/********************************************************** * 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. * **********************************************************/ /** * @file * This file implements the SVGA interface into this winsys, defined * in drivers/svga/svga_winsys.h. * * @author Keith Whitwell * @author Jose Fonseca */ #include "svga_cmd.h" #include "svga3d_caps.h" #include "util/u_inlines.h" #include "util/u_math.h" #include "util/u_memory.h" #include "pipebuffer/pb_buffer.h" #include "pipebuffer/pb_bufmgr.h" #include "svga_winsys.h" #include "vmw_context.h" #include "vmw_screen.h" #include "vmw_surface.h" #include "vmw_buffer.h" #include "vmw_fence.h" #include "vmw_shader.h" #include "vmw_query.h" #include "svga3d_surfacedefs.h" /** * Try to get a surface backing buffer from the cache * if it's this size or smaller. */ #define VMW_TRY_CACHED_SIZE (2*1024*1024) static struct svga_winsys_buffer * vmw_svga_winsys_buffer_create(struct svga_winsys_screen *sws, unsigned alignment, unsigned usage, unsigned size) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); struct vmw_buffer_desc desc; struct pb_manager *provider; struct pb_buffer *buffer; memset(&desc, 0, sizeof desc); desc.pb_desc.alignment = alignment; desc.pb_desc.usage = usage; if (usage == SVGA_BUFFER_USAGE_PINNED) { if (vws->pools.query_fenced == NULL && !vmw_query_pools_init(vws)) return NULL; provider = vws->pools.query_fenced; } else if (usage == SVGA_BUFFER_USAGE_SHADER) { provider = vws->pools.mob_shader_slab_fenced; } else provider = vws->pools.gmr_fenced; assert(provider); buffer = provider->create_buffer(provider, size, &desc.pb_desc); if(!buffer && provider == vws->pools.gmr_fenced) { assert(provider); provider = vws->pools.gmr_slab_fenced; buffer = provider->create_buffer(provider, size, &desc.pb_desc); } if (!buffer) return NULL; return vmw_svga_winsys_buffer_wrap(buffer); } static void vmw_svga_winsys_fence_reference(struct svga_winsys_screen *sws, struct pipe_fence_handle **pdst, struct pipe_fence_handle *src) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); vmw_fence_reference(vws, pdst, src); } static int vmw_svga_winsys_fence_signalled(struct svga_winsys_screen *sws, struct pipe_fence_handle *fence, unsigned flag) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); return vmw_fence_signalled(vws, fence, flag); } static int vmw_svga_winsys_fence_finish(struct svga_winsys_screen *sws, struct pipe_fence_handle *fence, unsigned flag) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); return vmw_fence_finish(vws, fence, flag); } static struct svga_winsys_surface * vmw_svga_winsys_surface_create(struct svga_winsys_screen *sws, SVGA3dSurfaceFlags flags, SVGA3dSurfaceFormat format, unsigned usage, SVGA3dSize size, uint32 numLayers, uint32 numMipLevels, unsigned sampleCount) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); struct vmw_svga_winsys_surface *surface; struct vmw_buffer_desc desc; struct pb_manager *provider; uint32_t buffer_size; memset(&desc, 0, sizeof(desc)); surface = CALLOC_STRUCT(vmw_svga_winsys_surface); if(!surface) goto no_surface; pipe_reference_init(&surface->refcnt, 1); p_atomic_set(&surface->validated, 0); surface->screen = vws; (void) mtx_init(&surface->mutex, mtx_plain); surface->shared = !!(usage & SVGA_SURFACE_USAGE_SHARED); provider = (surface->shared) ? vws->pools.gmr : vws->pools.mob_fenced; /* * Used for the backing buffer GB surfaces, and to approximate * when to flush on non-GB hosts. */ buffer_size = svga3dsurface_get_serialized_size(format, size, numMipLevels, numLayers); if (flags & SVGA3D_SURFACE_BIND_STREAM_OUTPUT) buffer_size += sizeof(SVGA3dDXSOState); if (buffer_size > vws->ioctl.max_texture_size) { goto no_sid; } if (sws->have_gb_objects) { SVGAGuestPtr ptr = {0,0}; /* * If the backing buffer size is small enough, try to allocate a * buffer out of the buffer cache. Otherwise, let the kernel allocate * a suitable buffer for us. */ if (buffer_size < VMW_TRY_CACHED_SIZE && !surface->shared) { struct pb_buffer *pb_buf; surface->size = buffer_size; desc.pb_desc.alignment = 4096; desc.pb_desc.usage = 0; pb_buf = provider->create_buffer(provider, buffer_size, &desc.pb_desc); surface->buf = vmw_svga_winsys_buffer_wrap(pb_buf); if (surface->buf && !vmw_gmr_bufmgr_region_ptr(pb_buf, &ptr)) assert(0); } surface->sid = vmw_ioctl_gb_surface_create(vws, flags, format, usage, size, numLayers, numMipLevels, sampleCount, ptr.gmrId, surface->buf ? NULL : &desc.region); if (surface->sid == SVGA3D_INVALID_ID && surface->buf) { /* * Kernel refused to allocate a surface for us. * Perhaps something was wrong with our buffer? * This is really a guard against future new size requirements * on the backing buffers. */ vmw_svga_winsys_buffer_destroy(sws, surface->buf); surface->buf = NULL; surface->sid = vmw_ioctl_gb_surface_create(vws, flags, format, usage, size, numLayers, numMipLevels, sampleCount, 0, &desc.region); if (surface->sid == SVGA3D_INVALID_ID) goto no_sid; } /* * If the kernel created the buffer for us, wrap it into a * vmw_svga_winsys_buffer. */ if (surface->buf == NULL) { struct pb_buffer *pb_buf; surface->size = vmw_region_size(desc.region); desc.pb_desc.alignment = 4096; desc.pb_desc.usage = VMW_BUFFER_USAGE_SHARED; pb_buf = provider->create_buffer(provider, surface->size, &desc.pb_desc); surface->buf = vmw_svga_winsys_buffer_wrap(pb_buf); if (surface->buf == NULL) { vmw_ioctl_region_destroy(desc.region); vmw_ioctl_surface_destroy(vws, surface->sid); goto no_sid; } } } else { surface->sid = vmw_ioctl_surface_create(vws, flags, format, usage, size, numLayers, numMipLevels, sampleCount); if(surface->sid == SVGA3D_INVALID_ID) goto no_sid; /* Best estimate for surface size, used for early flushing. */ surface->size = buffer_size; surface->buf = NULL; } return svga_winsys_surface(surface); no_sid: if (surface->buf) vmw_svga_winsys_buffer_destroy(sws, surface->buf); FREE(surface); no_surface: return NULL; } static boolean vmw_svga_winsys_surface_can_create(struct svga_winsys_screen *sws, SVGA3dSurfaceFormat format, SVGA3dSize size, uint32 numLayers, uint32 numMipLevels) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); uint32_t buffer_size; buffer_size = svga3dsurface_get_serialized_size(format, size, numMipLevels, numLayers); if (buffer_size > vws->ioctl.max_texture_size) { return FALSE; } return TRUE; } static void vmw_svga_winsys_surface_invalidate(struct svga_winsys_screen *sws, struct svga_winsys_surface *surf) { /* this is a noop since surface invalidation is not needed for DMA path. * DMA is enabled when guest-backed surface is not enabled or * guest-backed dma is enabled. Since guest-backed dma is enabled * when guest-backed surface is enabled, that implies DMA is always enabled; * hence, surface invalidation is not needed. */ } static boolean vmw_svga_winsys_surface_is_flushed(struct svga_winsys_screen *sws, struct svga_winsys_surface *surface) { struct vmw_svga_winsys_surface *vsurf = vmw_svga_winsys_surface(surface); return (p_atomic_read(&vsurf->validated) == 0); } static void vmw_svga_winsys_surface_ref(struct svga_winsys_screen *sws, struct svga_winsys_surface **pDst, struct svga_winsys_surface *src) { struct vmw_svga_winsys_surface *d_vsurf = vmw_svga_winsys_surface(*pDst); struct vmw_svga_winsys_surface *s_vsurf = vmw_svga_winsys_surface(src); vmw_svga_winsys_surface_reference(&d_vsurf, s_vsurf); *pDst = svga_winsys_surface(d_vsurf); } static void vmw_svga_winsys_destroy(struct svga_winsys_screen *sws) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); vmw_winsys_destroy(vws); } static SVGA3dHardwareVersion vmw_svga_winsys_get_hw_version(struct svga_winsys_screen *sws) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); if (sws->have_gb_objects) return SVGA3D_HWVERSION_WS8_B1; return (SVGA3dHardwareVersion) vws->ioctl.hwversion; } static boolean vmw_svga_winsys_get_cap(struct svga_winsys_screen *sws, SVGA3dDevCapIndex index, SVGA3dDevCapResult *result) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); if (index > vws->ioctl.num_cap_3d || index >= SVGA3D_DEVCAP_MAX || !vws->ioctl.cap_3d[index].has_cap) return FALSE; *result = vws->ioctl.cap_3d[index].result; return TRUE; } struct svga_winsys_gb_shader * vmw_svga_winsys_shader_create(struct svga_winsys_screen *sws, SVGA3dShaderType type, const uint32 *bytecode, uint32 bytecodeLen) { struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); struct vmw_svga_winsys_shader *shader; void *code; shader = CALLOC_STRUCT(vmw_svga_winsys_shader); if(!shader) goto out_no_shader; pipe_reference_init(&shader->refcnt, 1); p_atomic_set(&shader->validated, 0); shader->screen = vws; shader->buf = vmw_svga_winsys_buffer_create(sws, 64, SVGA_BUFFER_USAGE_SHADER, bytecodeLen); if (!shader->buf) goto out_no_buf; code = vmw_svga_winsys_buffer_map(sws, shader->buf, PIPE_TRANSFER_WRITE); if (!code) goto out_no_buf; memcpy(code, bytecode, bytecodeLen); vmw_svga_winsys_buffer_unmap(sws, shader->buf); if (!sws->have_vgpu10) { shader->shid = vmw_ioctl_shader_create(vws, type, bytecodeLen); if (shader->shid == SVGA3D_INVALID_ID) goto out_no_shid; } return svga_winsys_shader(shader); out_no_shid: vmw_svga_winsys_buffer_destroy(sws, shader->buf); out_no_buf: FREE(shader); out_no_shader: return NULL; } void vmw_svga_winsys_shader_destroy(struct svga_winsys_screen *sws, struct svga_winsys_gb_shader *shader) { struct vmw_svga_winsys_shader *d_shader = vmw_svga_winsys_shader(shader); vmw_svga_winsys_shader_reference(&d_shader, NULL); } static void vmw_svga_winsys_stats_inc(enum svga_stats_count index) { } static void vmw_svga_winsys_stats_time_push(enum svga_stats_time index, struct svga_winsys_stats_timeframe *tf) { } static void vmw_svga_winsys_stats_time_pop() { } boolean vmw_winsys_screen_init_svga(struct vmw_winsys_screen *vws) { vws->base.destroy = vmw_svga_winsys_destroy; vws->base.get_hw_version = vmw_svga_winsys_get_hw_version; vws->base.get_cap = vmw_svga_winsys_get_cap; vws->base.context_create = vmw_svga_winsys_context_create; vws->base.surface_create = vmw_svga_winsys_surface_create; vws->base.surface_is_flushed = vmw_svga_winsys_surface_is_flushed; vws->base.surface_reference = vmw_svga_winsys_surface_ref; vws->base.surface_can_create = vmw_svga_winsys_surface_can_create; vws->base.surface_invalidate = vmw_svga_winsys_surface_invalidate; vws->base.buffer_create = vmw_svga_winsys_buffer_create; vws->base.buffer_map = vmw_svga_winsys_buffer_map; vws->base.buffer_unmap = vmw_svga_winsys_buffer_unmap; vws->base.buffer_destroy = vmw_svga_winsys_buffer_destroy; vws->base.fence_reference = vmw_svga_winsys_fence_reference; vws->base.fence_signalled = vmw_svga_winsys_fence_signalled; vws->base.shader_create = vmw_svga_winsys_shader_create; vws->base.shader_destroy = vmw_svga_winsys_shader_destroy; vws->base.fence_finish = vmw_svga_winsys_fence_finish; vws->base.query_create = vmw_svga_winsys_query_create; vws->base.query_init = vmw_svga_winsys_query_init; vws->base.query_destroy = vmw_svga_winsys_query_destroy; vws->base.query_get_result = vmw_svga_winsys_query_get_result; vws->base.stats_inc = vmw_svga_winsys_stats_inc; vws->base.stats_time_push = vmw_svga_winsys_stats_time_push; vws->base.stats_time_pop = vmw_svga_winsys_stats_time_pop; return TRUE; }