/********************************************************** * Copyright 2008-2012 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 "util/u_debug.h" #include "svga_resource.h" #include "svga_resource_buffer.h" #include "svga_resource_texture.h" #include "svga_context.h" #include "svga_screen.h" #include "svga_format.h" /** * This is the primary driver entrypoint for allocating graphics memory * (vertex/index/constant buffers, textures, etc) */ static struct pipe_resource * svga_resource_create(struct pipe_screen *screen, const struct pipe_resource *template) { struct pipe_resource *r; if (template->target == PIPE_BUFFER) r = svga_buffer_create(screen, template); else r = svga_texture_create(screen, template); if (!r) { struct svga_screen *svgascreen = svga_screen(screen); svgascreen->hud.num_failed_allocations++; } return r; } static struct pipe_resource * svga_resource_from_handle(struct pipe_screen * screen, const struct pipe_resource *template, struct winsys_handle *whandle, unsigned usage) { if (template->target == PIPE_BUFFER) return NULL; else return svga_texture_from_handle(screen, template, whandle); } /** * Check if a resource (texture, buffer) of the given size * and format can be created. * \Return TRUE if OK, FALSE if too large. */ static bool svga_can_create_resource(struct pipe_screen *screen, const struct pipe_resource *res) { struct svga_screen *svgascreen = svga_screen(screen); struct svga_winsys_screen *sws = svgascreen->sws; SVGA3dSurfaceFormat format; SVGA3dSize base_level_size; uint32 numMipLevels; uint32 arraySize; uint32 numSamples; if (res->target == PIPE_BUFFER) { format = SVGA3D_BUFFER; base_level_size.width = res->width0; base_level_size.height = 1; base_level_size.depth = 1; numMipLevels = 1; arraySize = 1; numSamples = 0; } else { if (res->target == PIPE_TEXTURE_CUBE) assert(res->array_size == 6); format = svga_translate_format(svgascreen, res->format, res->bind); if (format == SVGA3D_FORMAT_INVALID) return false; base_level_size.width = res->width0; base_level_size.height = res->height0; base_level_size.depth = res->depth0; numMipLevels = res->last_level + 1; arraySize = res->array_size; numSamples = res->nr_samples; } return sws->surface_can_create(sws, format, base_level_size, arraySize, numMipLevels, numSamples); } void svga_init_resource_functions(struct svga_context *svga) { svga->pipe.transfer_map = u_transfer_map_vtbl; svga->pipe.transfer_flush_region = u_transfer_flush_region_vtbl; svga->pipe.transfer_unmap = u_transfer_unmap_vtbl; svga->pipe.buffer_subdata = u_default_buffer_subdata; svga->pipe.texture_subdata = u_default_texture_subdata; if (svga_have_vgpu10(svga)) { svga->pipe.generate_mipmap = svga_texture_generate_mipmap; } else { svga->pipe.generate_mipmap = NULL; } } void svga_init_screen_resource_functions(struct svga_screen *is) { is->screen.resource_create = svga_resource_create; is->screen.resource_from_handle = svga_resource_from_handle; is->screen.resource_get_handle = u_resource_get_handle_vtbl; is->screen.resource_destroy = u_resource_destroy_vtbl; is->screen.can_create_resource = svga_can_create_resource; }