radv: Implement VK_KHR_imageless_framebuffer.

Reviewed-by: Samuel Pitoiset <[email protected]>

2 files changed, 38 insertions, 10 deletions

diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index e46c3ee9c47..645e0155510 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -3008,6 +3008,13 @@ radv_cmd_state_setup_attachments(struct radv_cmd_buffer *cmd_buffer,
 				 const VkRenderPassBeginInfo *info)
 {
 	struct radv_cmd_state *state = &cmd_buffer->state;
+	const struct VkRenderPassAttachmentBeginInfoKHR *attachment_info = NULL;
+
+	if (info) {
+		attachment_info = vk_find_struct_const(info->pNext,
+		                                       RENDER_PASS_ATTACHMENT_BEGIN_INFO_KHR);
+	}
+
 
 	if (pass->attachment_count == 0) {
 		state->attachments = NULL;
@@ -3058,7 +3065,14 @@ radv_cmd_state_setup_attachments(struct radv_cmd_buffer *cmd_buffer,
 		state->attachments[i].current_layout = att->initial_layout;
 		state->attachments[i].sample_location.count = 0;
 
-		struct radv_image_view *iview = state->framebuffer->attachments[i];
+		struct radv_image_view *iview;
+		if (attachment_info && attachment_info->attachmentCount > i) {
+			iview = radv_image_view_from_handle(attachment_info->pAttachments[i]);
+		} else {
+			iview = state->framebuffer->attachments[i];
+		}
+
+		state->attachments[i].iview = iview;
 		if (iview->aspect_mask & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
 			radv_initialise_ds_surface(cmd_buffer->device, &state->attachments[i].ds, iview);
 		} else {
diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index 0d4b25c6969..280b297f4df 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -4806,11 +4806,15 @@ VkResult radv_CreateFramebuffer(
 {
 	RADV_FROM_HANDLE(radv_device, device, _device);
 	struct radv_framebuffer *framebuffer;
+	const VkFramebufferAttachmentsCreateInfoKHR *imageless_create_info =
+		vk_find_struct_const(pCreateInfo->pNext,
+			FRAMEBUFFER_ATTACHMENTS_CREATE_INFO_KHR);
 
 	assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO);
 
-	size_t size = sizeof(*framebuffer) +
-		sizeof(struct radv_image_view*) * pCreateInfo->attachmentCount;
+	size_t size = sizeof(*framebuffer);
+	if (!imageless_create_info)
+		size += sizeof(struct radv_image_view*) * pCreateInfo->attachmentCount;
 	framebuffer = vk_alloc2(&device->alloc, pAllocator, size, 8,
 				  VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
 	if (framebuffer == NULL)
@@ -4820,13 +4824,23 @@ VkResult radv_CreateFramebuffer(
 	framebuffer->width = pCreateInfo->width;
 	framebuffer->height = pCreateInfo->height;
 	framebuffer->layers = pCreateInfo->layers;
-	for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
-		VkImageView _iview = pCreateInfo->pAttachments[i];
-		struct radv_image_view *iview = radv_image_view_from_handle(_iview);
-		framebuffer->attachments[i] = iview;
-		framebuffer->width = MIN2(framebuffer->width, iview->extent.width);
-		framebuffer->height = MIN2(framebuffer->height, iview->extent.height);
-		framebuffer->layers = MIN2(framebuffer->layers, radv_surface_max_layer_count(iview));
+	if (imageless_create_info) {
+		for (unsigned i = 0; i < imageless_create_info->attachmentImageInfoCount; ++i) {
+			const VkFramebufferAttachmentImageInfoKHR *attachment =
+				imageless_create_info->pAttachmentImageInfos + i;
+			framebuffer->width = MIN2(framebuffer->width, attachment->width);
+			framebuffer->height = MIN2(framebuffer->height, attachment->height);
+			framebuffer->layers = MIN2(framebuffer->layers, attachment->layerCount);
+		}
+	} else {
+		for (uint32_t i = 0; i < pCreateInfo->attachmentCount; i++) {
+			VkImageView _iview = pCreateInfo->pAttachments[i];
+			struct radv_image_view *iview = radv_image_view_from_handle(_iview);
+			framebuffer->attachments[i] = iview;
+			framebuffer->width = MIN2(framebuffer->width, iview->extent.width);
+			framebuffer->height = MIN2(framebuffer->height, iview->extent.height);
+			framebuffer->layers = MIN2(framebuffer->layers, radv_surface_max_layer_count(iview));
+		}
 	}
 
 	*pFramebuffer = radv_framebuffer_to_handle(framebuffer);