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vk: Teach vkCreateImage about layout of 3D surfaces

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Calling vkCreateImage() with VK_IMAGE_TYPE_3D now succeeds and computes
the surface layout correctly. However, 3D images do not yet work for
many other Vulkan entrypoints.
This commit is contained in:
Chad Versace 2015-09-14 11:04:08 -07:00
parent e01d5a0471
commit eed74e3a02
1 changed files with 17 additions and 2 deletions
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19
src/vulkan/anv_image.c
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@ -197,7 +197,21 @@ anv_image_make_surface(const struct anv_image_create_info *create_info,
break;
}
case VK_IMAGE_TYPE_3D:
anv_finishme("VK_IMAGE_TYPE_3D");
/* The layout of 3D surfaces is described by the Broadwell PRM >>
* Volume 5: Memory Views >> Common Surface Formats >> Surface Layout >>
* 3D Surfaces.
*/
for (uint32_t l = 0; l < levels; ++l) {
const uint32_t w_l = align_u32(anv_minify(extent->width, l), i);
const uint32_t h_l = align_u32(anv_minify(extent->height, l), j);
const uint32_t d_l = anv_minify(extent->depth, l);
const uint32_t max_layers_horiz = MIN(d_l, 1u << l);
const uint32_t max_layers_vert = align_u32(d_l, 1u << l) / (1u << l);
mt_width = MAX(mt_width, w_l * max_layers_horiz);
mt_height += h_l * max_layers_vert;
}
break;
default:
unreachable(!"bad VkImageType");
@ -254,7 +268,8 @@ anv_image_create(VkDevice _device,
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO);
/* XXX: We don't handle any of these */
anv_assert(pCreateInfo->imageType == VK_IMAGE_TYPE_2D);
anv_assert(pCreateInfo->imageType == VK_IMAGE_TYPE_2D ||
pCreateInfo->imageType == VK_IMAGE_TYPE_3D);
anv_assert(pCreateInfo->mipLevels > 0);
anv_assert(pCreateInfo->arraySize > 0);
anv_assert(pCreateInfo->samples == 1);