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rendering_device.cpp
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rendering_device.cpp
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/**************************************************************************/
/* rendering_device.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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 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 "rendering_device.h"
#include "rendering_device.compat.inc"
#include "rendering_device_binds.h"
#include "core/config/project_settings.h"
#include "core/io/dir_access.h"
#include "servers/rendering/renderer_rd/api_context_rd.h"
//#define FORCE_FULL_BARRIER
RenderingDevice *RenderingDevice::singleton = nullptr;
RenderingDevice *RenderingDevice::get_singleton() {
return singleton;
}
RenderingDevice::ShaderCompileToSPIRVFunction RenderingDevice::compile_to_spirv_function = nullptr;
RenderingDevice::ShaderCacheFunction RenderingDevice::cache_function = nullptr;
RenderingDevice::ShaderSPIRVGetCacheKeyFunction RenderingDevice::get_spirv_cache_key_function = nullptr;
/***************************/
/**** ID INFRASTRUCTURE ****/
/***************************/
void RenderingDevice::_add_dependency(RID p_id, RID p_depends_on) {
if (!dependency_map.has(p_depends_on)) {
dependency_map[p_depends_on] = HashSet<RID>();
}
dependency_map[p_depends_on].insert(p_id);
if (!reverse_dependency_map.has(p_id)) {
reverse_dependency_map[p_id] = HashSet<RID>();
}
reverse_dependency_map[p_id].insert(p_depends_on);
}
void RenderingDevice::_free_dependencies(RID p_id) {
// Direct dependencies must be freed.
HashMap<RID, HashSet<RID>>::Iterator E = dependency_map.find(p_id);
if (E) {
while (E->value.size()) {
free(*E->value.begin());
}
dependency_map.remove(E);
}
// Reverse dependencies must be unreferenced.
E = reverse_dependency_map.find(p_id);
if (E) {
for (const RID &F : E->value) {
HashMap<RID, HashSet<RID>>::Iterator G = dependency_map.find(F);
ERR_CONTINUE(!G);
ERR_CONTINUE(!G->value.has(p_id));
G->value.erase(p_id);
}
reverse_dependency_map.remove(E);
}
}
void RenderingDevice::shader_set_compile_to_spirv_function(ShaderCompileToSPIRVFunction p_function) {
compile_to_spirv_function = p_function;
}
void RenderingDevice::shader_set_spirv_cache_function(ShaderCacheFunction p_function) {
cache_function = p_function;
}
void RenderingDevice::shader_set_get_cache_key_function(ShaderSPIRVGetCacheKeyFunction p_function) {
get_spirv_cache_key_function = p_function;
}
Vector<uint8_t> RenderingDevice::shader_compile_spirv_from_source(ShaderStage p_stage, const String &p_source_code, ShaderLanguage p_language, String *r_error, bool p_allow_cache) {
if (p_allow_cache && cache_function) {
Vector<uint8_t> cache = cache_function(p_stage, p_source_code, p_language);
if (cache.size()) {
return cache;
}
}
ERR_FAIL_NULL_V(compile_to_spirv_function, Vector<uint8_t>());
return compile_to_spirv_function(p_stage, p_source_code, p_language, r_error, this);
}
String RenderingDevice::shader_get_spirv_cache_key() const {
if (get_spirv_cache_key_function) {
return get_spirv_cache_key_function(this);
}
return String();
}
RID RenderingDevice::shader_create_from_spirv(const Vector<ShaderStageSPIRVData> &p_spirv, const String &p_shader_name) {
Vector<uint8_t> bytecode = shader_compile_binary_from_spirv(p_spirv, p_shader_name);
ERR_FAIL_COND_V(bytecode.size() == 0, RID());
return shader_create_from_bytecode(bytecode);
}
/******************/
/**** BARRIERS ****/
/******************/
void RenderingDevice::_full_barrier(bool p_sync_with_draw) {
// Used for debug.
RDD::MemoryBarrier mb;
mb.src_access = (RDD::BARRIER_ACCESS_INDIRECT_COMMAND_READ_BIT |
RDD::BARRIER_ACCESS_INDEX_READ_BIT |
RDD::BARRIER_ACCESS_VERTEX_ATTRIBUTE_READ_BIT |
RDD::BARRIER_ACCESS_UNIFORM_READ_BIT |
RDD::BARRIER_ACCESS_INPUT_ATTACHMENT_READ_BIT |
RDD::BARRIER_ACCESS_SHADER_READ_BIT |
RDD::BARRIER_ACCESS_SHADER_WRITE_BIT |
RDD::BARRIER_ACCESS_COLOR_ATTACHMENT_READ_BIT |
RDD::BARRIER_ACCESS_COLOR_ATTACHMENT_WRITE_BIT |
RDD::BARRIER_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
RDD::BARRIER_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT |
RDD::BARRIER_ACCESS_TRANSFER_READ_BIT |
RDD::BARRIER_ACCESS_TRANSFER_WRITE_BIT |
RDD::BARRIER_ACCESS_HOST_READ_BIT |
RDD::BARRIER_ACCESS_HOST_WRITE_BIT);
mb.dst_access = (RDD::BARRIER_ACCESS_INDIRECT_COMMAND_READ_BIT |
RDD::BARRIER_ACCESS_INDEX_READ_BIT |
RDD::BARRIER_ACCESS_VERTEX_ATTRIBUTE_READ_BIT |
RDD::BARRIER_ACCESS_UNIFORM_READ_BIT |
RDD::BARRIER_ACCESS_INPUT_ATTACHMENT_READ_BIT |
RDD::BARRIER_ACCESS_SHADER_READ_BIT |
RDD::BARRIER_ACCESS_SHADER_WRITE_BIT |
RDD::BARRIER_ACCESS_COLOR_ATTACHMENT_READ_BIT |
RDD::BARRIER_ACCESS_COLOR_ATTACHMENT_WRITE_BIT |
RDD::BARRIER_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT |
RDD::BARRIER_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT |
RDD::BARRIER_ACCESS_TRANSFER_READ_BIT |
RDD::BARRIER_ACCESS_TRANSFER_WRITE_BIT |
RDD::BARRIER_ACCESS_HOST_READ_BIT |
RDD::BARRIER_ACCESS_HOST_WRITE_BIT);
RDD::CommandBufferID cmd_buffer = p_sync_with_draw ? frames[frame].draw_command_buffer : frames[frame].setup_command_buffer;
driver->command_pipeline_barrier(cmd_buffer, RDD::PIPELINE_STAGE_ALL_COMMANDS_BIT, RDD::PIPELINE_STAGE_ALL_COMMANDS_BIT, mb, {}, {});
}
/***************************/
/**** BUFFER MANAGEMENT ****/
/***************************/
RenderingDevice::Buffer *RenderingDevice::_get_buffer_from_owner(RID p_buffer, BitField<RDD::PipelineStageBits> &r_stages, BitField<RDD::BarrierAccessBits> &r_access, BitField<BarrierMask> p_post_barrier) {
Buffer *buffer = nullptr;
r_stages.clear();
r_access.clear();
if (vertex_buffer_owner.owns(p_buffer)) {
buffer = vertex_buffer_owner.get_or_null(p_buffer);
r_stages.set_flag(RDD::PIPELINE_STAGE_VERTEX_INPUT_BIT);
r_access.set_flag(RDD::BARRIER_ACCESS_VERTEX_ATTRIBUTE_READ_BIT);
if (buffer->usage & RDD::BUFFER_USAGE_STORAGE_BIT) {
if (p_post_barrier.has_flag(BARRIER_MASK_VERTEX)) {
r_access.set_flag(RDD::BARRIER_ACCESS_SHADER_READ_BIT).set_flag(RDD::BARRIER_ACCESS_SHADER_WRITE_BIT);
r_stages.set_flag(RDD::PIPELINE_STAGE_VERTEX_SHADER_BIT);
}
if (p_post_barrier.has_flag(BARRIER_MASK_FRAGMENT)) {
r_access.set_flag(RDD::BARRIER_ACCESS_SHADER_READ_BIT).set_flag(RDD::BARRIER_ACCESS_SHADER_WRITE_BIT);
r_stages.set_flag(RDD::PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
}
if (p_post_barrier.has_flag(BARRIER_MASK_COMPUTE)) {
r_access.set_flag(RDD::BARRIER_ACCESS_SHADER_READ_BIT).set_flag(RDD::BARRIER_ACCESS_SHADER_WRITE_BIT);
r_stages.set_flag(RDD::PIPELINE_STAGE_COMPUTE_SHADER_BIT);
}
}
} else if (index_buffer_owner.owns(p_buffer)) {
r_stages.set_flag(RDD::PIPELINE_STAGE_VERTEX_INPUT_BIT);
r_access.set_flag(RDD::BARRIER_ACCESS_INDEX_READ_BIT);
buffer = index_buffer_owner.get_or_null(p_buffer);
} else if (uniform_buffer_owner.owns(p_buffer)) {
if (p_post_barrier.has_flag(BARRIER_MASK_VERTEX)) {
r_stages.set_flag(RDD::PIPELINE_STAGE_VERTEX_SHADER_BIT);
}
if (p_post_barrier.has_flag(BARRIER_MASK_FRAGMENT)) {
r_stages.set_flag(RDD::PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
}
if (p_post_barrier.has_flag(BARRIER_MASK_COMPUTE)) {
r_stages.set_flag(RDD::PIPELINE_STAGE_COMPUTE_SHADER_BIT);
}
r_access.set_flag(RDD::BARRIER_ACCESS_UNIFORM_READ_BIT);
buffer = uniform_buffer_owner.get_or_null(p_buffer);
} else if (texture_buffer_owner.owns(p_buffer)) {
if (p_post_barrier.has_flag(BARRIER_MASK_VERTEX)) {
r_stages.set_flag(RDD::PIPELINE_STAGE_VERTEX_SHADER_BIT);
r_access.set_flag(RDD::BARRIER_ACCESS_SHADER_READ_BIT);
}
if (p_post_barrier.has_flag(BARRIER_MASK_FRAGMENT)) {
r_stages.set_flag(RDD::PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
r_access.set_flag(RDD::BARRIER_ACCESS_SHADER_READ_BIT);
}
if (p_post_barrier.has_flag(BARRIER_MASK_COMPUTE)) {
r_stages.set_flag(RDD::PIPELINE_STAGE_COMPUTE_SHADER_BIT);
r_access.set_flag(RDD::BARRIER_ACCESS_SHADER_READ_BIT);
}
// FIXME: Broken.
//buffer = texture_buffer_owner.get_or_null(p_buffer)->buffer;
} else if (storage_buffer_owner.owns(p_buffer)) {
buffer = storage_buffer_owner.get_or_null(p_buffer);
if (p_post_barrier.has_flag(BARRIER_MASK_VERTEX)) {
r_stages.set_flag(RDD::PIPELINE_STAGE_VERTEX_SHADER_BIT);
r_access.set_flag(RDD::BARRIER_ACCESS_SHADER_READ_BIT).set_flag(RDD::BARRIER_ACCESS_SHADER_WRITE_BIT);
}
if (p_post_barrier.has_flag(BARRIER_MASK_FRAGMENT)) {
r_stages.set_flag(RDD::PIPELINE_STAGE_FRAGMENT_SHADER_BIT);
r_access.set_flag(RDD::BARRIER_ACCESS_SHADER_READ_BIT).set_flag(RDD::BARRIER_ACCESS_SHADER_WRITE_BIT);
}
if (p_post_barrier.has_flag(BARRIER_MASK_COMPUTE)) {
r_stages.set_flag(RDD::PIPELINE_STAGE_COMPUTE_SHADER_BIT);
r_access.set_flag(RDD::BARRIER_ACCESS_SHADER_READ_BIT).set_flag(RDD::BARRIER_ACCESS_SHADER_WRITE_BIT);
}
if (buffer->usage.has_flag(RDD::BUFFER_USAGE_INDIRECT_BIT)) {
r_stages.set_flag(RDD::PIPELINE_STAGE_DRAW_INDIRECT_BIT);
r_access.set_flag(RDD::BARRIER_ACCESS_INDIRECT_COMMAND_READ_BIT);
}
}
return buffer;
}
Error RenderingDevice::_insert_staging_block() {
StagingBufferBlock block;
block.driver_id = driver->buffer_create(staging_buffer_block_size, RDD::BUFFER_USAGE_TRANSFER_FROM_BIT, RDD::MEMORY_ALLOCATION_TYPE_CPU);
ERR_FAIL_COND_V(!block.driver_id, ERR_CANT_CREATE);
block.frame_used = 0;
block.fill_amount = 0;
staging_buffer_blocks.insert(staging_buffer_current, block);
return OK;
}
Error RenderingDevice::_staging_buffer_allocate(uint32_t p_amount, uint32_t p_required_align, uint32_t &r_alloc_offset, uint32_t &r_alloc_size, bool p_can_segment) {
// Determine a block to use.
r_alloc_size = p_amount;
while (true) {
r_alloc_offset = 0;
// See if we can use current block.
if (staging_buffer_blocks[staging_buffer_current].frame_used == frames_drawn) {
// We used this block this frame, let's see if there is still room.
uint32_t write_from = staging_buffer_blocks[staging_buffer_current].fill_amount;
{
uint32_t align_remainder = write_from % p_required_align;
if (align_remainder != 0) {
write_from += p_required_align - align_remainder;
}
}
int32_t available_bytes = int32_t(staging_buffer_block_size) - int32_t(write_from);
if ((int32_t)p_amount < available_bytes) {
// All is good, we should be ok, all will fit.
r_alloc_offset = write_from;
} else if (p_can_segment && available_bytes >= (int32_t)p_required_align) {
// Ok all won't fit but at least we can fit a chunkie.
// All is good, update what needs to be written to.
r_alloc_offset = write_from;
r_alloc_size = available_bytes - (available_bytes % p_required_align);
} else {
// Can't fit it into this buffer.
// Will need to try next buffer.
staging_buffer_current = (staging_buffer_current + 1) % staging_buffer_blocks.size();
// Before doing anything, though, let's check that we didn't manage to fill all blocks.
// Possible in a single frame.
if (staging_buffer_blocks[staging_buffer_current].frame_used == frames_drawn) {
// Guess we did.. ok, let's see if we can insert a new block.
if ((uint64_t)staging_buffer_blocks.size() * staging_buffer_block_size < staging_buffer_max_size) {
// We can, so we are safe.
Error err = _insert_staging_block();
if (err) {
return err;
}
// Claim for this frame.
staging_buffer_blocks.write[staging_buffer_current].frame_used = frames_drawn;
} else {
// Ok, worst case scenario, all the staging buffers belong to this frame
// and this frame is not even done.
// If this is the main thread, it means the user is likely loading a lot of resources at once,.
// Otherwise, the thread should just be blocked until the next frame (currently unimplemented).
if (false) { // Separate thread from render.
//block_until_next_frame()
continue;
} else {
// Flush EVERYTHING including setup commands. IF not immediate, also need to flush the draw commands.
_flush(true);
// Clear the whole staging buffer.
for (int i = 0; i < staging_buffer_blocks.size(); i++) {
staging_buffer_blocks.write[i].frame_used = 0;
staging_buffer_blocks.write[i].fill_amount = 0;
}
// Claim current.
staging_buffer_blocks.write[staging_buffer_current].frame_used = frames_drawn;
}
}
} else {
// Not from current frame, so continue and try again.
continue;
}
}
} else if (staging_buffer_blocks[staging_buffer_current].frame_used <= frames_drawn - frame_count) {
// This is an old block, which was already processed, let's reuse.
staging_buffer_blocks.write[staging_buffer_current].frame_used = frames_drawn;
staging_buffer_blocks.write[staging_buffer_current].fill_amount = 0;
} else {
// This block may still be in use, let's not touch it unless we have to, so.. can we create a new one?
if ((uint64_t)staging_buffer_blocks.size() * staging_buffer_block_size < staging_buffer_max_size) {
// We are still allowed to create a new block, so let's do that and insert it for current pos.
Error err = _insert_staging_block();
if (err) {
return err;
}
// Claim for this frame.
staging_buffer_blocks.write[staging_buffer_current].frame_used = frames_drawn;
} else {
// Oops, we are out of room and we can't create more.
// Let's flush older frames.
// The logic here is that if a game is loading a lot of data from the main thread, it will need to be stalled anyway.
// If loading from a separate thread, we can block that thread until next frame when more room is made (not currently implemented, though).
if (false) {
// Separate thread from render.
//block_until_next_frame()
continue; // And try again.
} else {
_flush(false);
for (int i = 0; i < staging_buffer_blocks.size(); i++) {
// Clear all blocks but the ones from this frame.
int block_idx = (i + staging_buffer_current) % staging_buffer_blocks.size();
if (staging_buffer_blocks[block_idx].frame_used == frames_drawn) {
break; // Ok, we reached something from this frame, abort.
}
staging_buffer_blocks.write[block_idx].frame_used = 0;
staging_buffer_blocks.write[block_idx].fill_amount = 0;
}
// Claim for current frame.
staging_buffer_blocks.write[staging_buffer_current].frame_used = frames_drawn;
}
}
}
// All was good, break.
break;
}
staging_buffer_used = true;
return OK;
}
Error RenderingDevice::_buffer_update(Buffer *p_buffer, size_t p_offset, const uint8_t *p_data, size_t p_data_size, bool p_use_draw_command_buffer, uint32_t p_required_align) {
// Submitting may get chunked for various reasons, so convert this to a task.
size_t to_submit = p_data_size;
size_t submit_from = 0;
while (to_submit > 0) {
uint32_t block_write_offset;
uint32_t block_write_amount;
Error err = _staging_buffer_allocate(MIN(to_submit, staging_buffer_block_size), p_required_align, block_write_offset, block_write_amount);
if (err) {
return err;
}
// Map staging buffer (It's CPU and coherent).
uint8_t *data_ptr = driver->buffer_map(staging_buffer_blocks[staging_buffer_current].driver_id);
ERR_FAIL_NULL_V(data_ptr, ERR_CANT_CREATE);
// Copy to staging buffer.
memcpy(data_ptr + block_write_offset, p_data + submit_from, block_write_amount);
// Unmap.
driver->buffer_unmap(staging_buffer_blocks[staging_buffer_current].driver_id);
// Insert a command to copy this.
RDD::BufferCopyRegion region;
region.src_offset = block_write_offset;
region.dst_offset = submit_from + p_offset;
region.size = block_write_amount;
driver->command_copy_buffer(p_use_draw_command_buffer ? frames[frame].draw_command_buffer : frames[frame].setup_command_buffer, staging_buffer_blocks[staging_buffer_current].driver_id, p_buffer->driver_id, region);
staging_buffer_blocks.write[staging_buffer_current].fill_amount = block_write_offset + block_write_amount;
to_submit -= block_write_amount;
submit_from += block_write_amount;
}
return OK;
}
Error RenderingDevice::buffer_copy(RID p_src_buffer, RID p_dst_buffer, uint32_t p_src_offset, uint32_t p_dst_offset, uint32_t p_size, BitField<BarrierMask> p_post_barrier) {
_THREAD_SAFE_METHOD_
ERR_FAIL_COND_V_MSG(draw_list, ERR_INVALID_PARAMETER,
"Copying buffers is forbidden during creation of a draw list");
ERR_FAIL_COND_V_MSG(compute_list, ERR_INVALID_PARAMETER,
"Copying buffers is forbidden during creation of a compute list");
// This method assumes the barriers have been pushed prior to being called, therefore no barriers are pushed
// for the source or destination buffers before performing the copy. These masks are effectively ignored.
BitField<RDD::PipelineStageBits> src_stages;
BitField<RDD::BarrierAccessBits> src_access;
Buffer *src_buffer = _get_buffer_from_owner(p_src_buffer, src_stages, src_access, BARRIER_MASK_NO_BARRIER);
if (!src_buffer) {
ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, "Source buffer argument is not a valid buffer of any type.");
}
BitField<RDD::PipelineStageBits> dst_stages;
BitField<RDD::BarrierAccessBits> dst_access;
if (p_post_barrier.has_flag(BARRIER_MASK_TRANSFER)) {
// If the post barrier mask defines it, we indicate the destination buffer will require a barrier with these flags set
// after the copy command is queued.
dst_stages.set_flag(RDD::PIPELINE_STAGE_TRANSFER_BIT);
dst_access.set_flag(RDD::BARRIER_ACCESS_TRANSFER_WRITE_BIT);
}
Buffer *dst_buffer = _get_buffer_from_owner(p_dst_buffer, dst_stages, dst_access, p_post_barrier);
if (!dst_buffer) {
ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, "Destination buffer argument is not a valid buffer of any type.");
}
// Validate the copy's dimensions for both buffers.
ERR_FAIL_COND_V_MSG((p_size + p_src_offset) > src_buffer->size, ERR_INVALID_PARAMETER, "Size is larger than the source buffer.");
ERR_FAIL_COND_V_MSG((p_size + p_dst_offset) > dst_buffer->size, ERR_INVALID_PARAMETER, "Size is larger than the destination buffer.");
// Perform the copy.
RDD::BufferCopyRegion region;
region.src_offset = p_src_offset;
region.dst_offset = p_dst_offset;
region.size = p_size;
driver->command_copy_buffer(frames[frame].draw_command_buffer, src_buffer->driver_id, dst_buffer->driver_id, region);
#ifdef FORCE_FULL_BARRIER
_full_barrier(true);
#else
if (driver->api_trait_get(RDD::API_TRAIT_HONORS_PIPELINE_BARRIERS) && p_post_barrier != RD::BARRIER_MASK_NO_BARRIER) {
if (dst_stages.is_empty()) {
dst_stages = RDD::PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
}
// As indicated by the post barrier mask, push a new barrier.
RDD::BufferBarrier bb;
bb.buffer = dst_buffer->driver_id;
bb.src_access = RDD::BARRIER_ACCESS_TRANSFER_WRITE_BIT;
bb.dst_access = dst_access;
bb.offset = p_dst_offset;
bb.size = p_size;
driver->command_pipeline_barrier(frames[frame].draw_command_buffer, RDD::PIPELINE_STAGE_TRANSFER_BIT, dst_stages, {}, bb, {});
}
#endif
return OK;
}
Error RenderingDevice::buffer_update(RID p_buffer, uint32_t p_offset, uint32_t p_size, const void *p_data, BitField<BarrierMask> p_post_barrier) {
_THREAD_SAFE_METHOD_
ERR_FAIL_COND_V_MSG(draw_list, ERR_INVALID_PARAMETER,
"Updating buffers is forbidden during creation of a draw list");
ERR_FAIL_COND_V_MSG(compute_list, ERR_INVALID_PARAMETER,
"Updating buffers is forbidden during creation of a compute list");
BitField<RDD::PipelineStageBits> dst_stages;
BitField<RDD::BarrierAccessBits> dst_access;
if (p_post_barrier.has_flag(BARRIER_MASK_TRANSFER)) {
// Protect subsequent updates.
dst_stages.set_flag(RDD::PIPELINE_STAGE_TRANSFER_BIT);
dst_access.set_flag(RDD::BARRIER_ACCESS_TRANSFER_WRITE_BIT);
}
Buffer *buffer = _get_buffer_from_owner(p_buffer, dst_stages, dst_access, p_post_barrier);
if (!buffer) {
ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, "Buffer argument is not a valid buffer of any type.");
}
ERR_FAIL_COND_V_MSG(p_offset + p_size > buffer->size, ERR_INVALID_PARAMETER,
"Attempted to write buffer (" + itos((p_offset + p_size) - buffer->size) + " bytes) past the end.");
Error err = _buffer_update(buffer, p_offset, (uint8_t *)p_data, p_size, true);
if (err) {
return err;
}
#ifdef FORCE_FULL_BARRIER
_full_barrier(true);
#else
if (dst_stages.is_empty()) {
dst_stages.set_flag(RDD::PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT);
}
if (driver->api_trait_get(RDD::API_TRAIT_HONORS_PIPELINE_BARRIERS) && p_post_barrier != RD::BARRIER_MASK_NO_BARRIER) {
RDD::BufferBarrier bb;
bb.buffer = buffer->driver_id;
bb.src_access = RDD::BARRIER_ACCESS_TRANSFER_WRITE_BIT;
bb.dst_access = dst_access;
bb.offset = p_offset;
bb.size = p_size;
driver->command_pipeline_barrier(frames[frame].draw_command_buffer, RDD::PIPELINE_STAGE_TRANSFER_BIT, dst_stages, {}, bb, {});
}
#endif
return err;
}
Error RenderingDevice::buffer_clear(RID p_buffer, uint32_t p_offset, uint32_t p_size, BitField<BarrierMask> p_post_barrier) {
_THREAD_SAFE_METHOD_
ERR_FAIL_COND_V_MSG((p_size % 4) != 0, ERR_INVALID_PARAMETER,
"Size must be a multiple of four");
ERR_FAIL_COND_V_MSG(draw_list, ERR_INVALID_PARAMETER,
"Updating buffers in is forbidden during creation of a draw list");
ERR_FAIL_COND_V_MSG(compute_list, ERR_INVALID_PARAMETER,
"Updating buffers is forbidden during creation of a compute list");
BitField<RDD::PipelineStageBits> dst_stages;
BitField<RDD::BarrierAccessBits> dst_access;
if (p_post_barrier.has_flag(BARRIER_MASK_TRANSFER)) {
// Protect subsequent updates.
dst_stages.set_flag(RDD::PIPELINE_STAGE_TRANSFER_BIT);
dst_access.set_flag(RDD::BARRIER_ACCESS_TRANSFER_WRITE_BIT);
}
Buffer *buffer = _get_buffer_from_owner(p_buffer, dst_stages, dst_access, p_post_barrier);
if (!buffer) {
ERR_FAIL_V_MSG(ERR_INVALID_PARAMETER, "Buffer argument is not a valid buffer of any type.");
}
ERR_FAIL_COND_V_MSG(p_offset + p_size > buffer->size, ERR_INVALID_PARAMETER,
"Attempted to write buffer (" + itos((p_offset + p_size) - buffer->size) + " bytes) past the end.");
driver->command_clear_buffer(frames[frame].draw_command_buffer, buffer->driver_id, p_offset, p_size);
#ifdef FORCE_FULL_BARRIER
_full_barrier(true);
#else
if (dst_stages.is_empty()) {
dst_stages.set_flag(RDD::PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT);
}
if (driver->api_trait_get(RDD::API_TRAIT_HONORS_PIPELINE_BARRIERS)) {
RDD::BufferBarrier bb;
bb.buffer = buffer->driver_id;
bb.src_access = RDD::BARRIER_ACCESS_TRANSFER_WRITE_BIT;
bb.dst_access = dst_access;
bb.offset = p_offset;
bb.size = p_size;
driver->command_pipeline_barrier(frames[frame].draw_command_buffer, RDD::PIPELINE_STAGE_TRANSFER_BIT, dst_stages, {}, bb, {});
}
#endif
return OK;
}
Vector<uint8_t> RenderingDevice::buffer_get_data(RID p_buffer, uint32_t p_offset, uint32_t p_size) {
_THREAD_SAFE_METHOD_
// It could be this buffer was just created.
BitField<RDD::PipelineStageBits> src_stages = RDD::PIPELINE_STAGE_TRANSFER_BIT;
BitField<RDD::BarrierAccessBits> src_access = RDD::BARRIER_ACCESS_TRANSFER_WRITE_BIT;
// Get the vulkan buffer and the potential stage/access possible.
Buffer *buffer = _get_buffer_from_owner(p_buffer, src_stages, src_access, BARRIER_MASK_ALL_BARRIERS);
if (!buffer) {
ERR_FAIL_V_MSG(Vector<uint8_t>(), "Buffer is either invalid or this type of buffer can't be retrieved. Only Index and Vertex buffers allow retrieving.");
}
if (driver->api_trait_get(RDD::API_TRAIT_HONORS_PIPELINE_BARRIERS)) {
// Make sure no one is using the buffer -- the "true" gets us to the same command buffer as below.
RDD::BufferBarrier bb;
bb.buffer = buffer->driver_id;
bb.src_access = src_access;
bb.dst_access = RDD::BARRIER_ACCESS_TRANSFER_READ_BIT;
bb.size = buffer->size;
driver->command_pipeline_barrier(frames[frame].draw_command_buffer, src_stages, RDD::PIPELINE_STAGE_TRANSFER_BIT, {}, bb, {});
}
// Size of buffer to retrieve.
if (!p_size) {
p_size = buffer->size;
} else {
ERR_FAIL_COND_V_MSG(p_size + p_offset > buffer->size, Vector<uint8_t>(),
"Size is larger than the buffer.");
}
RDD::BufferID tmp_buffer = driver->buffer_create(buffer->size, RDD::BUFFER_USAGE_TRANSFER_TO_BIT, RDD::MEMORY_ALLOCATION_TYPE_CPU);
ERR_FAIL_COND_V(!tmp_buffer, Vector<uint8_t>());
RDD::BufferCopyRegion region;
region.src_offset = p_offset;
region.size = p_size;
driver->command_copy_buffer(frames[frame].draw_command_buffer, buffer->driver_id, tmp_buffer, region);
// Flush everything so memory can be safely mapped.
_flush(true);
uint8_t *buffer_mem = driver->buffer_map(tmp_buffer);
ERR_FAIL_COND_V(!buffer_mem, Vector<uint8_t>());
Vector<uint8_t> buffer_data;
{
buffer_data.resize(p_size);
uint8_t *w = buffer_data.ptrw();
memcpy(w, buffer_mem, p_size);
}
driver->buffer_unmap(tmp_buffer);
driver->buffer_free(tmp_buffer);
return buffer_data;
}
RID RenderingDevice::storage_buffer_create(uint32_t p_size_bytes, const Vector<uint8_t> &p_data, BitField<StorageBufferUsage> p_usage) {
_THREAD_SAFE_METHOD_
ERR_FAIL_COND_V(p_data.size() && (uint32_t)p_data.size() != p_size_bytes, RID());
Buffer buffer;
buffer.size = p_size_bytes;
buffer.usage = (RDD::BUFFER_USAGE_TRANSFER_FROM_BIT | RDD::BUFFER_USAGE_TRANSFER_TO_BIT | RDD::BUFFER_USAGE_STORAGE_BIT);
if (p_usage.has_flag(STORAGE_BUFFER_USAGE_DISPATCH_INDIRECT)) {
buffer.usage.set_flag(RDD::BUFFER_USAGE_INDIRECT_BIT);
}
buffer.driver_id = driver->buffer_create(buffer.size, buffer.usage, RDD::MEMORY_ALLOCATION_TYPE_GPU);
ERR_FAIL_COND_V(!buffer.driver_id, RID());
if (p_data.size()) {
uint64_t data_size = p_data.size();
const uint8_t *r = p_data.ptr();
_buffer_update(&buffer, 0, r, data_size);
if (driver->api_trait_get(RDD::API_TRAIT_HONORS_PIPELINE_BARRIERS)) {
RDD::BufferBarrier bb;
bb.buffer = buffer.driver_id;
bb.src_access = RDD::BARRIER_ACCESS_TRANSFER_WRITE_BIT;
bb.dst_access = (RDD::BARRIER_ACCESS_SHADER_READ_BIT | RDD::BARRIER_ACCESS_SHADER_WRITE_BIT);
bb.size = data_size;
driver->command_pipeline_barrier(frames[frame].setup_command_buffer, RDD::PIPELINE_STAGE_TRANSFER_BIT, RDD::PIPELINE_STAGE_VERTEX_SHADER_BIT | RDD::PIPELINE_STAGE_FRAGMENT_SHADER_BIT | RDD::PIPELINE_STAGE_COMPUTE_SHADER_BIT, {}, bb, {});
}
}
buffer_memory += buffer.size;
return storage_buffer_owner.make_rid(buffer);
}
RID RenderingDevice::texture_buffer_create(uint32_t p_size_elements, DataFormat p_format, const Vector<uint8_t> &p_data) {
_THREAD_SAFE_METHOD_
uint32_t element_size = get_format_vertex_size(p_format);
ERR_FAIL_COND_V_MSG(element_size == 0, RID(), "Format requested is not supported for texture buffers");
uint64_t size_bytes = uint64_t(element_size) * p_size_elements;
ERR_FAIL_COND_V(p_data.size() && (uint32_t)p_data.size() != size_bytes, RID());
Buffer texture_buffer;
texture_buffer.size = size_bytes;
BitField<RDD::BufferUsageBits> usage = (RDD::BUFFER_USAGE_TRANSFER_FROM_BIT | RDD::BUFFER_USAGE_TRANSFER_TO_BIT | RDD::BUFFER_USAGE_TEXEL_BIT);
texture_buffer.driver_id = driver->buffer_create(size_bytes, usage, RDD::MEMORY_ALLOCATION_TYPE_GPU);
ERR_FAIL_COND_V(!texture_buffer.driver_id, RID());
bool ok = driver->buffer_set_texel_format(texture_buffer.driver_id, p_format);
if (!ok) {
driver->buffer_free(texture_buffer.driver_id);
ERR_FAIL_V(RID());
}
if (p_data.size()) {
_buffer_update(&texture_buffer, 0, p_data.ptr(), p_data.size());
if (driver->api_trait_get(RDD::API_TRAIT_HONORS_PIPELINE_BARRIERS)) {
RDD::BufferBarrier bb;
bb.buffer = texture_buffer.driver_id;
bb.src_access = RDD::BARRIER_ACCESS_TRANSFER_WRITE_BIT;
bb.dst_access = RDD::BARRIER_ACCESS_SHADER_READ_BIT;
bb.size = size_bytes;
driver->command_pipeline_barrier(frames[frame].setup_command_buffer, RDD::PIPELINE_STAGE_TRANSFER_BIT, (RDD::PIPELINE_STAGE_VERTEX_SHADER_BIT | RDD::PIPELINE_STAGE_FRAGMENT_SHADER_BIT | RDD::PIPELINE_STAGE_COMPUTE_SHADER_BIT), {}, bb, {});
}
}
buffer_memory += size_bytes;
RID id = texture_buffer_owner.make_rid(texture_buffer);
#ifdef DEV_ENABLED
set_resource_name(id, "RID:" + itos(id.get_id()));
#endif
return id;
}
/*****************/
/**** TEXTURE ****/
/*****************/
RID RenderingDevice::texture_create(const TextureFormat &p_format, const TextureView &p_view, const Vector<Vector<uint8_t>> &p_data) {
_THREAD_SAFE_METHOD_
// Some adjustments will happen.
TextureFormat format = p_format;
if (format.shareable_formats.size()) {
ERR_FAIL_COND_V_MSG(format.shareable_formats.find(format.format) == -1, RID(),
"If supplied a list of shareable formats, the current format must be present in the list");
ERR_FAIL_COND_V_MSG(p_view.format_override != DATA_FORMAT_MAX && format.shareable_formats.find(p_view.format_override) == -1, RID(),
"If supplied a list of shareable formats, the current view format override must be present in the list");
}
ERR_FAIL_INDEX_V(format.texture_type, RDD::TEXTURE_TYPE_MAX, RID());
ERR_FAIL_COND_V_MSG(format.width < 1, RID(), "Width must be equal or greater than 1 for all textures");
if (format.texture_type != TEXTURE_TYPE_1D && format.texture_type != TEXTURE_TYPE_1D_ARRAY) {
ERR_FAIL_COND_V_MSG(format.height < 1, RID(), "Height must be equal or greater than 1 for 2D and 3D textures");
}
if (format.texture_type == TEXTURE_TYPE_3D) {
ERR_FAIL_COND_V_MSG(format.depth < 1, RID(), "Depth must be equal or greater than 1 for 3D textures");
}
ERR_FAIL_COND_V(format.mipmaps < 1, RID());
if (format.texture_type == TEXTURE_TYPE_1D_ARRAY || format.texture_type == TEXTURE_TYPE_2D_ARRAY || format.texture_type == TEXTURE_TYPE_CUBE_ARRAY || format.texture_type == TEXTURE_TYPE_CUBE) {
ERR_FAIL_COND_V_MSG(format.array_layers < 1, RID(),
"Amount of layers must be equal or greater than 1 for arrays and cubemaps.");
ERR_FAIL_COND_V_MSG((format.texture_type == TEXTURE_TYPE_CUBE_ARRAY || format.texture_type == TEXTURE_TYPE_CUBE) && (format.array_layers % 6) != 0, RID(),
"Cubemap and cubemap array textures must provide a layer number that is multiple of 6");
} else {
format.array_layers = 1;
}
ERR_FAIL_INDEX_V(format.samples, TEXTURE_SAMPLES_MAX, RID());
format.height = format.texture_type != TEXTURE_TYPE_1D && format.texture_type != TEXTURE_TYPE_1D_ARRAY ? format.height : 1;
format.depth = format.texture_type == TEXTURE_TYPE_3D ? format.depth : 1;
uint32_t required_mipmaps = get_image_required_mipmaps(format.width, format.height, format.depth);
ERR_FAIL_COND_V_MSG(required_mipmaps < format.mipmaps, RID(),
"Too many mipmaps requested for texture format and dimensions (" + itos(format.mipmaps) + "), maximum allowed: (" + itos(required_mipmaps) + ").");
if (p_data.size()) {
ERR_FAIL_COND_V_MSG(!(format.usage_bits & TEXTURE_USAGE_CAN_UPDATE_BIT), RID(),
"Texture needs the TEXTURE_USAGE_CAN_UPDATE_BIT usage flag in order to be updated at initialization or later");
ERR_FAIL_COND_V_MSG(p_data.size() != (int)format.array_layers, RID(),
"Default supplied data for image format is of invalid length (" + itos(p_data.size()) + "), should be (" + itos(format.array_layers) + ").");
for (uint32_t i = 0; i < format.array_layers; i++) {
uint32_t required_size = get_image_format_required_size(format.format, format.width, format.height, format.depth, format.mipmaps);
ERR_FAIL_COND_V_MSG((uint32_t)p_data[i].size() != required_size, RID(),
"Data for slice index " + itos(i) + " (mapped to layer " + itos(i) + ") differs in size (supplied: " + itos(p_data[i].size()) + ") than what is required by the format (" + itos(required_size) + ").");
}
}
{
// Validate that this image is supported for the intended use.
bool cpu_readable = (format.usage_bits & RDD::TEXTURE_USAGE_CPU_READ_BIT);
BitField<RDD::TextureUsageBits> supported_usage = driver->texture_get_usages_supported_by_format(format.format, cpu_readable);
String format_text = "'" + String(FORMAT_NAMES[format.format]) + "'";
if ((format.usage_bits & TEXTURE_USAGE_SAMPLING_BIT) && !supported_usage.has_flag(TEXTURE_USAGE_SAMPLING_BIT)) {
ERR_FAIL_V_MSG(RID(), "Format " + format_text + " does not support usage as sampling texture.");
}
if ((format.usage_bits & TEXTURE_USAGE_COLOR_ATTACHMENT_BIT) && !supported_usage.has_flag(TEXTURE_USAGE_COLOR_ATTACHMENT_BIT)) {
ERR_FAIL_V_MSG(RID(), "Format " + format_text + " does not support usage as color attachment.");
}
if ((format.usage_bits & TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) && !supported_usage.has_flag(TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
ERR_FAIL_V_MSG(RID(), "Format " + format_text + " does not support usage as depth-stencil attachment.");
}
if ((format.usage_bits & TEXTURE_USAGE_STORAGE_BIT) && !supported_usage.has_flag(TEXTURE_USAGE_STORAGE_BIT)) {
ERR_FAIL_V_MSG(RID(), "Format " + format_text + " does not support usage as storage image.");
}
if ((format.usage_bits & TEXTURE_USAGE_STORAGE_ATOMIC_BIT) && !supported_usage.has_flag(TEXTURE_USAGE_STORAGE_ATOMIC_BIT)) {
ERR_FAIL_V_MSG(RID(), "Format " + format_text + " does not support usage as atomic storage image.");
}
if ((format.usage_bits & TEXTURE_USAGE_VRS_ATTACHMENT_BIT) && !supported_usage.has_flag(TEXTURE_USAGE_VRS_ATTACHMENT_BIT)) {
ERR_FAIL_V_MSG(RID(), "Format " + format_text + " does not support usage as VRS attachment.");
}
}
// Transfer and validate view info.
RDD::TextureView tv;
if (p_view.format_override == DATA_FORMAT_MAX) {
tv.format = format.format;
} else {
ERR_FAIL_INDEX_V(p_view.format_override, DATA_FORMAT_MAX, RID());
tv.format = p_view.format_override;
}
ERR_FAIL_INDEX_V(p_view.swizzle_r, TEXTURE_SWIZZLE_MAX, RID());
ERR_FAIL_INDEX_V(p_view.swizzle_g, TEXTURE_SWIZZLE_MAX, RID());
ERR_FAIL_INDEX_V(p_view.swizzle_b, TEXTURE_SWIZZLE_MAX, RID());
ERR_FAIL_INDEX_V(p_view.swizzle_a, TEXTURE_SWIZZLE_MAX, RID());
tv.swizzle_r = p_view.swizzle_r;
tv.swizzle_g = p_view.swizzle_g;
tv.swizzle_b = p_view.swizzle_b;
tv.swizzle_a = p_view.swizzle_a;
// Create.
Texture texture;
texture.driver_id = driver->texture_create(format, tv);
ERR_FAIL_COND_V(!texture.driver_id, RID());
texture.type = format.texture_type;
texture.format = format.format;
texture.width = format.width;
texture.height = format.height;
texture.depth = format.depth;
texture.layers = format.array_layers;
texture.mipmaps = format.mipmaps;
texture.base_mipmap = 0;
texture.base_layer = 0;
texture.is_resolve_buffer = format.is_resolve_buffer;
texture.usage_flags = format.usage_bits;
texture.samples = format.samples;
texture.allowed_shared_formats = format.shareable_formats;
// Set base layout based on usage priority.
if ((format.usage_bits & TEXTURE_USAGE_SAMPLING_BIT)) {
// First priority, readable.
texture.layout = RDD::TEXTURE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
} else if ((format.usage_bits & TEXTURE_USAGE_STORAGE_BIT)) {
// Second priority, storage.
texture.layout = RDD::TEXTURE_LAYOUT_GENERAL;
} else if ((format.usage_bits & TEXTURE_USAGE_COLOR_ATTACHMENT_BIT)) {
// Third priority, color or depth.
texture.layout = RDD::TEXTURE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
} else if ((format.usage_bits & TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
texture.layout = RDD::TEXTURE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
} else {
texture.layout = RDD::TEXTURE_LAYOUT_GENERAL;
}
if ((format.usage_bits & TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
texture.read_aspect_flags.set_flag(RDD::TEXTURE_ASPECT_DEPTH_BIT);
texture.barrier_aspect_flags.set_flag(RDD::TEXTURE_ASPECT_DEPTH_BIT);
if (format_has_stencil(format.format)) {
texture.barrier_aspect_flags.set_flag(RDD::TEXTURE_ASPECT_STENCIL_BIT);
}
} else {
texture.read_aspect_flags.set_flag(RDD::TEXTURE_ASPECT_COLOR_BIT);
texture.barrier_aspect_flags.set_flag(RDD::TEXTURE_ASPECT_COLOR_BIT);
}
texture.bound = false;
// Barrier to set layout.
if (driver->api_trait_get(RDD::API_TRAIT_HONORS_PIPELINE_BARRIERS)) {
RDD::TextureBarrier tb;
tb.texture = texture.driver_id;
tb.dst_access = RDD::BARRIER_ACCESS_SHADER_READ_BIT;
tb.prev_layout = RDD::TEXTURE_LAYOUT_UNDEFINED;
tb.next_layout = texture.layout;
tb.subresources.aspect = texture.barrier_aspect_flags;
tb.subresources.mipmap_count = format.mipmaps;
tb.subresources.layer_count = format.array_layers;
driver->command_pipeline_barrier(frames[frame].setup_command_buffer, RDD::PIPELINE_STAGE_TOP_OF_PIPE_BIT, RDD::PIPELINE_STAGE_VERTEX_SHADER_BIT | RDD::PIPELINE_STAGE_FRAGMENT_SHADER_BIT | RDD::PIPELINE_STAGE_COMPUTE_SHADER_BIT, {}, {}, tb);
}
texture_memory += driver->texture_get_allocation_size(texture.driver_id);
RID id = texture_owner.make_rid(texture);
#ifdef DEV_ENABLED
set_resource_name(id, "RID:" + itos(id.get_id()));
#endif
if (p_data.size()) {
for (uint32_t i = 0; i < p_format.array_layers; i++) {
_texture_update(id, i, p_data[i], BARRIER_MASK_ALL_BARRIERS, true);
}
}
return id;
}
RID RenderingDevice::texture_create_shared(const TextureView &p_view, RID p_with_texture) {
_THREAD_SAFE_METHOD_
Texture *src_texture = texture_owner.get_or_null(p_with_texture);
ERR_FAIL_COND_V(!src_texture, RID());
if (src_texture->owner.is_valid()) { // Ahh this is a share. The RenderingDeviceDriver needs the actual owner.
p_with_texture = src_texture->owner;
src_texture = texture_owner.get_or_null(src_texture->owner);
ERR_FAIL_COND_V(!src_texture, RID()); // This is a bug.
}
// Create view.
Texture texture = *src_texture;
RDD::TextureView tv;
if (p_view.format_override == DATA_FORMAT_MAX || p_view.format_override == texture.format) {
tv.format = texture.format;
} else {
ERR_FAIL_INDEX_V(p_view.format_override, DATA_FORMAT_MAX, RID());
ERR_FAIL_COND_V_MSG(texture.allowed_shared_formats.find(p_view.format_override) == -1, RID(),
"Format override is not in the list of allowed shareable formats for original texture.");
tv.format = p_view.format_override;
}
tv.swizzle_r = p_view.swizzle_r;
tv.swizzle_g = p_view.swizzle_g;
tv.swizzle_b = p_view.swizzle_b;
tv.swizzle_a = p_view.swizzle_a;
texture.driver_id = driver->texture_create_shared(texture.driver_id, tv);
ERR_FAIL_COND_V(!texture.driver_id, RID());
texture.owner = p_with_texture;
RID id = texture_owner.make_rid(texture);
#ifdef DEV_ENABLED
set_resource_name(id, "RID:" + itos(id.get_id()));
#endif
_add_dependency(id, p_with_texture);
return id;
}
RID RenderingDevice::texture_create_from_extension(TextureType p_type, DataFormat p_format, TextureSamples p_samples, BitField<RenderingDevice::TextureUsageBits> p_usage, uint64_t p_image, uint64_t p_width, uint64_t p_height, uint64_t p_depth, uint64_t p_layers) {
_THREAD_SAFE_METHOD_
// This method creates a texture object using a VkImage created by an extension, module or other external source (OpenXR uses this).
Texture texture;
texture.type = p_type;
texture.format = p_format;
texture.samples = p_samples;
texture.width = p_width;
texture.height = p_height;
texture.depth = p_depth;
texture.layers = p_layers;
texture.mipmaps = 1;
texture.usage_flags = p_usage;
texture.base_mipmap = 0;
texture.base_layer = 0;
texture.allowed_shared_formats.push_back(RD::DATA_FORMAT_R8G8B8A8_UNORM);
texture.allowed_shared_formats.push_back(RD::DATA_FORMAT_R8G8B8A8_SRGB);
// Set base layout based on usage priority.
if (p_usage.has_flag(TEXTURE_USAGE_SAMPLING_BIT)) {
// First priority, readable.
texture.layout = RDD::TEXTURE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
} else if (p_usage.has_flag(TEXTURE_USAGE_STORAGE_BIT)) {
// Second priority, storage.
texture.layout = RDD::TEXTURE_LAYOUT_GENERAL;
} else if (p_usage.has_flag(TEXTURE_USAGE_COLOR_ATTACHMENT_BIT)) {
// Third priority, color or depth.