1380 lines
50 KiB
Text
1380 lines
50 KiB
Text
/**************************************************************************/
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/* metal_objects.mm */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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/**************************************************************************/
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/* */
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/* Portions of this code were derived from MoltenVK. */
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/* */
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/* Copyright (c) 2015-2023 The Brenwill Workshop Ltd. */
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/* (http://www.brenwill.com) */
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/* */
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/* Licensed under the Apache License, Version 2.0 (the "License"); */
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/* you may not use this file except in compliance with the License. */
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/* You may obtain a copy of the License at */
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/* */
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/* http://www.apache.org/licenses/LICENSE-2.0 */
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/* */
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/* Unless required by applicable law or agreed to in writing, software */
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/* distributed under the License is distributed on an "AS IS" BASIS, */
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/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
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/* implied. See the License for the specific language governing */
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/* permissions and limitations under the License. */
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/**************************************************************************/
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#import "metal_objects.h"
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#import "pixel_formats.h"
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#import "rendering_device_driver_metal.h"
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void MDCommandBuffer::begin() {
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DEV_ASSERT(commandBuffer == nil);
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commandBuffer = queue.commandBuffer;
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}
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void MDCommandBuffer::end() {
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switch (type) {
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case MDCommandBufferStateType::None:
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return;
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case MDCommandBufferStateType::Render:
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return render_end_pass();
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case MDCommandBufferStateType::Compute:
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return _end_compute_dispatch();
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case MDCommandBufferStateType::Blit:
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return _end_blit();
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}
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}
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void MDCommandBuffer::commit() {
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end();
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[commandBuffer commit];
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commandBuffer = nil;
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}
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void MDCommandBuffer::bind_pipeline(RDD::PipelineID p_pipeline) {
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MDPipeline *p = (MDPipeline *)(p_pipeline.id);
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// End current encoder if it is a compute encoder or blit encoder,
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// as they do not have a defined end boundary in the RDD like render.
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if (type == MDCommandBufferStateType::Compute) {
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_end_compute_dispatch();
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} else if (type == MDCommandBufferStateType::Blit) {
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_end_blit();
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}
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if (p->type == MDPipelineType::Render) {
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DEV_ASSERT(type == MDCommandBufferStateType::Render);
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MDRenderPipeline *rp = (MDRenderPipeline *)p;
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if (render.encoder == nil) {
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// This condition occurs when there are no attachments when calling render_next_subpass()
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// and is due to the SUPPORTS_FRAGMENT_SHADER_WITH_ONLY_SIDE_EFFECTS flag.
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render.desc.defaultRasterSampleCount = static_cast<NSUInteger>(rp->sample_count);
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// NOTE(sgc): This is to test rdar://FB13605547 and will be deleted once fix is confirmed.
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#if 0
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if (render.pipeline->sample_count == 4) {
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static id<MTLTexture> tex = nil;
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static id<MTLTexture> res_tex = nil;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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Size2i sz = render.frameBuffer->size;
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MTLTextureDescriptor *td = [MTLTextureDescriptor texture2DDescriptorWithPixelFormat:MTLPixelFormatRGBA8Unorm width:sz.width height:sz.height mipmapped:NO];
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td.textureType = MTLTextureType2DMultisample;
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td.storageMode = MTLStorageModeMemoryless;
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td.usage = MTLTextureUsageRenderTarget;
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td.sampleCount = render.pipeline->sample_count;
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tex = [device_driver->get_device() newTextureWithDescriptor:td];
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td.textureType = MTLTextureType2D;
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td.storageMode = MTLStorageModePrivate;
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td.usage = MTLTextureUsageShaderWrite;
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td.sampleCount = 1;
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res_tex = [device_driver->get_device() newTextureWithDescriptor:td];
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});
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render.desc.colorAttachments[0].texture = tex;
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render.desc.colorAttachments[0].loadAction = MTLLoadActionClear;
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render.desc.colorAttachments[0].storeAction = MTLStoreActionMultisampleResolve;
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render.desc.colorAttachments[0].resolveTexture = res_tex;
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}
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#endif
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render.encoder = [commandBuffer renderCommandEncoderWithDescriptor:render.desc];
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}
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if (render.pipeline != rp) {
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render.dirty.set_flag((RenderState::DirtyFlag)(RenderState::DIRTY_PIPELINE | RenderState::DIRTY_RASTER));
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// Mark all uniforms as dirty, as variants of a shader pipeline may have a different entry point ABI,
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// due to setting force_active_argument_buffer_resources = true for spirv_cross::CompilerMSL::Options.
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// As a result, uniform sets with the same layout will generate redundant binding warnings when
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// capturing a Metal frame in Xcode.
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//
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// If we don't mark as dirty, then some bindings will generate a validation error.
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render.mark_uniforms_dirty();
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if (render.pipeline != nullptr && render.pipeline->depth_stencil != rp->depth_stencil) {
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render.dirty.set_flag(RenderState::DIRTY_DEPTH);
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}
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render.pipeline = rp;
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}
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} else if (p->type == MDPipelineType::Compute) {
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DEV_ASSERT(type == MDCommandBufferStateType::None);
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type = MDCommandBufferStateType::Compute;
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compute.pipeline = (MDComputePipeline *)p;
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compute.encoder = commandBuffer.computeCommandEncoder;
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[compute.encoder setComputePipelineState:compute.pipeline->state];
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}
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}
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id<MTLBlitCommandEncoder> MDCommandBuffer::blit_command_encoder() {
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switch (type) {
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case MDCommandBufferStateType::None:
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break;
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case MDCommandBufferStateType::Render:
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render_end_pass();
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break;
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case MDCommandBufferStateType::Compute:
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_end_compute_dispatch();
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break;
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case MDCommandBufferStateType::Blit:
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return blit.encoder;
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}
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type = MDCommandBufferStateType::Blit;
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blit.encoder = commandBuffer.blitCommandEncoder;
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return blit.encoder;
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}
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void MDCommandBuffer::encodeRenderCommandEncoderWithDescriptor(MTLRenderPassDescriptor *p_desc, NSString *p_label) {
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switch (type) {
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case MDCommandBufferStateType::None:
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break;
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case MDCommandBufferStateType::Render:
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render_end_pass();
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break;
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case MDCommandBufferStateType::Compute:
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_end_compute_dispatch();
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break;
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case MDCommandBufferStateType::Blit:
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_end_blit();
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break;
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}
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id<MTLRenderCommandEncoder> enc = [commandBuffer renderCommandEncoderWithDescriptor:p_desc];
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if (p_label != nil) {
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[enc pushDebugGroup:p_label];
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[enc popDebugGroup];
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}
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[enc endEncoding];
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}
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#pragma mark - Render Commands
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void MDCommandBuffer::render_bind_uniform_set(RDD::UniformSetID p_uniform_set, RDD::ShaderID p_shader, uint32_t p_set_index) {
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DEV_ASSERT(type == MDCommandBufferStateType::Render);
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MDUniformSet *set = (MDUniformSet *)(p_uniform_set.id);
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if (render.uniform_sets.size() <= set->index) {
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uint32_t s = render.uniform_sets.size();
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render.uniform_sets.resize(set->index + 1);
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// Set intermediate values to null.
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std::fill(&render.uniform_sets[s], &render.uniform_sets[set->index] + 1, nullptr);
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}
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if (render.uniform_sets[set->index] != set) {
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render.dirty.set_flag(RenderState::DIRTY_UNIFORMS);
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render.uniform_set_mask |= 1ULL << set->index;
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render.uniform_sets[set->index] = set;
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}
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}
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void MDCommandBuffer::render_clear_attachments(VectorView<RDD::AttachmentClear> p_attachment_clears, VectorView<Rect2i> p_rects) {
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DEV_ASSERT(type == MDCommandBufferStateType::Render);
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uint32_t vertex_count = p_rects.size() * 6;
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simd::float4 vertices[vertex_count];
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simd::float4 clear_colors[ClearAttKey::ATTACHMENT_COUNT];
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Size2i size = render.frameBuffer->size;
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Rect2i render_area = render.clip_to_render_area({ { 0, 0 }, size });
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size = Size2i(render_area.position.x + render_area.size.width, render_area.position.y + render_area.size.height);
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_populate_vertices(vertices, size, p_rects);
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ClearAttKey key;
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key.sample_count = render.pass->get_sample_count();
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float depth_value = 0;
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uint32_t stencil_value = 0;
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for (uint32_t i = 0; i < p_attachment_clears.size(); i++) {
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RDD::AttachmentClear const &attClear = p_attachment_clears[i];
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uint32_t attachment_index;
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if (attClear.aspect.has_flag(RDD::TEXTURE_ASPECT_COLOR_BIT)) {
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attachment_index = attClear.color_attachment;
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} else {
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attachment_index = render.pass->subpasses[render.current_subpass].depth_stencil_reference.attachment;
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}
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MDAttachment const &mda = render.pass->attachments[attachment_index];
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if (attClear.aspect.has_flag(RDD::TEXTURE_ASPECT_COLOR_BIT)) {
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key.set_color_format(attachment_index, mda.format);
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clear_colors[attachment_index] = {
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attClear.value.color.r,
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attClear.value.color.g,
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attClear.value.color.b,
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attClear.value.color.a
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};
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}
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if (attClear.aspect.has_flag(RDD::TEXTURE_ASPECT_DEPTH_BIT)) {
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key.set_depth_format(mda.format);
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depth_value = attClear.value.depth;
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}
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if (attClear.aspect.has_flag(RDD::TEXTURE_ASPECT_STENCIL_BIT)) {
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key.set_stencil_format(mda.format);
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stencil_value = attClear.value.stencil;
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}
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}
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clear_colors[ClearAttKey::DEPTH_INDEX] = {
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depth_value,
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depth_value,
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depth_value,
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depth_value
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};
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id<MTLRenderCommandEncoder> enc = render.encoder;
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MDResourceCache &cache = device_driver->get_resource_cache();
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[enc pushDebugGroup:@"ClearAttachments"];
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[enc setRenderPipelineState:cache.get_clear_render_pipeline_state(key, nil)];
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[enc setDepthStencilState:cache.get_depth_stencil_state(
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key.is_depth_enabled(),
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key.is_stencil_enabled())];
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[enc setStencilReferenceValue:stencil_value];
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[enc setCullMode:MTLCullModeNone];
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[enc setTriangleFillMode:MTLTriangleFillModeFill];
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[enc setDepthBias:0 slopeScale:0 clamp:0];
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[enc setViewport:{ 0, 0, (double)size.width, (double)size.height, 0.0, 1.0 }];
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[enc setScissorRect:{ 0, 0, (NSUInteger)size.width, (NSUInteger)size.height }];
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[enc setVertexBytes:clear_colors length:sizeof(clear_colors) atIndex:0];
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[enc setFragmentBytes:clear_colors length:sizeof(clear_colors) atIndex:0];
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[enc setVertexBytes:vertices length:vertex_count * sizeof(vertices[0]) atIndex:device_driver->get_metal_buffer_index_for_vertex_attribute_binding(VERT_CONTENT_BUFFER_INDEX)];
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[enc drawPrimitives:MTLPrimitiveTypeTriangle vertexStart:0 vertexCount:vertex_count];
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[enc popDebugGroup];
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render.dirty.set_flag((RenderState::DirtyFlag)(RenderState::DIRTY_PIPELINE | RenderState::DIRTY_DEPTH | RenderState::DIRTY_RASTER));
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render.mark_uniforms_dirty({ 0 }); // Mark index 0 dirty, if there is already a binding for index 0.
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render.mark_viewport_dirty();
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render.mark_scissors_dirty();
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render.mark_vertex_dirty();
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}
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void MDCommandBuffer::_render_set_dirty_state() {
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_render_bind_uniform_sets();
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if (render.dirty.has_flag(RenderState::DIRTY_PIPELINE)) {
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[render.encoder setRenderPipelineState:render.pipeline->state];
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}
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if (render.dirty.has_flag(RenderState::DIRTY_VIEWPORT)) {
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[render.encoder setViewports:render.viewports.ptr() count:render.viewports.size()];
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}
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if (render.dirty.has_flag(RenderState::DIRTY_DEPTH)) {
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[render.encoder setDepthStencilState:render.pipeline->depth_stencil];
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}
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if (render.dirty.has_flag(RenderState::DIRTY_RASTER)) {
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render.pipeline->raster_state.apply(render.encoder);
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}
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if (render.dirty.has_flag(RenderState::DIRTY_SCISSOR) && !render.scissors.is_empty()) {
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size_t len = render.scissors.size();
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MTLScissorRect rects[len];
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for (size_t i = 0; i < len; i++) {
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rects[i] = render.clip_to_render_area(render.scissors[i]);
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}
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[render.encoder setScissorRects:rects count:len];
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}
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if (render.dirty.has_flag(RenderState::DIRTY_BLEND) && render.blend_constants.has_value()) {
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[render.encoder setBlendColorRed:render.blend_constants->r green:render.blend_constants->g blue:render.blend_constants->b alpha:render.blend_constants->a];
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}
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if (render.dirty.has_flag(RenderState::DIRTY_VERTEX)) {
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uint32_t p_binding_count = render.vertex_buffers.size();
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uint32_t first = device_driver->get_metal_buffer_index_for_vertex_attribute_binding(p_binding_count - 1);
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[render.encoder setVertexBuffers:render.vertex_buffers.ptr()
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offsets:render.vertex_offsets.ptr()
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withRange:NSMakeRange(first, p_binding_count)];
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}
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render.dirty.clear();
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}
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void MDCommandBuffer::render_set_viewport(VectorView<Rect2i> p_viewports) {
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render.viewports.resize(p_viewports.size());
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for (uint32_t i = 0; i < p_viewports.size(); i += 1) {
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Rect2i const &vp = p_viewports[i];
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render.viewports[i] = {
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.originX = static_cast<double>(vp.position.x),
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.originY = static_cast<double>(vp.position.y),
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.width = static_cast<double>(vp.size.width),
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.height = static_cast<double>(vp.size.height),
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.znear = 0.0,
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.zfar = 1.0,
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};
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}
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render.dirty.set_flag(RenderState::DIRTY_VIEWPORT);
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}
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void MDCommandBuffer::render_set_scissor(VectorView<Rect2i> p_scissors) {
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render.scissors.resize(p_scissors.size());
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for (uint32_t i = 0; i < p_scissors.size(); i += 1) {
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Rect2i const &vp = p_scissors[i];
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render.scissors[i] = {
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.x = static_cast<NSUInteger>(vp.position.x),
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.y = static_cast<NSUInteger>(vp.position.y),
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.width = static_cast<NSUInteger>(vp.size.width),
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.height = static_cast<NSUInteger>(vp.size.height),
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};
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}
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render.dirty.set_flag(RenderState::DIRTY_SCISSOR);
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}
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void MDCommandBuffer::render_set_blend_constants(const Color &p_constants) {
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DEV_ASSERT(type == MDCommandBufferStateType::Render);
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if (render.blend_constants != p_constants) {
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render.blend_constants = p_constants;
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render.dirty.set_flag(RenderState::DIRTY_BLEND);
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}
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}
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void MDCommandBuffer::_render_bind_uniform_sets() {
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DEV_ASSERT(type == MDCommandBufferStateType::Render);
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if (!render.dirty.has_flag(RenderState::DIRTY_UNIFORMS)) {
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return;
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}
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render.dirty.clear_flag(RenderState::DIRTY_UNIFORMS);
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uint64_t set_uniforms = render.uniform_set_mask;
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render.uniform_set_mask = 0;
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id<MTLRenderCommandEncoder> enc = render.encoder;
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MDRenderShader *shader = render.pipeline->shader;
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id<MTLDevice> device = enc.device;
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while (set_uniforms != 0) {
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// Find the index of the next set bit.
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int index = __builtin_ctzll(set_uniforms);
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// Clear the set bit.
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set_uniforms &= ~(1ULL << index);
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MDUniformSet *set = render.uniform_sets[index];
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if (set == nullptr || set->index >= (uint32_t)shader->sets.size()) {
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continue;
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}
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UniformSet const &set_info = shader->sets[set->index];
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BoundUniformSet &bus = set->boundUniformSetForShader(shader, device);
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for (KeyValue<id<MTLResource>, StageResourceUsage> const &keyval : bus.bound_resources) {
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MTLResourceUsage usage = resource_usage_for_stage(keyval.value, RDD::ShaderStage::SHADER_STAGE_VERTEX);
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if (usage != 0) {
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[enc useResource:keyval.key usage:usage stages:MTLRenderStageVertex];
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}
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usage = resource_usage_for_stage(keyval.value, RDD::ShaderStage::SHADER_STAGE_FRAGMENT);
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if (usage != 0) {
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[enc useResource:keyval.key usage:usage stages:MTLRenderStageFragment];
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}
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}
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// Set the buffer for the vertex stage.
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{
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uint32_t const *offset = set_info.offsets.getptr(RDD::SHADER_STAGE_VERTEX);
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if (offset) {
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[enc setVertexBuffer:bus.buffer offset:*offset atIndex:set->index];
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}
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}
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// Set the buffer for the fragment stage.
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{
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uint32_t const *offset = set_info.offsets.getptr(RDD::SHADER_STAGE_FRAGMENT);
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if (offset) {
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[enc setFragmentBuffer:bus.buffer offset:*offset atIndex:set->index];
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}
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}
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}
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}
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void MDCommandBuffer::_populate_vertices(simd::float4 *p_vertices, Size2i p_fb_size, VectorView<Rect2i> p_rects) {
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uint32_t idx = 0;
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for (uint32_t i = 0; i < p_rects.size(); i++) {
|
|
Rect2i const &rect = p_rects[i];
|
|
idx = _populate_vertices(p_vertices, idx, rect, p_fb_size);
|
|
}
|
|
}
|
|
|
|
uint32_t MDCommandBuffer::_populate_vertices(simd::float4 *p_vertices, uint32_t p_index, Rect2i const &p_rect, Size2i p_fb_size) {
|
|
// Determine the positions of the four edges of the
|
|
// clear rectangle as a fraction of the attachment size.
|
|
float leftPos = (float)(p_rect.position.x) / (float)p_fb_size.width;
|
|
float rightPos = (float)(p_rect.size.width) / (float)p_fb_size.width + leftPos;
|
|
float bottomPos = (float)(p_rect.position.y) / (float)p_fb_size.height;
|
|
float topPos = (float)(p_rect.size.height) / (float)p_fb_size.height + bottomPos;
|
|
|
|
// Transform to clip-space coordinates, which are bounded by (-1.0 < p < 1.0) in clip-space.
|
|
leftPos = (leftPos * 2.0f) - 1.0f;
|
|
rightPos = (rightPos * 2.0f) - 1.0f;
|
|
bottomPos = (bottomPos * 2.0f) - 1.0f;
|
|
topPos = (topPos * 2.0f) - 1.0f;
|
|
|
|
simd::float4 vtx;
|
|
|
|
uint32_t idx = p_index;
|
|
vtx.z = 0.0;
|
|
vtx.w = (float)1;
|
|
|
|
// Top left vertex - First triangle.
|
|
vtx.y = topPos;
|
|
vtx.x = leftPos;
|
|
p_vertices[idx++] = vtx;
|
|
|
|
// Bottom left vertex.
|
|
vtx.y = bottomPos;
|
|
vtx.x = leftPos;
|
|
p_vertices[idx++] = vtx;
|
|
|
|
// Bottom right vertex.
|
|
vtx.y = bottomPos;
|
|
vtx.x = rightPos;
|
|
p_vertices[idx++] = vtx;
|
|
|
|
// Bottom right vertex - Second triangle.
|
|
p_vertices[idx++] = vtx;
|
|
|
|
// Top right vertex.
|
|
vtx.y = topPos;
|
|
vtx.x = rightPos;
|
|
p_vertices[idx++] = vtx;
|
|
|
|
// Top left vertex.
|
|
vtx.y = topPos;
|
|
vtx.x = leftPos;
|
|
p_vertices[idx++] = vtx;
|
|
|
|
return idx;
|
|
}
|
|
|
|
void MDCommandBuffer::render_begin_pass(RDD::RenderPassID p_render_pass, RDD::FramebufferID p_frameBuffer, RDD::CommandBufferType p_cmd_buffer_type, const Rect2i &p_rect, VectorView<RDD::RenderPassClearValue> p_clear_values) {
|
|
DEV_ASSERT(commandBuffer != nil);
|
|
end();
|
|
|
|
MDRenderPass *pass = (MDRenderPass *)(p_render_pass.id);
|
|
MDFrameBuffer *fb = (MDFrameBuffer *)(p_frameBuffer.id);
|
|
|
|
type = MDCommandBufferStateType::Render;
|
|
render.pass = pass;
|
|
render.current_subpass = UINT32_MAX;
|
|
render.render_area = p_rect;
|
|
render.clear_values.resize(p_clear_values.size());
|
|
for (uint32_t i = 0; i < p_clear_values.size(); i++) {
|
|
render.clear_values[i] = p_clear_values[i];
|
|
}
|
|
render.is_rendering_entire_area = (p_rect.position == Point2i(0, 0)) && p_rect.size == fb->size;
|
|
render.frameBuffer = fb;
|
|
render_next_subpass();
|
|
}
|
|
|
|
void MDCommandBuffer::_end_render_pass() {
|
|
MDFrameBuffer const &fb_info = *render.frameBuffer;
|
|
MDRenderPass const &pass_info = *render.pass;
|
|
MDSubpass const &subpass = pass_info.subpasses[render.current_subpass];
|
|
|
|
PixelFormats &pf = device_driver->get_pixel_formats();
|
|
|
|
for (uint32_t i = 0; i < subpass.resolve_references.size(); i++) {
|
|
uint32_t color_index = subpass.color_references[i].attachment;
|
|
uint32_t resolve_index = subpass.resolve_references[i].attachment;
|
|
DEV_ASSERT((color_index == RDD::AttachmentReference::UNUSED) == (resolve_index == RDD::AttachmentReference::UNUSED));
|
|
if (color_index == RDD::AttachmentReference::UNUSED || !fb_info.textures[color_index]) {
|
|
continue;
|
|
}
|
|
|
|
id<MTLTexture> resolve_tex = fb_info.textures[resolve_index];
|
|
|
|
CRASH_COND_MSG(!flags::all(pf.getCapabilities(resolve_tex.pixelFormat), kMTLFmtCapsResolve), "not implemented: unresolvable texture types");
|
|
// see: https://github.com/KhronosGroup/MoltenVK/blob/d20d13fe2735adb845636a81522df1b9d89c0fba/MoltenVK/MoltenVK/GPUObjects/MVKRenderPass.mm#L407
|
|
}
|
|
|
|
[render.encoder endEncoding];
|
|
render.encoder = nil;
|
|
}
|
|
|
|
void MDCommandBuffer::_render_clear_render_area() {
|
|
MDRenderPass const &pass = *render.pass;
|
|
MDSubpass const &subpass = pass.subpasses[render.current_subpass];
|
|
|
|
// First determine attachments that should be cleared.
|
|
LocalVector<RDD::AttachmentClear> clears;
|
|
clears.reserve(subpass.color_references.size() + /* possible depth stencil clear */ 1);
|
|
|
|
for (uint32_t i = 0; i < subpass.color_references.size(); i++) {
|
|
uint32_t idx = subpass.color_references[i].attachment;
|
|
if (idx != RDD::AttachmentReference::UNUSED && pass.attachments[idx].shouldClear(subpass, false)) {
|
|
clears.push_back({ .aspect = RDD::TEXTURE_ASPECT_COLOR_BIT, .color_attachment = idx, .value = render.clear_values[idx] });
|
|
}
|
|
}
|
|
uint32_t ds_index = subpass.depth_stencil_reference.attachment;
|
|
MDAttachment const &attachment = pass.attachments[ds_index];
|
|
bool shouldClearDepth = (ds_index != RDD::AttachmentReference::UNUSED && attachment.shouldClear(subpass, false));
|
|
bool shouldClearStencil = (ds_index != RDD::AttachmentReference::UNUSED && attachment.shouldClear(subpass, true));
|
|
if (shouldClearDepth || shouldClearStencil) {
|
|
BitField<RDD::TextureAspectBits> bits;
|
|
if (shouldClearDepth && attachment.type & MDAttachmentType::Depth) {
|
|
bits.set_flag(RDD::TEXTURE_ASPECT_DEPTH_BIT);
|
|
}
|
|
if (shouldClearStencil && attachment.type & MDAttachmentType::Stencil) {
|
|
bits.set_flag(RDD::TEXTURE_ASPECT_STENCIL_BIT);
|
|
}
|
|
|
|
clears.push_back({ .aspect = bits, .color_attachment = ds_index, .value = render.clear_values[ds_index] });
|
|
}
|
|
|
|
if (clears.is_empty()) {
|
|
return;
|
|
}
|
|
|
|
render_clear_attachments(clears, { render.render_area });
|
|
}
|
|
|
|
void MDCommandBuffer::render_next_subpass() {
|
|
DEV_ASSERT(commandBuffer != nil);
|
|
|
|
if (render.current_subpass == UINT32_MAX) {
|
|
render.current_subpass = 0;
|
|
} else {
|
|
_end_render_pass();
|
|
render.current_subpass++;
|
|
}
|
|
|
|
MDFrameBuffer const &fb = *render.frameBuffer;
|
|
MDRenderPass const &pass = *render.pass;
|
|
MDSubpass const &subpass = pass.subpasses[render.current_subpass];
|
|
|
|
MTLRenderPassDescriptor *desc = MTLRenderPassDescriptor.renderPassDescriptor;
|
|
PixelFormats &pf = device_driver->get_pixel_formats();
|
|
|
|
uint32_t attachmentCount = 0;
|
|
for (uint32_t i = 0; i < subpass.color_references.size(); i++) {
|
|
uint32_t idx = subpass.color_references[i].attachment;
|
|
if (idx == RDD::AttachmentReference::UNUSED) {
|
|
continue;
|
|
}
|
|
|
|
attachmentCount += 1;
|
|
MTLRenderPassColorAttachmentDescriptor *ca = desc.colorAttachments[i];
|
|
|
|
uint32_t resolveIdx = subpass.resolve_references.is_empty() ? RDD::AttachmentReference::UNUSED : subpass.resolve_references[i].attachment;
|
|
bool has_resolve = resolveIdx != RDD::AttachmentReference::UNUSED;
|
|
bool can_resolve = true;
|
|
if (resolveIdx != RDD::AttachmentReference::UNUSED) {
|
|
id<MTLTexture> resolve_tex = fb.textures[resolveIdx];
|
|
can_resolve = flags::all(pf.getCapabilities(resolve_tex.pixelFormat), kMTLFmtCapsResolve);
|
|
if (can_resolve) {
|
|
ca.resolveTexture = resolve_tex;
|
|
} else {
|
|
CRASH_NOW_MSG("unimplemented: using a texture format that is not supported for resolve");
|
|
}
|
|
}
|
|
|
|
MDAttachment const &attachment = pass.attachments[idx];
|
|
|
|
id<MTLTexture> tex = fb.textures[idx];
|
|
if ((attachment.type & MDAttachmentType::Color)) {
|
|
if (attachment.configureDescriptor(ca, pf, subpass, tex, render.is_rendering_entire_area, has_resolve, can_resolve, false)) {
|
|
Color clearColor = render.clear_values[idx].color;
|
|
ca.clearColor = MTLClearColorMake(clearColor.r, clearColor.g, clearColor.b, clearColor.a);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (subpass.depth_stencil_reference.attachment != RDD::AttachmentReference::UNUSED) {
|
|
attachmentCount += 1;
|
|
uint32_t idx = subpass.depth_stencil_reference.attachment;
|
|
MDAttachment const &attachment = pass.attachments[idx];
|
|
id<MTLTexture> tex = fb.textures[idx];
|
|
if (attachment.type & MDAttachmentType::Depth) {
|
|
MTLRenderPassDepthAttachmentDescriptor *da = desc.depthAttachment;
|
|
if (attachment.configureDescriptor(da, pf, subpass, tex, render.is_rendering_entire_area, false, false, false)) {
|
|
da.clearDepth = render.clear_values[idx].depth;
|
|
}
|
|
}
|
|
|
|
if (attachment.type & MDAttachmentType::Stencil) {
|
|
MTLRenderPassStencilAttachmentDescriptor *sa = desc.stencilAttachment;
|
|
if (attachment.configureDescriptor(sa, pf, subpass, tex, render.is_rendering_entire_area, false, false, true)) {
|
|
sa.clearStencil = render.clear_values[idx].stencil;
|
|
}
|
|
}
|
|
}
|
|
|
|
desc.renderTargetWidth = MAX((NSUInteger)MIN(render.render_area.position.x + render.render_area.size.width, fb.size.width), 1u);
|
|
desc.renderTargetHeight = MAX((NSUInteger)MIN(render.render_area.position.y + render.render_area.size.height, fb.size.height), 1u);
|
|
|
|
if (attachmentCount == 0) {
|
|
// If there are no attachments, delay the creation of the encoder,
|
|
// so we can use a matching sample count for the pipeline, by setting
|
|
// the defaultRasterSampleCount from the pipeline's sample count.
|
|
render.desc = desc;
|
|
} else {
|
|
render.encoder = [commandBuffer renderCommandEncoderWithDescriptor:desc];
|
|
|
|
if (!render.is_rendering_entire_area) {
|
|
_render_clear_render_area();
|
|
}
|
|
// With a new encoder, all state is dirty.
|
|
render.dirty.set_flag(RenderState::DIRTY_ALL);
|
|
}
|
|
}
|
|
|
|
void MDCommandBuffer::render_draw(uint32_t p_vertex_count,
|
|
uint32_t p_instance_count,
|
|
uint32_t p_base_vertex,
|
|
uint32_t p_first_instance) {
|
|
DEV_ASSERT(type == MDCommandBufferStateType::Render);
|
|
_render_set_dirty_state();
|
|
|
|
DEV_ASSERT(render.dirty == 0);
|
|
|
|
id<MTLRenderCommandEncoder> enc = render.encoder;
|
|
|
|
[enc drawPrimitives:render.pipeline->raster_state.render_primitive
|
|
vertexStart:p_base_vertex
|
|
vertexCount:p_vertex_count
|
|
instanceCount:p_instance_count
|
|
baseInstance:p_first_instance];
|
|
}
|
|
|
|
void MDCommandBuffer::render_bind_vertex_buffers(uint32_t p_binding_count, const RDD::BufferID *p_buffers, const uint64_t *p_offsets) {
|
|
DEV_ASSERT(type == MDCommandBufferStateType::Render);
|
|
|
|
render.vertex_buffers.resize(p_binding_count);
|
|
render.vertex_offsets.resize(p_binding_count);
|
|
|
|
// Reverse the buffers, as their bindings are assigned in descending order.
|
|
for (uint32_t i = 0; i < p_binding_count; i += 1) {
|
|
render.vertex_buffers[i] = rid::get(p_buffers[p_binding_count - i - 1]);
|
|
render.vertex_offsets[i] = p_offsets[p_binding_count - i - 1];
|
|
}
|
|
|
|
if (render.encoder) {
|
|
uint32_t first = device_driver->get_metal_buffer_index_for_vertex_attribute_binding(p_binding_count - 1);
|
|
[render.encoder setVertexBuffers:render.vertex_buffers.ptr()
|
|
offsets:render.vertex_offsets.ptr()
|
|
withRange:NSMakeRange(first, p_binding_count)];
|
|
} else {
|
|
render.dirty.set_flag(RenderState::DIRTY_VERTEX);
|
|
}
|
|
}
|
|
|
|
void MDCommandBuffer::render_bind_index_buffer(RDD::BufferID p_buffer, RDD::IndexBufferFormat p_format, uint64_t p_offset) {
|
|
DEV_ASSERT(type == MDCommandBufferStateType::Render);
|
|
|
|
render.index_buffer = rid::get(p_buffer);
|
|
render.index_type = p_format == RDD::IndexBufferFormat::INDEX_BUFFER_FORMAT_UINT16 ? MTLIndexTypeUInt16 : MTLIndexTypeUInt32;
|
|
}
|
|
|
|
void MDCommandBuffer::render_draw_indexed(uint32_t p_index_count,
|
|
uint32_t p_instance_count,
|
|
uint32_t p_first_index,
|
|
int32_t p_vertex_offset,
|
|
uint32_t p_first_instance) {
|
|
DEV_ASSERT(type == MDCommandBufferStateType::Render);
|
|
_render_set_dirty_state();
|
|
|
|
id<MTLRenderCommandEncoder> enc = render.encoder;
|
|
|
|
[enc drawIndexedPrimitives:render.pipeline->raster_state.render_primitive
|
|
indexCount:p_index_count
|
|
indexType:render.index_type
|
|
indexBuffer:render.index_buffer
|
|
indexBufferOffset:p_vertex_offset
|
|
instanceCount:p_instance_count
|
|
baseVertex:p_first_index
|
|
baseInstance:p_first_instance];
|
|
}
|
|
|
|
void MDCommandBuffer::render_draw_indexed_indirect(RDD::BufferID p_indirect_buffer, uint64_t p_offset, uint32_t p_draw_count, uint32_t p_stride) {
|
|
DEV_ASSERT(type == MDCommandBufferStateType::Render);
|
|
_render_set_dirty_state();
|
|
|
|
id<MTLRenderCommandEncoder> enc = render.encoder;
|
|
|
|
id<MTLBuffer> indirect_buffer = rid::get(p_indirect_buffer);
|
|
NSUInteger indirect_offset = p_offset;
|
|
|
|
for (uint32_t i = 0; i < p_draw_count; i++) {
|
|
[enc drawIndexedPrimitives:render.pipeline->raster_state.render_primitive
|
|
indexType:render.index_type
|
|
indexBuffer:render.index_buffer
|
|
indexBufferOffset:0
|
|
indirectBuffer:indirect_buffer
|
|
indirectBufferOffset:indirect_offset];
|
|
indirect_offset += p_stride;
|
|
}
|
|
}
|
|
|
|
void MDCommandBuffer::render_draw_indexed_indirect_count(RDD::BufferID p_indirect_buffer, uint64_t p_offset, RDD::BufferID p_count_buffer, uint64_t p_count_buffer_offset, uint32_t p_max_draw_count, uint32_t p_stride) {
|
|
ERR_FAIL_MSG("not implemented");
|
|
}
|
|
|
|
void MDCommandBuffer::render_draw_indirect(RDD::BufferID p_indirect_buffer, uint64_t p_offset, uint32_t p_draw_count, uint32_t p_stride) {
|
|
DEV_ASSERT(type == MDCommandBufferStateType::Render);
|
|
_render_set_dirty_state();
|
|
|
|
id<MTLRenderCommandEncoder> enc = render.encoder;
|
|
|
|
id<MTLBuffer> indirect_buffer = rid::get(p_indirect_buffer);
|
|
NSUInteger indirect_offset = p_offset;
|
|
|
|
for (uint32_t i = 0; i < p_draw_count; i++) {
|
|
[enc drawPrimitives:render.pipeline->raster_state.render_primitive
|
|
indirectBuffer:indirect_buffer
|
|
indirectBufferOffset:indirect_offset];
|
|
indirect_offset += p_stride;
|
|
}
|
|
}
|
|
|
|
void MDCommandBuffer::render_draw_indirect_count(RDD::BufferID p_indirect_buffer, uint64_t p_offset, RDD::BufferID p_count_buffer, uint64_t p_count_buffer_offset, uint32_t p_max_draw_count, uint32_t p_stride) {
|
|
ERR_FAIL_MSG("not implemented");
|
|
}
|
|
|
|
void MDCommandBuffer::render_end_pass() {
|
|
DEV_ASSERT(type == MDCommandBufferStateType::Render);
|
|
|
|
[render.encoder endEncoding];
|
|
render.reset();
|
|
type = MDCommandBufferStateType::None;
|
|
}
|
|
|
|
#pragma mark - Compute
|
|
|
|
void MDCommandBuffer::compute_bind_uniform_set(RDD::UniformSetID p_uniform_set, RDD::ShaderID p_shader, uint32_t p_set_index) {
|
|
DEV_ASSERT(type == MDCommandBufferStateType::Compute);
|
|
|
|
id<MTLComputeCommandEncoder> enc = compute.encoder;
|
|
id<MTLDevice> device = enc.device;
|
|
|
|
MDShader *shader = (MDShader *)(p_shader.id);
|
|
UniformSet const &set_info = shader->sets[p_set_index];
|
|
|
|
MDUniformSet *set = (MDUniformSet *)(p_uniform_set.id);
|
|
BoundUniformSet &bus = set->boundUniformSetForShader(shader, device);
|
|
|
|
for (KeyValue<id<MTLResource>, StageResourceUsage> &keyval : bus.bound_resources) {
|
|
MTLResourceUsage usage = resource_usage_for_stage(keyval.value, RDD::ShaderStage::SHADER_STAGE_COMPUTE);
|
|
if (usage != 0) {
|
|
[enc useResource:keyval.key usage:usage];
|
|
}
|
|
}
|
|
|
|
uint32_t const *offset = set_info.offsets.getptr(RDD::SHADER_STAGE_COMPUTE);
|
|
if (offset) {
|
|
[enc setBuffer:bus.buffer offset:*offset atIndex:p_set_index];
|
|
}
|
|
}
|
|
|
|
void MDCommandBuffer::compute_dispatch(uint32_t p_x_groups, uint32_t p_y_groups, uint32_t p_z_groups) {
|
|
DEV_ASSERT(type == MDCommandBufferStateType::Compute);
|
|
|
|
MTLRegion region = MTLRegionMake3D(0, 0, 0, p_x_groups, p_y_groups, p_z_groups);
|
|
|
|
id<MTLComputeCommandEncoder> enc = compute.encoder;
|
|
[enc dispatchThreadgroups:region.size threadsPerThreadgroup:compute.pipeline->compute_state.local];
|
|
}
|
|
|
|
void MDCommandBuffer::compute_dispatch_indirect(RDD::BufferID p_indirect_buffer, uint64_t p_offset) {
|
|
DEV_ASSERT(type == MDCommandBufferStateType::Compute);
|
|
|
|
id<MTLBuffer> indirectBuffer = rid::get(p_indirect_buffer);
|
|
|
|
id<MTLComputeCommandEncoder> enc = compute.encoder;
|
|
[enc dispatchThreadgroupsWithIndirectBuffer:indirectBuffer indirectBufferOffset:p_offset threadsPerThreadgroup:compute.pipeline->compute_state.local];
|
|
}
|
|
|
|
void MDCommandBuffer::_end_compute_dispatch() {
|
|
DEV_ASSERT(type == MDCommandBufferStateType::Compute);
|
|
|
|
[compute.encoder endEncoding];
|
|
compute.reset();
|
|
type = MDCommandBufferStateType::None;
|
|
}
|
|
|
|
void MDCommandBuffer::_end_blit() {
|
|
DEV_ASSERT(type == MDCommandBufferStateType::Blit);
|
|
|
|
[blit.encoder endEncoding];
|
|
blit.reset();
|
|
type = MDCommandBufferStateType::None;
|
|
}
|
|
|
|
MDComputeShader::MDComputeShader(CharString p_name, Vector<UniformSet> p_sets, id<MTLLibrary> p_kernel) :
|
|
MDShader(p_name, p_sets), kernel(p_kernel) {
|
|
}
|
|
|
|
void MDComputeShader::encode_push_constant_data(VectorView<uint32_t> p_data, MDCommandBuffer *p_cb) {
|
|
DEV_ASSERT(p_cb->type == MDCommandBufferStateType::Compute);
|
|
if (push_constants.binding == (uint32_t)-1) {
|
|
return;
|
|
}
|
|
|
|
id<MTLComputeCommandEncoder> enc = p_cb->compute.encoder;
|
|
|
|
void const *ptr = p_data.ptr();
|
|
size_t length = p_data.size() * sizeof(uint32_t);
|
|
|
|
[enc setBytes:ptr length:length atIndex:push_constants.binding];
|
|
}
|
|
|
|
MDRenderShader::MDRenderShader(CharString p_name, Vector<UniformSet> p_sets, id<MTLLibrary> _Nonnull p_vert, id<MTLLibrary> _Nonnull p_frag) :
|
|
MDShader(p_name, p_sets), vert(p_vert), frag(p_frag) {
|
|
}
|
|
|
|
void MDRenderShader::encode_push_constant_data(VectorView<uint32_t> p_data, MDCommandBuffer *p_cb) {
|
|
DEV_ASSERT(p_cb->type == MDCommandBufferStateType::Render);
|
|
id<MTLRenderCommandEncoder> enc = p_cb->render.encoder;
|
|
|
|
void const *ptr = p_data.ptr();
|
|
size_t length = p_data.size() * sizeof(uint32_t);
|
|
|
|
if (push_constants.vert.binding > -1) {
|
|
[enc setVertexBytes:ptr length:length atIndex:push_constants.vert.binding];
|
|
}
|
|
|
|
if (push_constants.frag.binding > -1) {
|
|
[enc setFragmentBytes:ptr length:length atIndex:push_constants.frag.binding];
|
|
}
|
|
}
|
|
|
|
BoundUniformSet &MDUniformSet::boundUniformSetForShader(MDShader *p_shader, id<MTLDevice> p_device) {
|
|
BoundUniformSet *sus = bound_uniforms.getptr(p_shader);
|
|
if (sus != nullptr) {
|
|
return *sus;
|
|
}
|
|
|
|
UniformSet const &set = p_shader->sets[index];
|
|
|
|
HashMap<id<MTLResource>, StageResourceUsage> bound_resources;
|
|
auto add_usage = [&bound_resources](id<MTLResource> __unsafe_unretained res, RDD::ShaderStage stage, MTLResourceUsage usage) {
|
|
StageResourceUsage *sru = bound_resources.getptr(res);
|
|
if (sru == nullptr) {
|
|
bound_resources.insert(res, stage_resource_usage(stage, usage));
|
|
} else {
|
|
*sru |= stage_resource_usage(stage, usage);
|
|
}
|
|
};
|
|
id<MTLBuffer> enc_buffer = nil;
|
|
if (set.buffer_size > 0) {
|
|
MTLResourceOptions options = MTLResourceStorageModeShared | MTLResourceHazardTrackingModeTracked;
|
|
enc_buffer = [p_device newBufferWithLength:set.buffer_size options:options];
|
|
for (KeyValue<RDC::ShaderStage, id<MTLArgumentEncoder>> const &kv : set.encoders) {
|
|
RDD::ShaderStage const stage = kv.key;
|
|
ShaderStageUsage const stage_usage = ShaderStageUsage(1 << stage);
|
|
id<MTLArgumentEncoder> const enc = kv.value;
|
|
|
|
[enc setArgumentBuffer:enc_buffer offset:set.offsets[stage]];
|
|
|
|
for (uint32_t i = 0; i < uniforms.size(); i++) {
|
|
RDD::BoundUniform const &uniform = uniforms[i];
|
|
UniformInfo ui = set.uniforms[i];
|
|
|
|
BindingInfo *bi = ui.bindings.getptr(stage);
|
|
if (bi == nullptr) {
|
|
// No binding for this stage.
|
|
continue;
|
|
}
|
|
|
|
if ((ui.active_stages & stage_usage) == 0) {
|
|
// Not active for this state, so don't bind anything.
|
|
continue;
|
|
}
|
|
|
|
switch (uniform.type) {
|
|
case RDD::UNIFORM_TYPE_SAMPLER: {
|
|
size_t count = uniform.ids.size();
|
|
id<MTLSamplerState> __unsafe_unretained *objects = ALLOCA_ARRAY(id<MTLSamplerState> __unsafe_unretained, count);
|
|
for (size_t j = 0; j < count; j += 1) {
|
|
objects[j] = rid::get(uniform.ids[j].id);
|
|
}
|
|
[enc setSamplerStates:objects withRange:NSMakeRange(bi->index, count)];
|
|
} break;
|
|
case RDD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE: {
|
|
size_t count = uniform.ids.size() / 2;
|
|
id<MTLTexture> __unsafe_unretained *textures = ALLOCA_ARRAY(id<MTLTexture> __unsafe_unretained, count);
|
|
id<MTLSamplerState> __unsafe_unretained *samplers = ALLOCA_ARRAY(id<MTLSamplerState> __unsafe_unretained, count);
|
|
for (uint32_t j = 0; j < count; j += 1) {
|
|
id<MTLSamplerState> sampler = rid::get(uniform.ids[j * 2 + 0]);
|
|
id<MTLTexture> texture = rid::get(uniform.ids[j * 2 + 1]);
|
|
samplers[j] = sampler;
|
|
textures[j] = texture;
|
|
add_usage(texture, stage, bi->usage);
|
|
}
|
|
BindingInfo *sbi = ui.bindings_secondary.getptr(stage);
|
|
if (sbi) {
|
|
[enc setSamplerStates:samplers withRange:NSMakeRange(sbi->index, count)];
|
|
}
|
|
[enc setTextures:textures
|
|
withRange:NSMakeRange(bi->index, count)];
|
|
} break;
|
|
case RDD::UNIFORM_TYPE_TEXTURE: {
|
|
size_t count = uniform.ids.size();
|
|
if (count == 1) {
|
|
id<MTLTexture> obj = rid::get(uniform.ids[0]);
|
|
[enc setTexture:obj atIndex:bi->index];
|
|
add_usage(obj, stage, bi->usage);
|
|
} else {
|
|
id<MTLTexture> __unsafe_unretained *objects = ALLOCA_ARRAY(id<MTLTexture> __unsafe_unretained, count);
|
|
for (size_t j = 0; j < count; j += 1) {
|
|
id<MTLTexture> obj = rid::get(uniform.ids[j]);
|
|
objects[j] = obj;
|
|
add_usage(obj, stage, bi->usage);
|
|
}
|
|
[enc setTextures:objects withRange:NSMakeRange(bi->index, count)];
|
|
}
|
|
} break;
|
|
case RDD::UNIFORM_TYPE_IMAGE: {
|
|
size_t count = uniform.ids.size();
|
|
if (count == 1) {
|
|
id<MTLTexture> obj = rid::get(uniform.ids[0]);
|
|
[enc setTexture:obj atIndex:bi->index];
|
|
add_usage(obj, stage, bi->usage);
|
|
BindingInfo *sbi = ui.bindings_secondary.getptr(stage);
|
|
if (sbi) {
|
|
id<MTLTexture> tex = obj.parentTexture ? obj.parentTexture : obj;
|
|
id<MTLBuffer> buf = tex.buffer;
|
|
if (buf) {
|
|
[enc setBuffer:buf offset:tex.bufferOffset atIndex:sbi->index];
|
|
}
|
|
}
|
|
} else {
|
|
id<MTLTexture> __unsafe_unretained *objects = ALLOCA_ARRAY(id<MTLTexture> __unsafe_unretained, count);
|
|
for (size_t j = 0; j < count; j += 1) {
|
|
id<MTLTexture> obj = rid::get(uniform.ids[j]);
|
|
objects[j] = obj;
|
|
add_usage(obj, stage, bi->usage);
|
|
}
|
|
[enc setTextures:objects withRange:NSMakeRange(bi->index, count)];
|
|
}
|
|
} break;
|
|
case RDD::UNIFORM_TYPE_TEXTURE_BUFFER: {
|
|
ERR_PRINT("not implemented: UNIFORM_TYPE_TEXTURE_BUFFER");
|
|
} break;
|
|
case RDD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE_BUFFER: {
|
|
ERR_PRINT("not implemented: UNIFORM_TYPE_SAMPLER_WITH_TEXTURE_BUFFER");
|
|
} break;
|
|
case RDD::UNIFORM_TYPE_IMAGE_BUFFER: {
|
|
CRASH_NOW_MSG("not implemented: UNIFORM_TYPE_IMAGE_BUFFER");
|
|
} break;
|
|
case RDD::UNIFORM_TYPE_UNIFORM_BUFFER: {
|
|
id<MTLBuffer> buffer = rid::get(uniform.ids[0]);
|
|
[enc setBuffer:buffer offset:0 atIndex:bi->index];
|
|
add_usage(buffer, stage, bi->usage);
|
|
} break;
|
|
case RDD::UNIFORM_TYPE_STORAGE_BUFFER: {
|
|
id<MTLBuffer> buffer = rid::get(uniform.ids[0]);
|
|
[enc setBuffer:buffer offset:0 atIndex:bi->index];
|
|
add_usage(buffer, stage, bi->usage);
|
|
} break;
|
|
case RDD::UNIFORM_TYPE_INPUT_ATTACHMENT: {
|
|
size_t count = uniform.ids.size();
|
|
if (count == 1) {
|
|
id<MTLTexture> obj = rid::get(uniform.ids[0]);
|
|
[enc setTexture:obj atIndex:bi->index];
|
|
add_usage(obj, stage, bi->usage);
|
|
} else {
|
|
id<MTLTexture> __unsafe_unretained *objects = ALLOCA_ARRAY(id<MTLTexture> __unsafe_unretained, count);
|
|
for (size_t j = 0; j < count; j += 1) {
|
|
id<MTLTexture> obj = rid::get(uniform.ids[j]);
|
|
objects[j] = obj;
|
|
add_usage(obj, stage, bi->usage);
|
|
}
|
|
[enc setTextures:objects withRange:NSMakeRange(bi->index, count)];
|
|
}
|
|
} break;
|
|
default: {
|
|
DEV_ASSERT(false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
BoundUniformSet bs = { .buffer = enc_buffer, .bound_resources = bound_resources };
|
|
bound_uniforms.insert(p_shader, bs);
|
|
return bound_uniforms.get(p_shader);
|
|
}
|
|
|
|
MTLFmtCaps MDSubpass::getRequiredFmtCapsForAttachmentAt(uint32_t p_index) const {
|
|
MTLFmtCaps caps = kMTLFmtCapsNone;
|
|
|
|
for (RDD::AttachmentReference const &ar : input_references) {
|
|
if (ar.attachment == p_index) {
|
|
flags::set(caps, kMTLFmtCapsRead);
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (RDD::AttachmentReference const &ar : color_references) {
|
|
if (ar.attachment == p_index) {
|
|
flags::set(caps, kMTLFmtCapsColorAtt);
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (RDD::AttachmentReference const &ar : resolve_references) {
|
|
if (ar.attachment == p_index) {
|
|
flags::set(caps, kMTLFmtCapsResolve);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (depth_stencil_reference.attachment == p_index) {
|
|
flags::set(caps, kMTLFmtCapsDSAtt);
|
|
}
|
|
|
|
return caps;
|
|
}
|
|
|
|
void MDAttachment::linkToSubpass(const MDRenderPass &p_pass) {
|
|
firstUseSubpassIndex = UINT32_MAX;
|
|
lastUseSubpassIndex = 0;
|
|
|
|
for (MDSubpass const &subpass : p_pass.subpasses) {
|
|
MTLFmtCaps reqCaps = subpass.getRequiredFmtCapsForAttachmentAt(index);
|
|
if (reqCaps) {
|
|
firstUseSubpassIndex = MIN(subpass.subpass_index, firstUseSubpassIndex);
|
|
lastUseSubpassIndex = MAX(subpass.subpass_index, lastUseSubpassIndex);
|
|
}
|
|
}
|
|
}
|
|
|
|
MTLStoreAction MDAttachment::getMTLStoreAction(MDSubpass const &p_subpass,
|
|
bool p_is_rendering_entire_area,
|
|
bool p_has_resolve,
|
|
bool p_can_resolve,
|
|
bool p_is_stencil) const {
|
|
if (!p_is_rendering_entire_area || !isLastUseOf(p_subpass)) {
|
|
return p_has_resolve && p_can_resolve ? MTLStoreActionStoreAndMultisampleResolve : MTLStoreActionStore;
|
|
}
|
|
|
|
switch (p_is_stencil ? stencilStoreAction : storeAction) {
|
|
case MTLStoreActionStore:
|
|
return p_has_resolve && p_can_resolve ? MTLStoreActionStoreAndMultisampleResolve : MTLStoreActionStore;
|
|
case MTLStoreActionDontCare:
|
|
return p_has_resolve ? (p_can_resolve ? MTLStoreActionMultisampleResolve : MTLStoreActionStore) : MTLStoreActionDontCare;
|
|
|
|
default:
|
|
return MTLStoreActionStore;
|
|
}
|
|
}
|
|
|
|
bool MDAttachment::configureDescriptor(MTLRenderPassAttachmentDescriptor *p_desc,
|
|
PixelFormats &p_pf,
|
|
MDSubpass const &p_subpass,
|
|
id<MTLTexture> p_attachment,
|
|
bool p_is_rendering_entire_area,
|
|
bool p_has_resolve,
|
|
bool p_can_resolve,
|
|
bool p_is_stencil) const {
|
|
p_desc.texture = p_attachment;
|
|
|
|
MTLLoadAction load;
|
|
if (!p_is_rendering_entire_area || !isFirstUseOf(p_subpass)) {
|
|
load = MTLLoadActionLoad;
|
|
} else {
|
|
load = p_is_stencil ? stencilLoadAction : loadAction;
|
|
}
|
|
|
|
p_desc.loadAction = load;
|
|
|
|
MTLPixelFormat mtlFmt = p_attachment.pixelFormat;
|
|
bool isDepthFormat = p_pf.isDepthFormat(mtlFmt);
|
|
bool isStencilFormat = p_pf.isStencilFormat(mtlFmt);
|
|
if (isStencilFormat && !p_is_stencil && !isDepthFormat) {
|
|
p_desc.storeAction = MTLStoreActionDontCare;
|
|
} else {
|
|
p_desc.storeAction = getMTLStoreAction(p_subpass, p_is_rendering_entire_area, p_has_resolve, p_can_resolve, p_is_stencil);
|
|
}
|
|
|
|
return load == MTLLoadActionClear;
|
|
}
|
|
|
|
bool MDAttachment::shouldClear(const MDSubpass &p_subpass, bool p_is_stencil) const {
|
|
// If the subpass is not the first subpass to use this attachment, don't clear this attachment.
|
|
if (p_subpass.subpass_index != firstUseSubpassIndex) {
|
|
return false;
|
|
}
|
|
return (p_is_stencil ? stencilLoadAction : loadAction) == MTLLoadActionClear;
|
|
}
|
|
|
|
MDRenderPass::MDRenderPass(Vector<MDAttachment> &p_attachments, Vector<MDSubpass> &p_subpasses) :
|
|
attachments(p_attachments), subpasses(p_subpasses) {
|
|
for (MDAttachment &att : attachments) {
|
|
att.linkToSubpass(*this);
|
|
}
|
|
}
|
|
|
|
#pragma mark - Resource Factory
|
|
|
|
id<MTLFunction> MDResourceFactory::new_func(NSString *p_source, NSString *p_name, NSError **p_error) {
|
|
@autoreleasepool {
|
|
NSError *err = nil;
|
|
MTLCompileOptions *options = [MTLCompileOptions new];
|
|
id<MTLDevice> device = device_driver->get_device();
|
|
id<MTLLibrary> mtlLib = [device newLibraryWithSource:p_source
|
|
options:options
|
|
error:&err];
|
|
if (err) {
|
|
if (p_error != nil) {
|
|
*p_error = err;
|
|
}
|
|
}
|
|
return [mtlLib newFunctionWithName:p_name];
|
|
}
|
|
}
|
|
|
|
id<MTLFunction> MDResourceFactory::new_clear_vert_func(ClearAttKey &p_key) {
|
|
@autoreleasepool {
|
|
NSString *msl = [NSString stringWithFormat:@R"(
|
|
#include <metal_stdlib>
|
|
using namespace metal;
|
|
|
|
typedef struct {
|
|
float4 a_position [[attribute(0)]];
|
|
} AttributesPos;
|
|
|
|
typedef struct {
|
|
float4 colors[9];
|
|
} ClearColorsIn;
|
|
|
|
typedef struct {
|
|
float4 v_position [[position]];
|
|
uint layer;
|
|
} VaryingsPos;
|
|
|
|
vertex VaryingsPos vertClear(AttributesPos attributes [[stage_in]], constant ClearColorsIn& ccIn [[buffer(0)]]) {
|
|
VaryingsPos varyings;
|
|
varyings.v_position = float4(attributes.a_position.x, -attributes.a_position.y, ccIn.colors[%d].r, 1.0);
|
|
varyings.layer = uint(attributes.a_position.w);
|
|
return varyings;
|
|
}
|
|
)",
|
|
ClearAttKey::DEPTH_INDEX];
|
|
|
|
return new_func(msl, @"vertClear", nil);
|
|
}
|
|
}
|
|
|
|
id<MTLFunction> MDResourceFactory::new_clear_frag_func(ClearAttKey &p_key) {
|
|
@autoreleasepool {
|
|
NSMutableString *msl = [NSMutableString stringWithCapacity:2048];
|
|
|
|
[msl appendFormat:@R"(
|
|
#include <metal_stdlib>
|
|
using namespace metal;
|
|
|
|
typedef struct {
|
|
float4 v_position [[position]];
|
|
} VaryingsPos;
|
|
|
|
typedef struct {
|
|
float4 colors[9];
|
|
} ClearColorsIn;
|
|
|
|
typedef struct {
|
|
)"];
|
|
|
|
for (uint32_t caIdx = 0; caIdx < ClearAttKey::COLOR_COUNT; caIdx++) {
|
|
if (p_key.is_enabled(caIdx)) {
|
|
NSString *typeStr = get_format_type_string((MTLPixelFormat)p_key.pixel_formats[caIdx]);
|
|
[msl appendFormat:@" %@4 color%u [[color(%u)]];\n", typeStr, caIdx, caIdx];
|
|
}
|
|
}
|
|
[msl appendFormat:@R"(} ClearColorsOut;
|
|
|
|
fragment ClearColorsOut fragClear(VaryingsPos varyings [[stage_in]], constant ClearColorsIn& ccIn [[buffer(0)]]) {
|
|
|
|
ClearColorsOut ccOut;
|
|
)"];
|
|
for (uint32_t caIdx = 0; caIdx < ClearAttKey::COLOR_COUNT; caIdx++) {
|
|
if (p_key.is_enabled(caIdx)) {
|
|
NSString *typeStr = get_format_type_string((MTLPixelFormat)p_key.pixel_formats[caIdx]);
|
|
[msl appendFormat:@" ccOut.color%u = %@4(ccIn.colors[%u]);\n", caIdx, typeStr, caIdx];
|
|
}
|
|
}
|
|
[msl appendString:@R"( return ccOut;
|
|
})"];
|
|
|
|
return new_func(msl, @"fragClear", nil);
|
|
}
|
|
}
|
|
|
|
NSString *MDResourceFactory::get_format_type_string(MTLPixelFormat p_fmt) {
|
|
switch (device_driver->get_pixel_formats().getFormatType(p_fmt)) {
|
|
case MTLFormatType::ColorInt8:
|
|
case MTLFormatType::ColorInt16:
|
|
return @"short";
|
|
case MTLFormatType::ColorUInt8:
|
|
case MTLFormatType::ColorUInt16:
|
|
return @"ushort";
|
|
case MTLFormatType::ColorInt32:
|
|
return @"int";
|
|
case MTLFormatType::ColorUInt32:
|
|
return @"uint";
|
|
case MTLFormatType::ColorHalf:
|
|
return @"half";
|
|
case MTLFormatType::ColorFloat:
|
|
case MTLFormatType::DepthStencil:
|
|
case MTLFormatType::Compressed:
|
|
return @"float";
|
|
case MTLFormatType::None:
|
|
return @"unexpected_MTLPixelFormatInvalid";
|
|
}
|
|
}
|
|
|
|
id<MTLDepthStencilState> MDResourceFactory::new_depth_stencil_state(bool p_use_depth, bool p_use_stencil) {
|
|
MTLDepthStencilDescriptor *dsDesc = [MTLDepthStencilDescriptor new];
|
|
dsDesc.depthCompareFunction = MTLCompareFunctionAlways;
|
|
dsDesc.depthWriteEnabled = p_use_depth;
|
|
|
|
if (p_use_stencil) {
|
|
MTLStencilDescriptor *sDesc = [MTLStencilDescriptor new];
|
|
sDesc.stencilCompareFunction = MTLCompareFunctionAlways;
|
|
sDesc.stencilFailureOperation = MTLStencilOperationReplace;
|
|
sDesc.depthFailureOperation = MTLStencilOperationReplace;
|
|
sDesc.depthStencilPassOperation = MTLStencilOperationReplace;
|
|
|
|
dsDesc.frontFaceStencil = sDesc;
|
|
dsDesc.backFaceStencil = sDesc;
|
|
} else {
|
|
dsDesc.frontFaceStencil = nil;
|
|
dsDesc.backFaceStencil = nil;
|
|
}
|
|
|
|
return [device_driver->get_device() newDepthStencilStateWithDescriptor:dsDesc];
|
|
}
|
|
|
|
id<MTLRenderPipelineState> MDResourceFactory::new_clear_pipeline_state(ClearAttKey &p_key, NSError **p_error) {
|
|
PixelFormats &pixFmts = device_driver->get_pixel_formats();
|
|
|
|
id<MTLFunction> vtxFunc = new_clear_vert_func(p_key);
|
|
id<MTLFunction> fragFunc = new_clear_frag_func(p_key);
|
|
MTLRenderPipelineDescriptor *plDesc = [MTLRenderPipelineDescriptor new];
|
|
plDesc.label = @"ClearRenderAttachments";
|
|
plDesc.vertexFunction = vtxFunc;
|
|
plDesc.fragmentFunction = fragFunc;
|
|
plDesc.rasterSampleCount = p_key.sample_count;
|
|
plDesc.inputPrimitiveTopology = MTLPrimitiveTopologyClassTriangle;
|
|
|
|
for (uint32_t caIdx = 0; caIdx < ClearAttKey::COLOR_COUNT; caIdx++) {
|
|
MTLRenderPipelineColorAttachmentDescriptor *colorDesc = plDesc.colorAttachments[caIdx];
|
|
colorDesc.pixelFormat = (MTLPixelFormat)p_key.pixel_formats[caIdx];
|
|
colorDesc.writeMask = p_key.is_enabled(caIdx) ? MTLColorWriteMaskAll : MTLColorWriteMaskNone;
|
|
}
|
|
|
|
MTLPixelFormat mtlDepthFormat = p_key.depth_format();
|
|
if (pixFmts.isDepthFormat(mtlDepthFormat)) {
|
|
plDesc.depthAttachmentPixelFormat = mtlDepthFormat;
|
|
}
|
|
|
|
MTLPixelFormat mtlStencilFormat = p_key.stencil_format();
|
|
if (pixFmts.isStencilFormat(mtlStencilFormat)) {
|
|
plDesc.stencilAttachmentPixelFormat = mtlStencilFormat;
|
|
}
|
|
|
|
MTLVertexDescriptor *vtxDesc = plDesc.vertexDescriptor;
|
|
|
|
// Vertex attribute descriptors.
|
|
MTLVertexAttributeDescriptorArray *vaDescArray = vtxDesc.attributes;
|
|
MTLVertexAttributeDescriptor *vaDesc;
|
|
NSUInteger vtxBuffIdx = device_driver->get_metal_buffer_index_for_vertex_attribute_binding(VERT_CONTENT_BUFFER_INDEX);
|
|
NSUInteger vtxStride = 0;
|
|
|
|
// Vertex location.
|
|
vaDesc = vaDescArray[0];
|
|
vaDesc.format = MTLVertexFormatFloat4;
|
|
vaDesc.bufferIndex = vtxBuffIdx;
|
|
vaDesc.offset = vtxStride;
|
|
vtxStride += sizeof(simd::float4);
|
|
|
|
// Vertex attribute buffer.
|
|
MTLVertexBufferLayoutDescriptorArray *vbDescArray = vtxDesc.layouts;
|
|
MTLVertexBufferLayoutDescriptor *vbDesc = vbDescArray[vtxBuffIdx];
|
|
vbDesc.stepFunction = MTLVertexStepFunctionPerVertex;
|
|
vbDesc.stepRate = 1;
|
|
vbDesc.stride = vtxStride;
|
|
|
|
return [device_driver->get_device() newRenderPipelineStateWithDescriptor:plDesc error:p_error];
|
|
}
|
|
|
|
id<MTLRenderPipelineState> MDResourceCache::get_clear_render_pipeline_state(ClearAttKey &p_key, NSError **p_error) {
|
|
HashMap::ConstIterator it = clear_states.find(p_key);
|
|
if (it != clear_states.end()) {
|
|
return it->value;
|
|
}
|
|
|
|
id<MTLRenderPipelineState> state = resource_factory->new_clear_pipeline_state(p_key, p_error);
|
|
clear_states[p_key] = state;
|
|
return state;
|
|
}
|
|
|
|
id<MTLDepthStencilState> MDResourceCache::get_depth_stencil_state(bool p_use_depth, bool p_use_stencil) {
|
|
id<MTLDepthStencilState> __strong *val;
|
|
if (p_use_depth && p_use_stencil) {
|
|
val = &clear_depth_stencil_state.all;
|
|
} else if (p_use_depth) {
|
|
val = &clear_depth_stencil_state.depth_only;
|
|
} else if (p_use_stencil) {
|
|
val = &clear_depth_stencil_state.stencil_only;
|
|
} else {
|
|
val = &clear_depth_stencil_state.none;
|
|
}
|
|
DEV_ASSERT(val != nullptr);
|
|
|
|
if (*val == nil) {
|
|
*val = resource_factory->new_depth_stencil_state(p_use_depth, p_use_stencil);
|
|
}
|
|
return *val;
|
|
}
|