src/gallium/drivers/zink/zink_surface.c

   1 /*
   2  * Copyright 2018 Collabora Ltd.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #include "zink_context.h"
  25 #include "zink_resource.h"
  26 #include "zink_screen.h"
  27 #include "zink_surface.h"
  28
  29 #include "util/format/u_format.h"
  30 #include "util/u_inlines.h"
  31 #include "util/u_memory.h"
  32
  33 static struct pipe_surface *
  34 zink_create_surface(struct pipe_context *pctx,
  35                     struct pipe_resource *pres,
  36                     const struct pipe_surface *templ)
  37 {
  38    struct zink_screen *screen = zink_screen(pctx->screen);
  39    unsigned int level = templ->u.tex.level;
  40
  41    struct zink_surface *surface = CALLOC_STRUCT(zink_surface);
  42    if (!surface)
  43       return NULL;
  44
  45    pipe_resource_reference(&surface->base.texture, pres);
  46    pipe_reference_init(&surface->base.reference, 1);
  47    surface->base.context = pctx;
  48    surface->base.format = templ->format;
  49    surface->base.width = u_minify(pres->width0, level);
  50    surface->base.height = u_minify(pres->height0, level);
  51    surface->base.nr_samples = templ->nr_samples;
  52    surface->base.u.tex.level = level;
  53    surface->base.u.tex.first_layer = templ->u.tex.first_layer;
  54    surface->base.u.tex.last_layer = templ->u.tex.last_layer;
  55
  56    struct zink_resource *res = zink_resource(pres);
  57
  58    VkImageViewCreateInfo ivci = {};
  59    ivci.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
  60    ivci.image = res->image;
  61
  62    switch (pres->target) {
  63    case PIPE_TEXTURE_1D:
  64       ivci.viewType = VK_IMAGE_VIEW_TYPE_1D;
  65       break;
  66
  67    case PIPE_TEXTURE_1D_ARRAY:
  68       ivci.viewType = VK_IMAGE_VIEW_TYPE_1D_ARRAY;
  69       break;
  70
  71    case PIPE_TEXTURE_2D:
  72    case PIPE_TEXTURE_RECT:
  73       ivci.viewType = VK_IMAGE_VIEW_TYPE_2D;
  74       break;
  75
  76    case PIPE_TEXTURE_2D_ARRAY:
  77       ivci.viewType = VK_IMAGE_VIEW_TYPE_2D_ARRAY;
  78       break;
  79
  80    case PIPE_TEXTURE_CUBE:
  81       ivci.viewType = VK_IMAGE_VIEW_TYPE_CUBE;
  82       break;
  83
  84    case PIPE_TEXTURE_CUBE_ARRAY:
  85       ivci.viewType = VK_IMAGE_VIEW_TYPE_CUBE_ARRAY;
  86       break;
  87
  88    case PIPE_TEXTURE_3D:
  89       ivci.viewType = VK_IMAGE_VIEW_TYPE_2D;
  90       break;
  91
  92    default:
  93       unreachable("unsupported target");
  94    }
  95
  96    ivci.format = zink_get_format(screen, templ->format);
  97
  98    // TODO: format swizzles
  99    ivci.components.r = VK_COMPONENT_SWIZZLE_R;
 100    ivci.components.g = VK_COMPONENT_SWIZZLE_G;
 101    ivci.components.b = VK_COMPONENT_SWIZZLE_B;
 102    ivci.components.a = VK_COMPONENT_SWIZZLE_A;
 103
 104    ivci.subresourceRange.aspectMask = res->aspect;
 105    ivci.subresourceRange.baseMipLevel = templ->u.tex.level;
 106    ivci.subresourceRange.levelCount = 1;
 107    ivci.subresourceRange.baseArrayLayer = templ->u.tex.first_layer;
 108    ivci.subresourceRange.layerCount = 1 + templ->u.tex.last_layer - templ->u.tex.first_layer;
 109
 110    if (pres->target == PIPE_TEXTURE_CUBE ||
 111        pres->target == PIPE_TEXTURE_CUBE_ARRAY)
 112       ivci.subresourceRange.layerCount *= 6;
 113
 114    if (vkCreateImageView(screen->dev, &ivci, NULL,
 115                          &surface->image_view) != VK_SUCCESS) {
 116       FREE(surface);
 117       return NULL;
 118    }
 119
 120    return &surface->base;
 121 }
 122
 123 static void
 124 zink_surface_destroy(struct pipe_context *pctx,
 125                      struct pipe_surface *psurface)
 126 {
 127    struct zink_screen *screen = zink_screen(pctx->screen);
 128    struct zink_surface *surface = zink_surface(psurface);
 129    pipe_resource_reference(&psurface->texture, NULL);
 130    vkDestroyImageView(screen->dev, surface->image_view, NULL);
 131    FREE(surface);
 132 }
 133
 134 void
 135 zink_context_surface_init(struct pipe_context *context)
 136 {
 137    context->create_surface = zink_create_surface;
 138    context->surface_destroy = zink_surface_destroy;
 139 }