Flutter Impeller
formats.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
6 
7 #include <sstream>
8 
11 #include "impeller/core/texture.h"
12 
13 namespace impeller {
14 
16  switch (action) {
19  return false;
22  return true;
23  }
24 }
25 
26 bool Attachment::IsValid() const {
27  if (!texture || !texture->IsValid()) {
28  VALIDATION_LOG << "Attachment has no texture.";
29  return false;
30  }
31 
33  if (!resolve_texture || !resolve_texture->IsValid()) {
34  VALIDATION_LOG << "Store action needs resolve but no valid resolve "
35  "texture specified.";
36  return false;
37  }
38  }
39 
40  if (resolve_texture) {
43  VALIDATION_LOG << "A resolve texture was specified, but the store action "
44  "doesn't include multisample resolve.";
45  return false;
46  }
47 
48  if (texture->GetTextureDescriptor().storage_mode ==
52  << "The multisample texture cannot be transient when "
53  "specifying the StoreAndMultisampleResolve StoreAction.";
54  }
55  }
56 
57  auto storage_mode = resolve_texture
58  ? resolve_texture->GetTextureDescriptor().storage_mode
59  : texture->GetTextureDescriptor().storage_mode;
60 
61  if (storage_mode == StorageMode::kDeviceTransient) {
63  VALIDATION_LOG << "The LoadAction cannot be Load when attaching a device "
64  "transient " +
65  std::string(resolve_texture ? "resolve texture."
66  : "texture.");
67  return false;
68  }
70  VALIDATION_LOG << "The StoreAction must be DontCare when attaching a "
71  "device transient " +
72  std::string(resolve_texture ? "resolve texture."
73  : "texture.");
74  return false;
75  }
76  }
77 
78  return true;
79 }
80 
82  std::vector<TextureUsage> usages;
83  if (mask & TextureUsage::kShaderRead) {
84  usages.push_back(TextureUsage::kShaderRead);
85  }
86  if (mask & TextureUsage::kShaderWrite) {
87  usages.push_back(TextureUsage::kShaderWrite);
88  }
89  if (mask & TextureUsage::kRenderTarget) {
90  usages.push_back(TextureUsage::kRenderTarget);
91  }
92  std::stringstream stream;
93  stream << "{ ";
94  for (size_t i = 0; i < usages.size(); i++) {
95  stream << TextureUsageToString(usages[i]);
96  if (i != usages.size() - 1u) {
97  stream << ", ";
98  }
99  }
100  stream << " }";
101  return stream.str();
102 }
103 
104 std::string AttachmentToString(const Attachment& attachment) {
105  std::stringstream stream;
106  if (attachment.texture) {
107  stream << "Texture=("
109  attachment.texture->GetTextureDescriptor())
110  << "),";
111  }
112  if (attachment.resolve_texture) {
113  stream << "ResolveTexture=("
115  attachment.resolve_texture->GetTextureDescriptor())
116  << "),";
117  }
118  stream << "LoadAction=" << LoadActionToString(attachment.load_action) << ",";
119  stream << "StoreAction=" << StoreActionToString(attachment.store_action);
120  return stream.str();
121 }
122 
123 std::string ColorAttachmentToString(const ColorAttachment& color) {
124  std::stringstream stream;
125  stream << AttachmentToString(color) << ",";
126  stream << "ClearColor=(" << ColorToString(color.clear_color) << ")";
127  return stream.str();
128 }
129 
130 std::string DepthAttachmentToString(const DepthAttachment& depth) {
131  std::stringstream stream;
132  stream << AttachmentToString(depth) << ",";
133  stream << "ClearDepth=" << SPrintF("%.2f", depth.clear_depth);
134  return stream.str();
135 }
136 
137 std::string StencilAttachmentToString(const StencilAttachment& stencil) {
138  std::stringstream stream;
139  stream << AttachmentToString(stencil) << ",";
140  stream << "ClearStencil=" << stencil.clear_stencil;
141  return stream.str();
142 }
143 
144 } // namespace impeller
std::string TextureDescriptorToString(const TextureDescriptor &desc)
std::string DepthAttachmentToString(const DepthAttachment &depth)
Definition: formats.cc:130
std::string ColorAttachmentToString(const ColorAttachment &color)
Definition: formats.cc:123
constexpr const char * LoadActionToString(LoadAction action)
Definition: formats.h:215
std::string StencilAttachmentToString(const StencilAttachment &stencil)
Definition: formats.cc:137
std::string TextureUsageMaskToString(TextureUsageMask mask)
Definition: formats.cc:81
std::string AttachmentToString(const Attachment &attachment)
Definition: formats.cc:104
std::string SPrintF(const char *format,...)
Definition: strings.cc:12
constexpr const char * TextureUsageToString(TextureUsage usage)
Definition: formats.h:310
StoreAction
Definition: formats.h:208
constexpr bool StoreActionNeedsResolveTexture(StoreAction action)
Definition: formats.cc:15
std::string ColorToString(const Color &color)
Definition: color.cc:333
constexpr const char * StoreActionToString(StoreAction action)
Definition: formats.h:226
std::shared_ptr< Texture > resolve_texture
Definition: formats.h:658
bool IsValid() const
Definition: formats.cc:26
LoadAction load_action
Definition: formats.h:659
std::shared_ptr< Texture > texture
Definition: formats.h:657
StoreAction store_action
Definition: formats.h:660
#define VALIDATION_LOG
Definition: validation.h:91