--- /dev/null
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * 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 (including the next
+ * paragraph) 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 "anv_private.h"
+
+/* This file contains utility functions for help debugging. They can be
+ * called from GDB or similar to help inspect images and buffers.
+ */
+
+void
+anv_dump_image_to_ppm(struct anv_device *device,
+ struct anv_image *image, unsigned miplevel,
+ unsigned array_layer, const char *filename)
+{
+ VkDevice vk_device = anv_device_to_handle(device);
+ VkResult result;
+
+ VkExtent2D extent = { image->extent.width, image->extent.height };
+ for (unsigned i = 0; i < miplevel; i++) {
+ extent.width = MAX2(1, extent.width / 2);
+ extent.height = MAX2(1, extent.height / 2);
+ }
+
+ VkImage copy_image;
+ result = anv_CreateImage(vk_device,
+ &(VkImageCreateInfo) {
+ .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
+ .imageType = VK_IMAGE_TYPE_2D,
+ .format = VK_FORMAT_R8G8B8A8_UNORM,
+ .extent = (VkExtent3D) { extent.width, extent.height, 1 },
+ .mipLevels = 1,
+ .arraySize = 1,
+ .samples = 1,
+ .tiling = VK_IMAGE_TILING_LINEAR,
+ .usage = VK_IMAGE_USAGE_TRANSFER_DESTINATION_BIT,
+ .flags = 0,
+ }, ©_image);
+ assert(result == VK_SUCCESS);
+
+ VkMemoryRequirements reqs;
+ result = anv_GetImageMemoryRequirements(vk_device, copy_image, &reqs);
+
+ VkDeviceMemory memory;
+ result = anv_AllocMemory(vk_device,
+ &(VkMemoryAllocInfo) {
+ .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOC_INFO,
+ .allocationSize = reqs.size,
+ .memoryTypeIndex = 0,
+ }, &memory);
+ assert(result == VK_SUCCESS);
+
+ result = anv_BindImageMemory(vk_device, copy_image, memory, 0);
+ assert(result == VK_SUCCESS);
+
+ VkCmdPool cmdPool;
+ result = anv_CreateCommandPool(vk_device,
+ &(VkCmdPoolCreateInfo) {
+ .sType = VK_STRUCTURE_TYPE_CMD_POOL_CREATE_INFO,
+ .queueFamilyIndex = 0,
+ .flags = 0,
+ }, &cmdPool);
+ assert(result == VK_SUCCESS);
+
+ VkCmdBuffer cmd;
+ result = anv_CreateCommandBuffer(vk_device,
+ &(VkCmdBufferCreateInfo) {
+ .sType = VK_STRUCTURE_TYPE_CMD_BUFFER_CREATE_INFO,
+ .cmdPool = cmdPool,
+ .level = VK_CMD_BUFFER_LEVEL_PRIMARY,
+ .flags = 0,
+ }, &cmd);
+ assert(result == VK_SUCCESS);
+
+ result = anv_BeginCommandBuffer(cmd,
+ &(VkCmdBufferBeginInfo) {
+ .sType = VK_STRUCTURE_TYPE_CMD_BUFFER_BEGIN_INFO,
+ .flags = VK_CMD_BUFFER_OPTIMIZE_ONE_TIME_SUBMIT_BIT,
+ });
+ assert(result == VK_SUCCESS);
+
+ anv_CmdBlitImage(cmd,
+ anv_image_to_handle(image), VK_IMAGE_LAYOUT_GENERAL,
+ copy_image, VK_IMAGE_LAYOUT_GENERAL, 1,
+ &(VkImageBlit) {
+ .srcSubresource = {
+ .aspect = VK_IMAGE_ASPECT_COLOR,
+ .mipLevel = miplevel,
+ .arrayLayer = array_layer,
+ .arraySize = 1,
+ },
+ .srcOffset = (VkOffset3D) { 0, 0, 0 },
+ .srcExtent = (VkExtent3D) {
+ extent.width,
+ extent.height,
+ 1
+ },
+ .destSubresource = {
+ .aspect = VK_IMAGE_ASPECT_COLOR,
+ .mipLevel = 0,
+ .arrayLayer = 0,
+ .arraySize = 1,
+ },
+ .destOffset = (VkOffset3D) { 0, 0, 0 },
+ .destExtent = (VkExtent3D) {
+ extent.width,
+ extent.height,
+ 1
+ },
+ }, VK_TEX_FILTER_NEAREST);
+
+ ANV_CALL(CmdPipelineBarrier)(cmd,
+ VK_PIPELINE_STAGE_TRANSFER_BIT,
+ VK_PIPELINE_STAGE_TRANSFER_BIT,
+ true, 1,
+ (const void * []) { &(VkImageMemoryBarrier) {
+ .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
+ .outputMask = VK_MEMORY_OUTPUT_TRANSFER_BIT,
+ .inputMask = VK_MEMORY_INPUT_HOST_READ_BIT,
+ .oldLayout = VK_IMAGE_LAYOUT_GENERAL,
+ .newLayout = VK_IMAGE_LAYOUT_GENERAL,
+ .srcQueueFamilyIndex = 0,
+ .destQueueFamilyIndex = 0,
+ .image = copy_image,
+ .subresourceRange = (VkImageSubresourceRange) {
+ .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
+ .baseMipLevel = 0,
+ .mipLevels = 1,
+ .baseArrayLayer = 0,
+ .arraySize = 1,
+ },
+ }});
+
+ result = anv_EndCommandBuffer(cmd);
+ assert(result == VK_SUCCESS);
+
+ VkFence fence;
+ result = anv_CreateFence(vk_device,
+ &(VkFenceCreateInfo) {
+ .sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
+ .flags = 0,
+ }, &fence);
+ assert(result == VK_SUCCESS);
+
+ result = anv_QueueSubmit(anv_queue_to_handle(&device->queue),
+ 1, &cmd, fence);
+ assert(result == VK_SUCCESS);
+
+ result = anv_WaitForFences(vk_device, 1, &fence, true, UINT64_MAX);
+ assert(result == VK_SUCCESS);
+
+ anv_DestroyFence(vk_device, fence);
+ anv_DestroyCommandPool(vk_device, cmdPool);
+
+ uint8_t *map;
+ result = anv_MapMemory(vk_device, memory, 0, reqs.size, 0, (void **)&map);
+ assert(result == VK_SUCCESS);
+
+ VkSubresourceLayout layout;
+ result = anv_GetImageSubresourceLayout(vk_device, copy_image,
+ &(VkImageSubresource) {
+ .aspect = VK_IMAGE_ASPECT_COLOR,
+ .mipLevel = 0,
+ .arrayLayer = 0,
+ }, &layout);
+ assert(result == VK_SUCCESS);
+
+ map += layout.offset;
+
+ /* Now we can finally write the PPM file */
+ FILE *file = fopen(filename, "wb");
+ assert(file);
+
+ fprintf(file, "P6\n%d %d\n255\n", extent.width, extent.height);
+ for (unsigned y = 0; y < extent.height; y++) {
+ uint8_t row[extent.width * 3];
+ for (unsigned x = 0; x < extent.width; x++) {
+ row[x * 3 + 0] = map[x * 4 + 0];
+ row[x * 3 + 1] = map[x * 4 + 1];
+ row[x * 3 + 2] = map[x * 4 + 2];
+ }
+ fwrite(row, 3, extent.width, file);
+
+ map += layout.rowPitch;
+ }
+ fclose(file);
+
+ anv_UnmapMemory(vk_device, memory);
+ anv_DestroyImage(vk_device, copy_image);
+ anv_FreeMemory(vk_device, memory);
+}