| /********************************************************** |
| * Copyright 2009-2015 VMware, Inc. All rights reserved. |
| * |
| * 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 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. |
| * |
| **********************************************************/ |
| |
| |
| #include "vmw_screen.h" |
| |
| #include "vmw_buffer.h" |
| #include "vmw_fence.h" |
| |
| #include "pipebuffer/pb_buffer.h" |
| #include "pipebuffer/pb_bufmgr.h" |
| |
| /** |
| * vmw_pools_cleanup - Destroy the buffer pools. |
| * |
| * @vws: pointer to a struct vmw_winsys_screen. |
| */ |
| void |
| vmw_pools_cleanup(struct vmw_winsys_screen *vws) |
| { |
| if (vws->pools.mob_shader_slab_fenced) |
| vws->pools.mob_shader_slab_fenced->destroy |
| (vws->pools.mob_shader_slab_fenced); |
| if (vws->pools.mob_shader_slab) |
| vws->pools.mob_shader_slab->destroy(vws->pools.mob_shader_slab); |
| if (vws->pools.mob_fenced) |
| vws->pools.mob_fenced->destroy(vws->pools.mob_fenced); |
| if (vws->pools.mob_cache) |
| vws->pools.mob_cache->destroy(vws->pools.mob_cache); |
| |
| if (vws->pools.query_fenced) |
| vws->pools.query_fenced->destroy(vws->pools.query_fenced); |
| if (vws->pools.query_mm) |
| vws->pools.query_mm->destroy(vws->pools.query_mm); |
| |
| if(vws->pools.gmr_fenced) |
| vws->pools.gmr_fenced->destroy(vws->pools.gmr_fenced); |
| if (vws->pools.gmr_mm) |
| vws->pools.gmr_mm->destroy(vws->pools.gmr_mm); |
| if (vws->pools.gmr_slab_fenced) |
| vws->pools.gmr_slab_fenced->destroy(vws->pools.gmr_slab_fenced); |
| if (vws->pools.gmr_slab) |
| vws->pools.gmr_slab->destroy(vws->pools.gmr_slab); |
| |
| if(vws->pools.gmr) |
| vws->pools.gmr->destroy(vws->pools.gmr); |
| } |
| |
| |
| /** |
| * vmw_query_pools_init - Create a pool of query buffers. |
| * |
| * @vws: Pointer to a struct vmw_winsys_screen. |
| * |
| * Typically this pool should be created on demand when we |
| * detect that the app will be using queries. There's nothing |
| * special with this pool other than the backing kernel buffer sizes, |
| * which are limited to 8192. |
| * If there is a performance issue with allocation and freeing of the |
| * query slabs, it should be easily fixable by allocating them out |
| * of a buffer cache. |
| */ |
| boolean |
| vmw_query_pools_init(struct vmw_winsys_screen *vws) |
| { |
| struct pb_desc desc; |
| |
| desc.alignment = 16; |
| desc.usage = ~(VMW_BUFFER_USAGE_SHARED | VMW_BUFFER_USAGE_SYNC); |
| |
| vws->pools.query_mm = pb_slab_range_manager_create(vws->pools.gmr, 16, 128, |
| VMW_QUERY_POOL_SIZE, |
| &desc); |
| if (!vws->pools.query_mm) |
| return FALSE; |
| |
| vws->pools.query_fenced = simple_fenced_bufmgr_create( |
| vws->pools.query_mm, vws->fence_ops); |
| |
| if(!vws->pools.query_fenced) |
| goto out_no_query_fenced; |
| |
| return TRUE; |
| |
| out_no_query_fenced: |
| vws->pools.query_mm->destroy(vws->pools.query_mm); |
| return FALSE; |
| } |
| |
| /** |
| * vmw_mob_pool_init - Create a pool of fenced kernel buffers. |
| * |
| * @vws: Pointer to a struct vmw_winsys_screen. |
| * |
| * Typically this pool should be created on demand when we |
| * detect that the app will be using MOB buffers. |
| */ |
| boolean |
| vmw_mob_pools_init(struct vmw_winsys_screen *vws) |
| { |
| struct pb_desc desc; |
| |
| vws->pools.mob_cache = |
| pb_cache_manager_create(vws->pools.gmr, 100000, 2.0f, |
| VMW_BUFFER_USAGE_SHARED, |
| 64 * 1024 * 1024); |
| if (!vws->pools.mob_cache) |
| return FALSE; |
| |
| vws->pools.mob_fenced = |
| simple_fenced_bufmgr_create(vws->pools.mob_cache, |
| vws->fence_ops); |
| if(!vws->pools.mob_fenced) |
| goto out_no_mob_fenced; |
| |
| desc.alignment = 64; |
| desc.usage = ~(SVGA_BUFFER_USAGE_PINNED | VMW_BUFFER_USAGE_SHARED | |
| VMW_BUFFER_USAGE_SYNC); |
| vws->pools.mob_shader_slab = |
| pb_slab_range_manager_create(vws->pools.mob_cache, |
| 64, |
| 8192, |
| 16384, |
| &desc); |
| if(!vws->pools.mob_shader_slab) |
| goto out_no_mob_shader_slab; |
| |
| vws->pools.mob_shader_slab_fenced = |
| simple_fenced_bufmgr_create(vws->pools.mob_shader_slab, |
| vws->fence_ops); |
| if(!vws->pools.mob_shader_slab_fenced) |
| goto out_no_mob_shader_slab_fenced; |
| |
| return TRUE; |
| |
| out_no_mob_shader_slab_fenced: |
| vws->pools.mob_shader_slab->destroy(vws->pools.mob_shader_slab); |
| out_no_mob_shader_slab: |
| vws->pools.mob_fenced->destroy(vws->pools.mob_fenced); |
| out_no_mob_fenced: |
| vws->pools.mob_cache->destroy(vws->pools.mob_cache); |
| return FALSE; |
| } |
| |
| /** |
| * vmw_pools_init - Create a pool of GMR buffers. |
| * |
| * @vws: Pointer to a struct vmw_winsys_screen. |
| */ |
| boolean |
| vmw_pools_init(struct vmw_winsys_screen *vws) |
| { |
| struct pb_desc desc; |
| |
| vws->pools.gmr = vmw_gmr_bufmgr_create(vws); |
| if(!vws->pools.gmr) |
| goto error; |
| |
| if ((vws->base.have_gb_objects && vws->base.have_gb_dma) || |
| !vws->base.have_gb_objects) { |
| /* |
| * A managed pool for DMA buffers. |
| */ |
| vws->pools.gmr_mm = mm_bufmgr_create(vws->pools.gmr, |
| VMW_GMR_POOL_SIZE, |
| 12 /* 4096 alignment */); |
| if(!vws->pools.gmr_mm) |
| goto error; |
| |
| vws->pools.gmr_fenced = simple_fenced_bufmgr_create |
| (vws->pools.gmr_mm, vws->fence_ops); |
| |
| #ifdef DEBUG |
| vws->pools.gmr_fenced = pb_debug_manager_create(vws->pools.gmr_fenced, |
| 4096, |
| 4096); |
| #endif |
| if(!vws->pools.gmr_fenced) |
| goto error; |
| |
| /* |
| * The slab pool allocates buffers directly from the kernel except |
| * for very small buffers which are allocated from a slab in order |
| * not to waste memory, since a kernel buffer is a minimum 4096 bytes. |
| * |
| * Here we use it only for emergency in the case our pre-allocated |
| * managed buffer pool runs out of memory. |
| */ |
| |
| desc.alignment = 64; |
| desc.usage = ~(SVGA_BUFFER_USAGE_PINNED | SVGA_BUFFER_USAGE_SHADER | |
| VMW_BUFFER_USAGE_SHARED | VMW_BUFFER_USAGE_SYNC); |
| vws->pools.gmr_slab = pb_slab_range_manager_create(vws->pools.gmr, |
| 64, |
| 8192, |
| 16384, |
| &desc); |
| if (!vws->pools.gmr_slab) |
| goto error; |
| |
| vws->pools.gmr_slab_fenced = |
| simple_fenced_bufmgr_create(vws->pools.gmr_slab, vws->fence_ops); |
| |
| if (!vws->pools.gmr_slab_fenced) |
| goto error; |
| } |
| |
| vws->pools.query_fenced = NULL; |
| vws->pools.query_mm = NULL; |
| vws->pools.mob_cache = NULL; |
| |
| if (vws->base.have_gb_objects && !vmw_mob_pools_init(vws)) |
| goto error; |
| |
| return TRUE; |
| |
| error: |
| vmw_pools_cleanup(vws); |
| return FALSE; |
| } |
