src/amd/vulkan/radv_meta.c - third_party/mesa - Git at Google

 /*
  * Copyright © 2016 Red Hat
  * based on intel anv code:
  * 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 "radv_meta.h"

 #include <fcntl.h>
 #include <limits.h>
 #include <pwd.h>
 #include <sys/stat.h>

 void
 radv_meta_save(struct radv_meta_saved_state *state,
 	       const struct radv_cmd_buffer *cmd_buffer,
 	       uint32_t dynamic_mask)
 {
 	state->old_pipeline = cmd_buffer->state.pipeline;
 	state->old_descriptor_set0 = cmd_buffer->state.descriptors[0];
 	memcpy(state->old_vertex_bindings, cmd_buffer->state.vertex_bindings,
 	       sizeof(state->old_vertex_bindings));

 	state->dynamic_mask = dynamic_mask;
 	radv_dynamic_state_copy(&state->dynamic, &cmd_buffer->state.dynamic,
 				dynamic_mask);

 	memcpy(state->push_constants, cmd_buffer->push_constants, MAX_PUSH_CONSTANTS_SIZE);
 }

 void
 radv_meta_restore(const struct radv_meta_saved_state *state,
 		  struct radv_cmd_buffer *cmd_buffer)
 {
 	radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer), VK_PIPELINE_BIND_POINT_GRAPHICS,
 			     radv_pipeline_to_handle(state->old_pipeline));

 	cmd_buffer->state.descriptors[0] = state->old_descriptor_set0;
 	memcpy(cmd_buffer->state.vertex_bindings, state->old_vertex_bindings,
 	       sizeof(state->old_vertex_bindings));

 	cmd_buffer->state.vb_dirty |= (1 << RADV_META_VERTEX_BINDING_COUNT) - 1;
 	cmd_buffer->state.dirty |= RADV_CMD_DIRTY_PIPELINE;

 	radv_dynamic_state_copy(&cmd_buffer->state.dynamic, &state->dynamic,
 				state->dynamic_mask);
 	cmd_buffer->state.dirty |= state->dynamic_mask;

 	memcpy(cmd_buffer->push_constants, state->push_constants, MAX_PUSH_CONSTANTS_SIZE);
 	cmd_buffer->push_constant_stages |= VK_SHADER_STAGE_ALL_GRAPHICS | VK_SHADER_STAGE_COMPUTE_BIT;
 }

 void
 radv_meta_save_pass(struct radv_meta_saved_pass_state *state,
                     const struct radv_cmd_buffer *cmd_buffer)
 {
 	state->pass = cmd_buffer->state.pass;
 	state->subpass = cmd_buffer->state.subpass;
 	state->framebuffer = cmd_buffer->state.framebuffer;
 	state->attachments = cmd_buffer->state.attachments;
 	state->render_area = cmd_buffer->state.render_area;
 }

 void
 radv_meta_restore_pass(const struct radv_meta_saved_pass_state *state,
                        struct radv_cmd_buffer *cmd_buffer)
 {
 	cmd_buffer->state.pass = state->pass;
 	cmd_buffer->state.subpass = state->subpass;
 	cmd_buffer->state.framebuffer = state->framebuffer;
 	cmd_buffer->state.attachments = state->attachments;
 	cmd_buffer->state.render_area = state->render_area;
 	if (state->subpass)
 		radv_emit_framebuffer_state(cmd_buffer);
 }

 void
 radv_meta_save_compute(struct radv_meta_saved_compute_state *state,
                        const struct radv_cmd_buffer *cmd_buffer,
                        unsigned push_constant_size)
 {
 	state->old_pipeline = cmd_buffer->state.compute_pipeline;
 	state->old_descriptor_set0 = cmd_buffer->state.descriptors[0];

 	if (push_constant_size)
 		memcpy(state->push_constants, cmd_buffer->push_constants, push_constant_size);
 }

 void
 radv_meta_restore_compute(const struct radv_meta_saved_compute_state *state,
                           struct radv_cmd_buffer *cmd_buffer,
                           unsigned push_constant_size)
 {
 	radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer), VK_PIPELINE_BIND_POINT_COMPUTE,
 			     radv_pipeline_to_handle(state->old_pipeline));

 	cmd_buffer->state.descriptors[0] = state->old_descriptor_set0;

 	if (push_constant_size) {
 		memcpy(cmd_buffer->push_constants, state->push_constants, push_constant_size);
 		cmd_buffer->push_constant_stages |= VK_SHADER_STAGE_COMPUTE_BIT;
 	}
 }

 VkImageViewType
 radv_meta_get_view_type(const struct radv_image *image)
 {
 	switch (image->type) {
 	case VK_IMAGE_TYPE_1D: return VK_IMAGE_VIEW_TYPE_1D;
 	case VK_IMAGE_TYPE_2D: return VK_IMAGE_VIEW_TYPE_2D;
 	case VK_IMAGE_TYPE_3D: return VK_IMAGE_VIEW_TYPE_3D;
 	default:
 		unreachable("bad VkImageViewType");
 	}
 }

 /**
  * When creating a destination VkImageView, this function provides the needed
  * VkImageViewCreateInfo::subresourceRange::baseArrayLayer.
  */
 uint32_t
 radv_meta_get_iview_layer(const struct radv_image *dest_image,
 			  const VkImageSubresourceLayers *dest_subresource,
 			  const VkOffset3D *dest_offset)
 {
 	switch (dest_image->type) {
 	case VK_IMAGE_TYPE_1D:
 	case VK_IMAGE_TYPE_2D:
 		return dest_subresource->baseArrayLayer;
 	case VK_IMAGE_TYPE_3D:
 		/* HACK: Vulkan does not allow attaching a 3D image to a framebuffer,
 		 * but meta does it anyway. When doing so, we translate the
 		 * destination's z offset into an array offset.
 		 */
 		return dest_offset->z;
 	default:
 		assert(!"bad VkImageType");
 		return 0;
 	}
 }

 static void *
 meta_alloc(void* _device, size_t size, size_t alignment,
            VkSystemAllocationScope allocationScope)
 {
 	struct radv_device *device = _device;
 	return device->alloc.pfnAllocation(device->alloc.pUserData, size, alignment,
 					   VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
 }

 static void *
 meta_realloc(void* _device, void *original, size_t size, size_t alignment,
              VkSystemAllocationScope allocationScope)
 {
 	struct radv_device *device = _device;
 	return device->alloc.pfnReallocation(device->alloc.pUserData, original,
 					     size, alignment,
 					     VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
 }

 static void
 meta_free(void* _device, void *data)
 {
 	struct radv_device *device = _device;
 	return device->alloc.pfnFree(device->alloc.pUserData, data);
 }

 static bool
 radv_builtin_cache_path(char *path)
 {
 	char *xdg_cache_home = getenv("XDG_CACHE_HOME");
 	const char *suffix = "/radv_builtin_shaders";
 	const char *suffix2 = "/.cache/radv_builtin_shaders";
 	struct passwd pwd, *result;
 	char path2[PATH_MAX + 1]; /* PATH_MAX is not a real max,but suffices here. */

 	if (xdg_cache_home) {

 		if (strlen(xdg_cache_home) + strlen(suffix) > PATH_MAX)
 			return false;

 		strcpy(path, xdg_cache_home);
 		strcat(path, suffix);
 		return true;
 	}

 	getpwuid_r(getuid(), &pwd, path2, PATH_MAX - strlen(suffix2), &result);
 	if (!result)
 		return false;

 	strcpy(path, pwd.pw_dir);
 	strcat(path, "/.cache");
 	mkdir(path, 0755);

 	strcat(path, suffix);
 	return true;
 }

 static void
 radv_load_meta_pipeline(struct radv_device *device)
 {
 	char path[PATH_MAX + 1];
 	struct stat st;
 	void *data = NULL;

 	if (!radv_builtin_cache_path(path))
 		return;

 	int fd = open(path, O_RDONLY);
 	if (fd < 0)
 		return;
 	if (fstat(fd, &st))
 		goto fail;
 	data = malloc(st.st_size);
 	if (!data)
 		goto fail;
 	if(read(fd, data, st.st_size) == -1)
 		goto fail;

 	radv_pipeline_cache_load(&device->meta_state.cache, data, st.st_size);
 fail:
 	free(data);
 	close(fd);
 }

 static void
 radv_store_meta_pipeline(struct radv_device *device)
 {
 	char path[PATH_MAX + 1], path2[PATH_MAX + 7];
 	size_t size;
 	void *data = NULL;

 	if (!device->meta_state.cache.modified)
 		return;

 	if (radv_GetPipelineCacheData(radv_device_to_handle(device),
 				      radv_pipeline_cache_to_handle(&device->meta_state.cache),
 				      &size, NULL))
 		return;

 	if (!radv_builtin_cache_path(path))
 		return;

 	strcpy(path2, path);
 	strcat(path2, "XXXXXX");
 	int fd = mkstemp(path2);//open(path, O_WRONLY | O_CREAT, 0600);
 	if (fd < 0)
 		return;
 	data = malloc(size);
 	if (!data)
 		goto fail;

 	if (radv_GetPipelineCacheData(radv_device_to_handle(device),
 				      radv_pipeline_cache_to_handle(&device->meta_state.cache),
 				      &size, data))
 		goto fail;
 	if(write(fd, data, size) == -1)
 		goto fail;

 	rename(path2, path);
 fail:
 	free(data);
 	close(fd);
 	unlink(path2);
 }

 VkResult
 radv_device_init_meta(struct radv_device *device)
 {
 	VkResult result;

 	device->meta_state.alloc = (VkAllocationCallbacks) {
 		.pUserData = device,
 		.pfnAllocation = meta_alloc,
 		.pfnReallocation = meta_realloc,
 		.pfnFree = meta_free,
 	};

 	device->meta_state.cache.alloc = device->meta_state.alloc;
 	radv_pipeline_cache_init(&device->meta_state.cache, device);
 	radv_load_meta_pipeline(device);

 	result = radv_device_init_meta_clear_state(device);
 	if (result != VK_SUCCESS)
 		goto fail_clear;

 	result = radv_device_init_meta_resolve_state(device);
 	if (result != VK_SUCCESS)
 		goto fail_resolve;

 	result = radv_device_init_meta_blit_state(device);
 	if (result != VK_SUCCESS)
 		goto fail_blit;

 	result = radv_device_init_meta_blit2d_state(device);
 	if (result != VK_SUCCESS)
 		goto fail_blit2d;

 	result = radv_device_init_meta_bufimage_state(device);
 	if (result != VK_SUCCESS)
 		goto fail_bufimage;

 	result = radv_device_init_meta_depth_decomp_state(device);
 	if (result != VK_SUCCESS)
 		goto fail_depth_decomp;

 	result = radv_device_init_meta_buffer_state(device);
 	if (result != VK_SUCCESS)
 		goto fail_buffer;

 	result = radv_device_init_meta_query_state(device);
 	if (result != VK_SUCCESS)
 		goto fail_query;

 	result = radv_device_init_meta_fast_clear_flush_state(device);
 	if (result != VK_SUCCESS)
 		goto fail_fast_clear;

 	result = radv_device_init_meta_resolve_compute_state(device);
 	if (result != VK_SUCCESS)
 		goto fail_resolve_compute;
 	return VK_SUCCESS;

 fail_resolve_compute:
 	radv_device_finish_meta_fast_clear_flush_state(device);
 fail_fast_clear:
 	radv_device_finish_meta_buffer_state(device);
 fail_query:
 	radv_device_finish_meta_query_state(device);
 fail_buffer:
 	radv_device_finish_meta_depth_decomp_state(device);
 fail_depth_decomp:
 	radv_device_finish_meta_bufimage_state(device);
 fail_bufimage:
 	radv_device_finish_meta_blit2d_state(device);
 fail_blit2d:
 	radv_device_finish_meta_blit_state(device);
 fail_blit:
 	radv_device_finish_meta_resolve_state(device);
 fail_resolve:
 	radv_device_finish_meta_clear_state(device);
 fail_clear:
 	radv_pipeline_cache_finish(&device->meta_state.cache);
 	return result;
 }

 void
 radv_device_finish_meta(struct radv_device *device)
 {
 	radv_device_finish_meta_clear_state(device);
 	radv_device_finish_meta_resolve_state(device);
 	radv_device_finish_meta_blit_state(device);
 	radv_device_finish_meta_blit2d_state(device);
 	radv_device_finish_meta_bufimage_state(device);
 	radv_device_finish_meta_depth_decomp_state(device);
 	radv_device_finish_meta_query_state(device);
 	radv_device_finish_meta_buffer_state(device);
 	radv_device_finish_meta_fast_clear_flush_state(device);
 	radv_device_finish_meta_resolve_compute_state(device);

 	radv_store_meta_pipeline(device);
 	radv_pipeline_cache_finish(&device->meta_state.cache);
 }

 /*
  * The most common meta operations all want to have the viewport
  * reset and any scissors disabled. The rest of the dynamic state
  * should have no effect.
  */
 void
 radv_meta_save_graphics_reset_vport_scissor(struct radv_meta_saved_state *saved_state,
 					    struct radv_cmd_buffer *cmd_buffer)
 {
 	uint32_t dirty_state = (1 << VK_DYNAMIC_STATE_VIEWPORT) | (1 << VK_DYNAMIC_STATE_SCISSOR);
 	radv_meta_save(saved_state, cmd_buffer, dirty_state);
 	cmd_buffer->state.dynamic.viewport.count = 0;
 	cmd_buffer->state.dynamic.scissor.count = 0;
 	cmd_buffer->state.dirty |= dirty_state;
 }
	/*
	* Copyright © 2016 Red Hat
	* based on intel anv code:
	* 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 "radv_meta.h"

	#include <fcntl.h>
	#include <limits.h>
	#include <pwd.h>
	#include <sys/stat.h>

	void
	radv_meta_save(struct radv_meta_saved_state *state,
	const struct radv_cmd_buffer *cmd_buffer,
	uint32_t dynamic_mask)
	{
	state->old_pipeline = cmd_buffer->state.pipeline;
	state->old_descriptor_set0 = cmd_buffer->state.descriptors[0];
	memcpy(state->old_vertex_bindings, cmd_buffer->state.vertex_bindings,
	sizeof(state->old_vertex_bindings));

	state->dynamic_mask = dynamic_mask;
	radv_dynamic_state_copy(&state->dynamic, &cmd_buffer->state.dynamic,
	dynamic_mask);

	memcpy(state->push_constants, cmd_buffer->push_constants, MAX_PUSH_CONSTANTS_SIZE);
	}

	void
	radv_meta_restore(const struct radv_meta_saved_state *state,
	struct radv_cmd_buffer *cmd_buffer)
	{
	radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer), VK_PIPELINE_BIND_POINT_GRAPHICS,
	radv_pipeline_to_handle(state->old_pipeline));

	cmd_buffer->state.descriptors[0] = state->old_descriptor_set0;
	memcpy(cmd_buffer->state.vertex_bindings, state->old_vertex_bindings,
	sizeof(state->old_vertex_bindings));

	cmd_buffer->state.vb_dirty \|= (1 << RADV_META_VERTEX_BINDING_COUNT) - 1;
	cmd_buffer->state.dirty \|= RADV_CMD_DIRTY_PIPELINE;

	radv_dynamic_state_copy(&cmd_buffer->state.dynamic, &state->dynamic,
	state->dynamic_mask);
	cmd_buffer->state.dirty \|= state->dynamic_mask;

	memcpy(cmd_buffer->push_constants, state->push_constants, MAX_PUSH_CONSTANTS_SIZE);
	cmd_buffer->push_constant_stages \|= VK_SHADER_STAGE_ALL_GRAPHICS \| VK_SHADER_STAGE_COMPUTE_BIT;
	}

	void
	radv_meta_save_pass(struct radv_meta_saved_pass_state *state,
	const struct radv_cmd_buffer *cmd_buffer)
	{
	state->pass = cmd_buffer->state.pass;
	state->subpass = cmd_buffer->state.subpass;
	state->framebuffer = cmd_buffer->state.framebuffer;
	state->attachments = cmd_buffer->state.attachments;
	state->render_area = cmd_buffer->state.render_area;
	}

	void
	radv_meta_restore_pass(const struct radv_meta_saved_pass_state *state,
	struct radv_cmd_buffer *cmd_buffer)
	{
	cmd_buffer->state.pass = state->pass;
	cmd_buffer->state.subpass = state->subpass;
	cmd_buffer->state.framebuffer = state->framebuffer;
	cmd_buffer->state.attachments = state->attachments;
	cmd_buffer->state.render_area = state->render_area;
	if (state->subpass)
	radv_emit_framebuffer_state(cmd_buffer);
	}

	void
	radv_meta_save_compute(struct radv_meta_saved_compute_state *state,
	const struct radv_cmd_buffer *cmd_buffer,
	unsigned push_constant_size)
	{
	state->old_pipeline = cmd_buffer->state.compute_pipeline;
	state->old_descriptor_set0 = cmd_buffer->state.descriptors[0];

	if (push_constant_size)
	memcpy(state->push_constants, cmd_buffer->push_constants, push_constant_size);
	}

	void
	radv_meta_restore_compute(const struct radv_meta_saved_compute_state *state,
	struct radv_cmd_buffer *cmd_buffer,
	unsigned push_constant_size)
	{
	radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer), VK_PIPELINE_BIND_POINT_COMPUTE,
	radv_pipeline_to_handle(state->old_pipeline));

	cmd_buffer->state.descriptors[0] = state->old_descriptor_set0;

	if (push_constant_size) {
	memcpy(cmd_buffer->push_constants, state->push_constants, push_constant_size);
	cmd_buffer->push_constant_stages \|= VK_SHADER_STAGE_COMPUTE_BIT;
	}
	}

	VkImageViewType
	radv_meta_get_view_type(const struct radv_image *image)
	{
	switch (image->type) {
	case VK_IMAGE_TYPE_1D: return VK_IMAGE_VIEW_TYPE_1D;
	case VK_IMAGE_TYPE_2D: return VK_IMAGE_VIEW_TYPE_2D;
	case VK_IMAGE_TYPE_3D: return VK_IMAGE_VIEW_TYPE_3D;
	default:
	unreachable("bad VkImageViewType");
	}
	}

	/**
	* When creating a destination VkImageView, this function provides the needed
	* VkImageViewCreateInfo::subresourceRange::baseArrayLayer.
	*/
	uint32_t
	radv_meta_get_iview_layer(const struct radv_image *dest_image,
	const VkImageSubresourceLayers *dest_subresource,
	const VkOffset3D *dest_offset)
	{
	switch (dest_image->type) {
	case VK_IMAGE_TYPE_1D:
	case VK_IMAGE_TYPE_2D:
	return dest_subresource->baseArrayLayer;
	case VK_IMAGE_TYPE_3D:
	/* HACK: Vulkan does not allow attaching a 3D image to a framebuffer,
	* but meta does it anyway. When doing so, we translate the
	* destination's z offset into an array offset.
	*/
	return dest_offset->z;
	default:
	assert(!"bad VkImageType");
	return 0;
	}
	}

	static void *
	meta_alloc(void* _device, size_t size, size_t alignment,
	VkSystemAllocationScope allocationScope)
	{
	struct radv_device *device = _device;
	return device->alloc.pfnAllocation(device->alloc.pUserData, size, alignment,
	VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
	}

	static void *
	meta_realloc(void* _device, void *original, size_t size, size_t alignment,
	VkSystemAllocationScope allocationScope)
	{
	struct radv_device *device = _device;
	return device->alloc.pfnReallocation(device->alloc.pUserData, original,
	size, alignment,
	VK_SYSTEM_ALLOCATION_SCOPE_DEVICE);
	}

	static void
	meta_free(void* _device, void *data)
	{
	struct radv_device *device = _device;
	return device->alloc.pfnFree(device->alloc.pUserData, data);
	}

	static bool
	radv_builtin_cache_path(char *path)
	{
	char *xdg_cache_home = getenv("XDG_CACHE_HOME");
	const char *suffix = "/radv_builtin_shaders";
	const char *suffix2 = "/.cache/radv_builtin_shaders";
	struct passwd pwd, *result;
	char path2[PATH_MAX + 1]; /* PATH_MAX is not a real max,but suffices here. */

	if (xdg_cache_home) {

	if (strlen(xdg_cache_home) + strlen(suffix) > PATH_MAX)
	return false;

	strcpy(path, xdg_cache_home);
	strcat(path, suffix);
	return true;
	}

	getpwuid_r(getuid(), &pwd, path2, PATH_MAX - strlen(suffix2), &result);
	if (!result)
	return false;

	strcpy(path, pwd.pw_dir);
	strcat(path, "/.cache");
	mkdir(path, 0755);

	strcat(path, suffix);
	return true;
	}

	static void
	radv_load_meta_pipeline(struct radv_device *device)
	{
	char path[PATH_MAX + 1];
	struct stat st;
	void *data = NULL;

	if (!radv_builtin_cache_path(path))
	return;

	int fd = open(path, O_RDONLY);
	if (fd < 0)
	return;
	if (fstat(fd, &st))
	goto fail;
	data = malloc(st.st_size);
	if (!data)
	goto fail;
	if(read(fd, data, st.st_size) == -1)
	goto fail;

	radv_pipeline_cache_load(&device->meta_state.cache, data, st.st_size);
	fail:
	free(data);
	close(fd);
	}

	static void
	radv_store_meta_pipeline(struct radv_device *device)
	{
	char path[PATH_MAX + 1], path2[PATH_MAX + 7];
	size_t size;
	void *data = NULL;

	if (!device->meta_state.cache.modified)
	return;

	if (radv_GetPipelineCacheData(radv_device_to_handle(device),
	radv_pipeline_cache_to_handle(&device->meta_state.cache),
	&size, NULL))
	return;

	if (!radv_builtin_cache_path(path))
	return;

	strcpy(path2, path);
	strcat(path2, "XXXXXX");
	int fd = mkstemp(path2);//open(path, O_WRONLY \| O_CREAT, 0600);
	if (fd < 0)
	return;
	data = malloc(size);
	if (!data)
	goto fail;

	if (radv_GetPipelineCacheData(radv_device_to_handle(device),
	radv_pipeline_cache_to_handle(&device->meta_state.cache),
	&size, data))
	goto fail;
	if(write(fd, data, size) == -1)
	goto fail;

	rename(path2, path);
	fail:
	free(data);
	close(fd);
	unlink(path2);
	}

	VkResult
	radv_device_init_meta(struct radv_device *device)
	{
	VkResult result;

	device->meta_state.alloc = (VkAllocationCallbacks) {
	.pUserData = device,
	.pfnAllocation = meta_alloc,
	.pfnReallocation = meta_realloc,
	.pfnFree = meta_free,
	};

	device->meta_state.cache.alloc = device->meta_state.alloc;
	radv_pipeline_cache_init(&device->meta_state.cache, device);
	radv_load_meta_pipeline(device);

	result = radv_device_init_meta_clear_state(device);
	if (result != VK_SUCCESS)
	goto fail_clear;

	result = radv_device_init_meta_resolve_state(device);
	if (result != VK_SUCCESS)
	goto fail_resolve;

	result = radv_device_init_meta_blit_state(device);
	if (result != VK_SUCCESS)
	goto fail_blit;

	result = radv_device_init_meta_blit2d_state(device);
	if (result != VK_SUCCESS)
	goto fail_blit2d;

	result = radv_device_init_meta_bufimage_state(device);
	if (result != VK_SUCCESS)
	goto fail_bufimage;

	result = radv_device_init_meta_depth_decomp_state(device);
	if (result != VK_SUCCESS)
	goto fail_depth_decomp;

	result = radv_device_init_meta_buffer_state(device);
	if (result != VK_SUCCESS)
	goto fail_buffer;

	result = radv_device_init_meta_query_state(device);
	if (result != VK_SUCCESS)
	goto fail_query;

	result = radv_device_init_meta_fast_clear_flush_state(device);
	if (result != VK_SUCCESS)
	goto fail_fast_clear;

	result = radv_device_init_meta_resolve_compute_state(device);
	if (result != VK_SUCCESS)
	goto fail_resolve_compute;
	return VK_SUCCESS;

	fail_resolve_compute:
	radv_device_finish_meta_fast_clear_flush_state(device);
	fail_fast_clear:
	radv_device_finish_meta_buffer_state(device);
	fail_query:
	radv_device_finish_meta_query_state(device);
	fail_buffer:
	radv_device_finish_meta_depth_decomp_state(device);
	fail_depth_decomp:
	radv_device_finish_meta_bufimage_state(device);
	fail_bufimage:
	radv_device_finish_meta_blit2d_state(device);
	fail_blit2d:
	radv_device_finish_meta_blit_state(device);
	fail_blit:
	radv_device_finish_meta_resolve_state(device);
	fail_resolve:
	radv_device_finish_meta_clear_state(device);
	fail_clear:
	radv_pipeline_cache_finish(&device->meta_state.cache);
	return result;
	}

	void
	radv_device_finish_meta(struct radv_device *device)
	{
	radv_device_finish_meta_clear_state(device);
	radv_device_finish_meta_resolve_state(device);
	radv_device_finish_meta_blit_state(device);
	radv_device_finish_meta_blit2d_state(device);
	radv_device_finish_meta_bufimage_state(device);
	radv_device_finish_meta_depth_decomp_state(device);
	radv_device_finish_meta_query_state(device);
	radv_device_finish_meta_buffer_state(device);
	radv_device_finish_meta_fast_clear_flush_state(device);
	radv_device_finish_meta_resolve_compute_state(device);

	radv_store_meta_pipeline(device);
	radv_pipeline_cache_finish(&device->meta_state.cache);
	}

	/*
	* The most common meta operations all want to have the viewport
	* reset and any scissors disabled. The rest of the dynamic state
	* should have no effect.
	*/
	void
	radv_meta_save_graphics_reset_vport_scissor(struct radv_meta_saved_state *saved_state,
	struct radv_cmd_buffer *cmd_buffer)
	{
	uint32_t dirty_state = (1 << VK_DYNAMIC_STATE_VIEWPORT) \| (1 << VK_DYNAMIC_STATE_SCISSOR);
	radv_meta_save(saved_state, cmd_buffer, dirty_state);
	cmd_buffer->state.dynamic.viewport.count = 0;
	cmd_buffer->state.dynamic.scissor.count = 0;
	cmd_buffer->state.dirty \|= dirty_state;
	}