[Impeller] More sundry fixes to the Vulkan backend.

ci/licenses_golden/licenses_flutter

@@ -1409,10 +1409,18 @@ ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/command_buffer_vk.cc +
 ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/command_buffer_vk.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/command_encoder_vk.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/command_encoder_vk.h + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/command_pool_vk.cc + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/command_pool_vk.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/context_vk.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/context_vk.h + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/debug_report_vk.cc + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/debug_report_vk.h + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/descriptor_pool_vk.cc + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/descriptor_pool_vk.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/device_buffer_vk.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/device_buffer_vk.h + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/fence_waiter_vk.cc + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/fence_waiter_vk.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/formats_vk.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/formats_vk.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/backend/vulkan/pipeline_library_vk.cc + ../../../flutter/LICENSE
@@ -1454,6 +1462,8 @@ ORIGIN: ../../../flutter/impeller/renderer/buffer.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/buffer.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/buffer_view.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/buffer_view.h + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/renderer/capabilities.cc + ../../../flutter/LICENSE
+ORIGIN: ../../../flutter/impeller/renderer/capabilities.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/command.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/command.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/command_buffer.cc + ../../../flutter/LICENSE
@@ -1468,13 +1478,10 @@ ORIGIN: ../../../flutter/impeller/renderer/compute_pipeline_descriptor.cc + ../.
 ORIGIN: ../../../flutter/impeller/renderer/compute_pipeline_descriptor.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/context.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/context.h + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/renderer/descriptor_set_layout.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/device_buffer.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/device_buffer.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/device_buffer_descriptor.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/device_buffer_descriptor.h + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/renderer/device_capabilities.cc + ../../../flutter/LICENSE
-ORIGIN: ../../../flutter/impeller/renderer/device_capabilities.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/formats.cc + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/formats.h + ../../../flutter/LICENSE
 ORIGIN: ../../../flutter/impeller/renderer/gpu_tracer.cc + ../../../flutter/LICENSE
@@ -3936,10 +3943,18 @@ FILE: ../../../flutter/impeller/renderer/backend/vulkan/command_buffer_vk.cc
 FILE: ../../../flutter/impeller/renderer/backend/vulkan/command_buffer_vk.h
 FILE: ../../../flutter/impeller/renderer/backend/vulkan/command_encoder_vk.cc
 FILE: ../../../flutter/impeller/renderer/backend/vulkan/command_encoder_vk.h
+FILE: ../../../flutter/impeller/renderer/backend/vulkan/command_pool_vk.cc
+FILE: ../../../flutter/impeller/renderer/backend/vulkan/command_pool_vk.h
 FILE: ../../../flutter/impeller/renderer/backend/vulkan/context_vk.cc
 FILE: ../../../flutter/impeller/renderer/backend/vulkan/context_vk.h
+FILE: ../../../flutter/impeller/renderer/backend/vulkan/debug_report_vk.cc
+FILE: ../../../flutter/impeller/renderer/backend/vulkan/debug_report_vk.h
+FILE: ../../../flutter/impeller/renderer/backend/vulkan/descriptor_pool_vk.cc
+FILE: ../../../flutter/impeller/renderer/backend/vulkan/descriptor_pool_vk.h
 FILE: ../../../flutter/impeller/renderer/backend/vulkan/device_buffer_vk.cc
 FILE: ../../../flutter/impeller/renderer/backend/vulkan/device_buffer_vk.h
+FILE: ../../../flutter/impeller/renderer/backend/vulkan/fence_waiter_vk.cc
+FILE: ../../../flutter/impeller/renderer/backend/vulkan/fence_waiter_vk.h
 FILE: ../../../flutter/impeller/renderer/backend/vulkan/formats_vk.cc
 FILE: ../../../flutter/impeller/renderer/backend/vulkan/formats_vk.h
 FILE: ../../../flutter/impeller/renderer/backend/vulkan/pipeline_library_vk.cc
@@ -3981,6 +3996,8 @@ FILE: ../../../flutter/impeller/renderer/buffer.cc
 FILE: ../../../flutter/impeller/renderer/buffer.h
 FILE: ../../../flutter/impeller/renderer/buffer_view.cc
 FILE: ../../../flutter/impeller/renderer/buffer_view.h
+FILE: ../../../flutter/impeller/renderer/capabilities.cc
+FILE: ../../../flutter/impeller/renderer/capabilities.h
 FILE: ../../../flutter/impeller/renderer/command.cc
 FILE: ../../../flutter/impeller/renderer/command.h
 FILE: ../../../flutter/impeller/renderer/command_buffer.cc
@@ -3995,13 +4012,10 @@ FILE: ../../../flutter/impeller/renderer/compute_pipeline_descriptor.cc
 FILE: ../../../flutter/impeller/renderer/compute_pipeline_descriptor.h
 FILE: ../../../flutter/impeller/renderer/context.cc
 FILE: ../../../flutter/impeller/renderer/context.h
-FILE: ../../../flutter/impeller/renderer/descriptor_set_layout.h
 FILE: ../../../flutter/impeller/renderer/device_buffer.cc
 FILE: ../../../flutter/impeller/renderer/device_buffer.h
 FILE: ../../../flutter/impeller/renderer/device_buffer_descriptor.cc
 FILE: ../../../flutter/impeller/renderer/device_buffer_descriptor.h
-FILE: ../../../flutter/impeller/renderer/device_capabilities.cc
-FILE: ../../../flutter/impeller/renderer/device_capabilities.h
 FILE: ../../../flutter/impeller/renderer/formats.cc
 FILE: ../../../flutter/impeller/renderer/formats.h
 FILE: ../../../flutter/impeller/renderer/gpu_tracer.cc

impeller/aiks/aiks_unittests.cc

@@ -108,7 +108,7 @@ bool GenerateMipmap(const std::shared_ptr<Context>& context,
   }
   pass->GenerateMipmap(std::move(texture), std::move(label));
   pass->EncodeCommands(context->GetResourceAllocator());
-  return true;
+  return buffer->SubmitCommands();
 }
 
 TEST_P(AiksTest, CanRenderTiledTexture) {

impeller/aiks/picture.cc

@@ -54,7 +54,7 @@ std::shared_ptr<Texture> Picture::RenderToTexture(
   // features to Image someday.
   auto impeller_context = context.GetContext();
   RenderTarget target;
-  if (impeller_context->GetDeviceCapabilities().SupportsOffscreenMSAA()) {
+  if (impeller_context->GetCapabilities()->SupportsOffscreenMSAA()) {
     target = RenderTarget::CreateOffscreenMSAA(*impeller_context, size);
   } else {
     target = RenderTarget::CreateOffscreen(*impeller_context, size);

impeller/compiler/code_gen_template.h

@@ -22,8 +22,6 @@ constexpr std::string_view kReflectionHeaderTemplate =
 
 #include "impeller/renderer/compute_command.h"            {# // nogncheck #}
 
-#include "impeller/renderer/descriptor_set_layout.h"      {# // nogncheck #}
-
 #include "impeller/renderer/sampler.h"                    {# // nogncheck #}
 
 #include "impeller/renderer/shader_types.h"               {# // nogncheck #}
@@ -166,17 +164,15 @@ std::move({{ arg.argument_name }}){% if not loop.is_last %}, {% endif %}
 {% for buffer in buffers %}
     DescriptorSetLayout{
       {{buffer.binding}}, // binding = {{buffer.binding}}
-      DescriptorType::kUniformBuffer, // descriptorType = Uniform Buffer
-      1, // descriptorCount = 1
-      {{to_shader_stage(shader_stage)}}, // stageFlags = {{to_shader_stage(shader_stage)}}
+      DescriptorType::kUniformBuffer, // descriptor_type = Uniform Buffer
+      {{to_shader_stage(shader_stage)}}, // shader_stage = {{to_shader_stage(shader_stage)}}
     },
 {% endfor %}
 {% for sampled_image in sampled_images %}
     DescriptorSetLayout{
       {{sampled_image.binding}}, // binding = {{sampled_image.binding}}
-      DescriptorType::kSampledImage, // descriptorType = Sampled Image
-      1, // descriptorCount = 1
-      {{to_shader_stage(shader_stage)}}, // stageFlags = {{to_shader_stage(shader_stage)}}
+      DescriptorType::kSampledImage, // descriptor_type = Sampled Image
+      {{to_shader_stage(shader_stage)}}, // shader_stage = {{to_shader_stage(shader_stage)}}
     },
 {% endfor %}
   };

impeller/entity/contents/content_context.cc

@@ -154,7 +154,8 @@ static std::unique_ptr<PipelineT> CreateDefaultPipeline(
     return nullptr;
   }
   // Apply default ContentContextOptions to the descriptor.
-  const auto default_color_fmt = context.GetColorAttachmentPixelFormat();
+  const auto default_color_fmt =
+      context.GetCapabilities()->GetDefaultColorFormat();
   ContentContextOptions{.color_attachment_pixel_format = default_color_fmt}
       .ApplyToPipelineDescriptor(*desc);
   return std::make_unique<PipelineT>(context, desc);
@@ -175,15 +176,15 @@ ContentContext::ContentContext(std::shared_ptr<Context> context)
       CreateDefaultPipeline<LinearGradientFillPipeline>(*context_);
   radial_gradient_fill_pipelines_[{}] =
       CreateDefaultPipeline<RadialGradientFillPipeline>(*context_);
-  if (context_->GetDeviceCapabilities().SupportsSSBO()) {
+  if (context_->GetCapabilities()->SupportsSSBO()) {
     linear_gradient_ssbo_fill_pipelines_[{}] =
         CreateDefaultPipeline<LinearGradientSSBOFillPipeline>(*context_);
     radial_gradient_ssbo_fill_pipelines_[{}] =
         CreateDefaultPipeline<RadialGradientSSBOFillPipeline>(*context_);
     sweep_gradient_ssbo_fill_pipelines_[{}] =
         CreateDefaultPipeline<SweepGradientSSBOFillPipeline>(*context_);
   }
-  if (context_->GetDeviceCapabilities().SupportsFramebufferFetch()) {
+  if (context_->GetCapabilities()->SupportsFramebufferFetch()) {
     framebuffer_blend_color_pipelines_[{}] =
         CreateDefaultPipeline<FramebufferBlendColorPipeline>(*context_);
     framebuffer_blend_colorburn_pipelines_[{}] =
@@ -315,8 +316,7 @@ std::shared_ptr<Texture> ContentContext::MakeSubpass(
   auto context = GetContext();
 
   RenderTarget subpass_target;
-  if (context->GetDeviceCapabilities().SupportsOffscreenMSAA() &&
-      msaa_enabled) {
+  if (context->GetCapabilities()->SupportsOffscreenMSAA() && msaa_enabled) {
     subpass_target = RenderTarget::CreateOffscreenMSAA(
         *context, texture_size, SPrintF("%s Offscreen", label.c_str()),
         RenderTarget::kDefaultColorAttachmentConfigMSAA, std::nullopt);
@@ -374,8 +374,8 @@ std::shared_ptr<Context> ContentContext::GetContext() const {
   return context_;
 }
 
-const IDeviceCapabilities& ContentContext::GetDeviceCapabilities() const {
-  return context_->GetDeviceCapabilities();
+const Capabilities& ContentContext::GetDeviceCapabilities() const {
+  return *context_->GetCapabilities();
 }
 
 void ContentContext::SetWireframe(bool wireframe) {

impeller/entity/contents/content_context.h

@@ -47,7 +47,7 @@
 #include "impeller/entity/vertices.frag.h"
 #include "impeller/entity/yuv_to_rgb_filter.frag.h"
 #include "impeller/entity/yuv_to_rgb_filter.vert.h"
-#include "impeller/renderer/device_capabilities.h"
+#include "impeller/renderer/capabilities.h"
 #include "impeller/renderer/formats.h"
 #include "impeller/renderer/pipeline.h"
 #include "impeller/scene/scene_context.h"
@@ -601,7 +601,7 @@ class ContentContext {
 
   std::shared_ptr<GlyphAtlasContext> GetGlyphAtlasContext() const;
 
-  const IDeviceCapabilities& GetDeviceCapabilities() const;
+  const Capabilities& GetDeviceCapabilities() const;
 
   void SetWireframe(bool wireframe);
 

impeller/entity/contents/runtime_effect_contents.cc

@@ -102,10 +102,9 @@ bool RuntimeEffectContents::Render(const ContentContext& renderer,
   /// Get or create runtime stage pipeline.
   ///
 
-  const auto& device_capabilities = context->GetDeviceCapabilities();
-  const auto color_attachment_format = context->GetColorAttachmentPixelFormat();
-  const auto stencil_attachment_format =
-      device_capabilities.GetDefaultStencilFormat();
+  const auto& caps = context->GetCapabilities();
+  const auto color_attachment_format = caps->GetDefaultColorFormat();
+  const auto stencil_attachment_format = caps->GetDefaultStencilFormat();
 
   using VS = RuntimeEffectVertexShader;
   PipelineDescriptor desc;

impeller/entity/entity_pass.cc

@@ -152,7 +152,7 @@ static RenderTarget CreateRenderTarget(ContentContext& renderer,
   /// What's important is the `StorageMode` of the textures, which cannot be
   /// changed for the lifetime of the textures.
 
-  if (context->GetDeviceCapabilities().SupportsOffscreenMSAA()) {
+  if (context->GetCapabilities()->SupportsOffscreenMSAA()) {
     return RenderTarget::CreateOffscreenMSAA(
         *context,      // context
         size,          // size
@@ -210,8 +210,8 @@ bool EntityPass::Render(ContentContext& renderer,
     command_buffer->SetLabel("EntityPass Root Command Buffer");
 
     if (renderer.GetContext()
-            ->GetDeviceCapabilities()
-            .SupportsTextureToTextureBlits()) {
+            ->GetCapabilities()
+            ->SupportsTextureToTextureBlits()) {
       auto blit_pass = command_buffer->CreateBlitPass();
 
       blit_pass->AddCopy(offscreen_target.GetRenderTargetTexture(),

impeller/playground/backend/metal/playground_impl_mtl.mm

@@ -82,9 +82,8 @@
   }
   data_->metal_layer = [CAMetalLayer layer];
   data_->metal_layer.device = ContextMTL::Cast(*context).GetMTLDevice();
-  // This pixel format is one of the documented supported formats.
-  const auto color_fmt = context->GetColorAttachmentPixelFormat();
-  data_->metal_layer.pixelFormat = ToMTLPixelFormat(color_fmt);
+  data_->metal_layer.pixelFormat =
+      ToMTLPixelFormat(context->GetCapabilities()->GetDefaultColorFormat());
   data_->metal_layer.framebufferOnly = NO;
   cocoa_window.contentView.layer = data_->metal_layer;
   cocoa_window.contentView.wantsLayer = YES;

impeller/playground/playground.cc

@@ -402,8 +402,13 @@ std::shared_ptr<Texture> Playground::CreateTextureForFixture(
 std::shared_ptr<Texture> Playground::CreateTextureForFixture(
     const char* fixture_name,
     bool enable_mipmapping) const {
-  return CreateTextureForFixture(OpenAssetAsMapping(fixture_name),
-                                 enable_mipmapping);
+  auto texture = CreateTextureForFixture(OpenAssetAsMapping(fixture_name),
+                                         enable_mipmapping);
+  if (texture == nullptr) {
+    return nullptr;
+  }
+  texture->SetLabel(fixture_name);
+  return texture;
 }
 
 std::shared_ptr<Texture> Playground::CreateTextureCubeForFixture(

impeller/renderer/BUILD.gn

@@ -16,6 +16,8 @@ impeller_component("renderer") {
     "buffer.h",
     "buffer_view.cc",
     "buffer_view.h",
+    "capabilities.cc",
+    "capabilities.h",
     "command.cc",
     "command.h",
     "command_buffer.cc",
@@ -30,13 +32,10 @@ impeller_component("renderer") {
     "compute_pipeline_descriptor.h",
     "context.cc",
     "context.h",
-    "descriptor_set_layout.h",
     "device_buffer.cc",
     "device_buffer.h",
     "device_buffer_descriptor.cc",
     "device_buffer_descriptor.h",
-    "device_capabilities.cc",
-    "device_capabilities.h",
     "formats.cc",
     "formats.h",
     "gpu_tracer.cc",

impeller/renderer/backend/gles/context_gles.cc

@@ -7,7 +7,7 @@
 #include "impeller/base/config.h"
 #include "impeller/base/validation.h"
 #include "impeller/base/work_queue_common.h"
-#include "impeller/renderer/device_capabilities.h"
+#include "impeller/renderer/capabilities.h"
 
 namespace impeller {
 
@@ -72,7 +72,7 @@ ContextGLES::ContextGLES(std::unique_ptr<ProcTableGLES> gl,
   // Create the device capabilities.
   {
     device_capabilities_ =
-        DeviceCapabilitiesBuilder()
+        CapabilitiesBuilder()
             .SetHasThreadingRestrictions(true)
             .SetSupportsOffscreenMSAA(false)
             .SetSupportsSSBO(false)
@@ -145,13 +145,9 @@ std::shared_ptr<WorkQueue> ContextGLES::GetWorkQueue() const {
 }
 
 // |Context|
-const IDeviceCapabilities& ContextGLES::GetDeviceCapabilities() const {
-  return *device_capabilities_;
-}
-
-// |Context|
-PixelFormat ContextGLES::GetColorAttachmentPixelFormat() const {
-  return PixelFormat::kR8G8B8A8UNormInt;
+const std::shared_ptr<const Capabilities>& ContextGLES::GetCapabilities()
+    const {
+  return device_capabilities_;
 }
 
 }  // namespace impeller

impeller/renderer/backend/gles/context_gles.h

@@ -12,8 +12,8 @@
 #include "impeller/renderer/backend/gles/reactor_gles.h"
 #include "impeller/renderer/backend/gles/sampler_library_gles.h"
 #include "impeller/renderer/backend/gles/shader_library_gles.h"
+#include "impeller/renderer/capabilities.h"
 #include "impeller/renderer/context.h"
-#include "impeller/renderer/device_capabilities.h"
 
 namespace impeller {
 
@@ -41,7 +41,7 @@ class ContextGLES final : public Context,
   std::shared_ptr<SamplerLibraryGLES> sampler_library_;
   std::shared_ptr<WorkQueue> work_queue_;
   std::shared_ptr<AllocatorGLES> resource_allocator_;
-  std::unique_ptr<IDeviceCapabilities> device_capabilities_;
+  std::shared_ptr<const Capabilities> device_capabilities_;
   bool is_valid_ = false;
 
   ContextGLES(
@@ -70,10 +70,7 @@ class ContextGLES final : public Context,
   std::shared_ptr<WorkQueue> GetWorkQueue() const override;
 
   // |Context|
-  const IDeviceCapabilities& GetDeviceCapabilities() const override;
-
-  // |Context|
-  PixelFormat GetColorAttachmentPixelFormat() const override;
+  const std::shared_ptr<const Capabilities>& GetCapabilities() const override;
 
   FML_DISALLOW_COPY_AND_ASSIGN(ContextGLES);
 };