| /********************************************************** |
| * 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 boolean |
| 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; |
| |
| 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; |
| |
| } 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; |
| } |
| |
| return sws->surface_can_create(sws, format, base_level_size, |
| arraySize, numMipLevels); |
| } |
| |
| |
| 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; |
| } |