1 /********************************************************** 2 * Copyright 2008-2012 VMware, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person 5 * obtaining a copy of this software and associated documentation 6 * files (the "Software"), to deal in the Software without 7 * restriction, including without limitation the rights to use, copy, 8 * modify, merge, publish, distribute, sublicense, and/or sell copies 9 * of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be 13 * included in all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 * 24 **********************************************************/ 25 26 #include "util/u_debug.h" 27 28 #include "svga_resource.h" 29 #include "svga_resource_buffer.h" 30 #include "svga_resource_texture.h" 31 #include "svga_context.h" 32 #include "svga_screen.h" 33 #include "svga_format.h" 34 35 36 /** 37 * This is the primary driver entrypoint for allocating graphics memory 38 * (vertex/index/constant buffers, textures, etc) 39 */ 40 static struct pipe_resource * 41 svga_resource_create(struct pipe_screen *screen, 42 const struct pipe_resource *template) 43 { 44 struct pipe_resource *r; 45 46 if (template->target == PIPE_BUFFER) 47 r = svga_buffer_create(screen, template); 48 else 49 r = svga_texture_create(screen, template); 50 51 if (!r) { 52 struct svga_screen *svgascreen = svga_screen(screen); 53 svgascreen->hud.num_failed_allocations++; 54 } 55 56 return r; 57 } 58 59 60 static struct pipe_resource * 61 svga_resource_from_handle(struct pipe_screen * screen, 62 const struct pipe_resource *template, 63 struct winsys_handle *whandle, 64 unsigned usage) 65 { 66 if (template->target == PIPE_BUFFER) 67 return NULL; 68 else 69 return svga_texture_from_handle(screen, template, whandle); 70 } 71 72 73 /** 74 * Check if a resource (texture, buffer) of the given size 75 * and format can be created. 76 * \Return TRUE if OK, FALSE if too large. 77 */ 78 static boolean 79 svga_can_create_resource(struct pipe_screen *screen, 80 const struct pipe_resource *res) 81 { 82 struct svga_screen *svgascreen = svga_screen(screen); 83 struct svga_winsys_screen *sws = svgascreen->sws; 84 SVGA3dSurfaceFormat format; 85 SVGA3dSize base_level_size; 86 uint32 numMipLevels; 87 uint32 arraySize; 88 89 if (res->target == PIPE_BUFFER) { 90 format = SVGA3D_BUFFER; 91 base_level_size.width = res->width0; 92 base_level_size.height = 1; 93 base_level_size.depth = 1; 94 numMipLevels = 1; 95 arraySize = 1; 96 97 } else { 98 if (res->target == PIPE_TEXTURE_CUBE) 99 assert(res->array_size == 6); 100 101 format = svga_translate_format(svgascreen, res->format, res->bind); 102 if (format == SVGA3D_FORMAT_INVALID) 103 return FALSE; 104 105 base_level_size.width = res->width0; 106 base_level_size.height = res->height0; 107 base_level_size.depth = res->depth0; 108 numMipLevels = res->last_level + 1; 109 arraySize = res->array_size; 110 } 111 112 return sws->surface_can_create(sws, format, base_level_size, 113 arraySize, numMipLevels); 114 } 115 116 117 void 118 svga_init_resource_functions(struct svga_context *svga) 119 { 120 svga->pipe.transfer_map = u_transfer_map_vtbl; 121 svga->pipe.transfer_flush_region = u_transfer_flush_region_vtbl; 122 svga->pipe.transfer_unmap = u_transfer_unmap_vtbl; 123 svga->pipe.buffer_subdata = u_default_buffer_subdata; 124 svga->pipe.texture_subdata = u_default_texture_subdata; 125 126 if (svga_have_vgpu10(svga)) { 127 svga->pipe.generate_mipmap = svga_texture_generate_mipmap; 128 } else { 129 svga->pipe.generate_mipmap = NULL; 130 } 131 } 132 133 void 134 svga_init_screen_resource_functions(struct svga_screen *is) 135 { 136 is->screen.resource_create = svga_resource_create; 137 is->screen.resource_from_handle = svga_resource_from_handle; 138 is->screen.resource_get_handle = u_resource_get_handle_vtbl; 139 is->screen.resource_destroy = u_resource_destroy_vtbl; 140 is->screen.can_create_resource = svga_can_create_resource; 141 } 142