anv: Add support for HiZ+CCS
Reviewed-by: Rafael Antognolli <rafael.antognolli@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4100>
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@ -400,7 +400,26 @@ add_aux_surface_if_supported(struct anv_device *device,
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&image->planes[plane].surface.isl,
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&image->planes[plane].aux_surface.isl);
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assert(ok);
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image->planes[plane].aux_usage = ISL_AUX_USAGE_HIZ;
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if (!isl_surf_supports_ccs(&device->isl_dev,
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&image->planes[plane].surface.isl)) {
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image->planes[plane].aux_usage = ISL_AUX_USAGE_HIZ;
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} else if (image->usage & (VK_IMAGE_USAGE_SAMPLED_BIT |
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VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) &&
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image->samples == 1) {
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/* If it's used as an input attachment or a texture and it's
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* single-sampled (this is a requirement for HiZ+CCS write-through
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* mode), use write-through mode so that we don't need to resolve
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* before texturing. This will make depth testing a bit slower but
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* texturing faster.
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*
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* TODO: This is a heuristic trade-off; we haven't tuned it at all.
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*/
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assert(device->info.gen >= 12);
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image->planes[plane].aux_usage = ISL_AUX_USAGE_HIZ_CCS_WT;
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} else {
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assert(device->info.gen >= 12);
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image->planes[plane].aux_usage = ISL_AUX_USAGE_HIZ_CCS;
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}
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add_surface(image, &image->planes[plane].aux_surface, plane);
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} else if ((aspect & VK_IMAGE_ASPECT_ANY_COLOR_BIT_ANV) && image->samples == 1) {
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if (image->n_planes != 1) {
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@ -1410,6 +1429,13 @@ anv_layout_to_aux_state(const struct gen_device_info * const devinfo,
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aux_supported = false;
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break;
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case ISL_AUX_USAGE_HIZ_CCS:
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aux_supported = false;
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break;
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case ISL_AUX_USAGE_HIZ_CCS_WT:
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break;
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case ISL_AUX_USAGE_CCS_D:
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aux_supported = false;
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break;
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@ -1425,6 +1451,8 @@ anv_layout_to_aux_state(const struct gen_device_info * const devinfo,
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switch (aux_usage) {
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case ISL_AUX_USAGE_HIZ:
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case ISL_AUX_USAGE_HIZ_CCS:
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case ISL_AUX_USAGE_HIZ_CCS_WT:
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if (aux_supported) {
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return ISL_AUX_STATE_COMPRESSED_CLEAR;
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} else if (read_only) {
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@ -1513,7 +1541,7 @@ anv_layout_to_aux_usage(const struct gen_device_info * const devinfo,
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* depth/stencil attachment, we should enable HiZ so that we can get
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* faster depth testing.
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*/
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return ISL_AUX_USAGE_HIZ;
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return image->planes[plane].aux_usage;
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} else {
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return ISL_AUX_USAGE_NONE;
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}
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@ -633,6 +633,16 @@ transition_depth_buffer(struct anv_cmd_buffer *cmd_buffer,
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if (image->planes[depth_plane].aux_usage == ISL_AUX_USAGE_NONE)
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return;
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#if GEN_GEN == 12
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if ((initial_layout == VK_IMAGE_LAYOUT_UNDEFINED ||
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initial_layout == VK_IMAGE_LAYOUT_PREINITIALIZED) &&
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cmd_buffer->device->physical->has_implicit_ccs &&
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cmd_buffer->device->info.has_aux_map) {
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anv_image_init_aux_tt(cmd_buffer, image, VK_IMAGE_ASPECT_DEPTH_BIT,
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0, 1, 0, 1);
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}
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#endif
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const enum isl_aux_state initial_state =
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anv_layout_to_aux_state(&cmd_buffer->device->info, image,
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VK_IMAGE_ASPECT_DEPTH_BIT,
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