw_drm_api_hooks = { .name = "vmwgfx", + .driver_name = "vmwgfx", .create_screen = vmw_drm_create_screen, .create_context = vmw_drm_create_context, .texture_from_shared_handle = vmw_drm_texture_from_handle, diff --git a/src/gallium/winsys/drm/vmware/core/vmw_screen_pools.c b/src/gallium/winsys/drm/vmware/core/vmw_screen_pools.c index b1c24b0cb6a..b9823d78575 100644 --- a/src/gallium/winsys/drm/vmware/core/vmw_screen_pools.c +++ b/src/gallium/winsys/drm/vmware/core/vmw_screen_pools.c @@ -53,14 +53,32 @@ vmw_pools_init(struct vmw_winsys_screen *vws) goto error; vws->pools.gmr_mm = mm_bufmgr_create(vws->pools.gmr, - 16*1024*1024, + VMW_GMR_POOL_SIZE, 12 /* 4096 alignment */); if(!vws->pools.gmr_mm) goto error; + /* + * GMR buffers are typically shortlived, but it's possible that at a given + * instance a buffer is mapped. So to avoid stalling we tell pipebuffer to + * forbid creation of buffers beyond half the GMR pool size, + * + * XXX: It is unclear weather we want to limit the total amount of temporary + * malloc memory used to backup unvalidated GMR buffers. On one hand it is + * preferrable to fail an allocation than exhausting the guest memory with + * temporary data, but on the other hand it is possible that a stupid + * application creates large vertex buffers and does not use them for a long + * time -- since the svga pipe driver only emits the DMA uploads when a + * buffer is used for drawing this would effectively disabling swapping GMR + * buffers to memory. So far, the preemptively flush already seems to keep + * total allocated memory within relatively small numbers, so we don't + * limit. + */ vws->pools.gmr_fenced = fenced_bufmgr_create( vws->pools.gmr_mm, - vmw_fence_ops_create(vws)); + vmw_fence_ops_create(vws), + VMW_GMR_POOL_SIZE/2, + ~0); #ifdef DEBUG vws->pools.gmr_fenced = pb_debug_manager_create(vws->pools.gmr_fenced, |