Flutter Impeller
formats_vk.h
Go to the documentation of this file.
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 
5 #ifndef FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_FORMATS_VK_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_FORMATS_VK_H_
7 
8 #include <cstdint>
9 #include <ostream>
10 
11 #include "flutter/fml/hash_combine.h"
12 #include "flutter/fml/macros.h"
14 #include "impeller/core/formats.h"
17 #include "vulkan/vulkan_enums.hpp"
18 
19 namespace impeller {
20 
21 constexpr vk::SampleCountFlagBits ToVKSampleCountFlagBits(SampleCount count) {
22  switch (count) {
24  return vk::SampleCountFlagBits::e1;
26  return vk::SampleCountFlagBits::e4;
27  }
28  FML_UNREACHABLE();
29 }
30 
32  switch (factor) {
33  case BlendFactor::kZero:
34  return vk::BlendFactor::eZero;
35  case BlendFactor::kOne:
36  return vk::BlendFactor::eOne;
38  return vk::BlendFactor::eSrcColor;
40  return vk::BlendFactor::eOneMinusSrcColor;
42  return vk::BlendFactor::eSrcAlpha;
44  return vk::BlendFactor::eOneMinusSrcAlpha;
46  return vk::BlendFactor::eDstColor;
48  return vk::BlendFactor::eOneMinusDstColor;
50  return vk::BlendFactor::eDstAlpha;
52  return vk::BlendFactor::eOneMinusDstAlpha;
54  return vk::BlendFactor::eSrcAlphaSaturate;
56  return vk::BlendFactor::eConstantColor;
58  return vk::BlendFactor::eOneMinusConstantColor;
60  return vk::BlendFactor::eConstantAlpha;
62  return vk::BlendFactor::eOneMinusConstantAlpha;
63  }
64  FML_UNREACHABLE();
65 }
66 
67 constexpr vk::BlendOp ToVKBlendOp(BlendOperation op) {
68  switch (op) {
70  return vk::BlendOp::eAdd;
72  return vk::BlendOp::eSubtract;
74  return vk::BlendOp::eReverseSubtract;
75  }
76  FML_UNREACHABLE();
77 }
78 
79 constexpr vk::ColorComponentFlags ToVKColorComponentFlags(ColorWriteMask type) {
80  vk::ColorComponentFlags mask;
81 
82  if (type & ColorWriteMaskBits::kRed) {
83  mask |= vk::ColorComponentFlagBits::eR;
84  }
85 
86  if (type & ColorWriteMaskBits::kGreen) {
87  mask |= vk::ColorComponentFlagBits::eG;
88  }
89 
90  if (type & ColorWriteMaskBits::kBlue) {
91  mask |= vk::ColorComponentFlagBits::eB;
92  }
93 
94  if (type & ColorWriteMaskBits::kAlpha) {
95  mask |= vk::ColorComponentFlagBits::eA;
96  }
97 
98  return mask;
99 }
100 
101 constexpr vk::PipelineColorBlendAttachmentState
103  vk::PipelineColorBlendAttachmentState res;
104 
105  res.setBlendEnable(desc.blending_enabled);
106 
107  res.setSrcColorBlendFactor(ToVKBlendFactor(desc.src_color_blend_factor));
108  res.setColorBlendOp(ToVKBlendOp(desc.color_blend_op));
109  res.setDstColorBlendFactor(ToVKBlendFactor(desc.dst_color_blend_factor));
110 
111  res.setSrcAlphaBlendFactor(ToVKBlendFactor(desc.src_alpha_blend_factor));
112  res.setAlphaBlendOp(ToVKBlendOp(desc.alpha_blend_op));
113  res.setDstAlphaBlendFactor(ToVKBlendFactor(desc.dst_alpha_blend_factor));
114 
115  res.setColorWriteMask(ToVKColorComponentFlags(desc.write_mask));
116 
117  return res;
118 }
119 
120 constexpr std::optional<vk::ShaderStageFlagBits> ToVKShaderStageFlagBits(
121  ShaderStage stage) {
122  switch (stage) {
124  return std::nullopt;
126  return vk::ShaderStageFlagBits::eVertex;
128  return vk::ShaderStageFlagBits::eFragment;
130  return vk::ShaderStageFlagBits::eCompute;
131  }
132  FML_UNREACHABLE();
133 }
134 
135 constexpr vk::Format ToVKImageFormat(PixelFormat format) {
136  switch (format) {
141  return vk::Format::eUndefined;
143  // TODO(csg): This is incorrect. Don't depend on swizzle support for GLES.
144  return vk::Format::eR8Unorm;
146  return vk::Format::eR8G8B8A8Unorm;
148  return vk::Format::eR8G8B8A8Srgb;
150  return vk::Format::eB8G8R8A8Unorm;
152  return vk::Format::eB8G8R8A8Srgb;
154  return vk::Format::eR32G32B32A32Sfloat;
156  return vk::Format::eR16G16B16A16Sfloat;
158  return vk::Format::eS8Uint;
160  return vk::Format::eD24UnormS8Uint;
162  return vk::Format::eD32SfloatS8Uint;
164  return vk::Format::eR8Unorm;
166  return vk::Format::eR8G8Unorm;
167  }
168 
169  FML_UNREACHABLE();
170 }
171 
172 constexpr PixelFormat ToPixelFormat(vk::Format format) {
173  switch (format) {
174  case vk::Format::eUndefined:
175  return PixelFormat::kUnknown;
176  case vk::Format::eR8G8B8A8Unorm:
178  case vk::Format::eR8G8B8A8Srgb:
180  case vk::Format::eB8G8R8A8Unorm:
182  case vk::Format::eB8G8R8A8Srgb:
184  case vk::Format::eR32G32B32A32Sfloat:
186  case vk::Format::eR16G16B16A16Sfloat:
188  case vk::Format::eS8Uint:
189  return PixelFormat::kS8UInt;
190  case vk::Format::eD24UnormS8Uint:
192  case vk::Format::eD32SfloatS8Uint:
194  case vk::Format::eR8Unorm:
196  case vk::Format::eR8G8Unorm:
198  default:
199  return PixelFormat::kUnknown;
200  }
201 }
202 
203 constexpr vk::SampleCountFlagBits ToVKSampleCount(SampleCount sample_count) {
204  switch (sample_count) {
206  return vk::SampleCountFlagBits::e1;
208  return vk::SampleCountFlagBits::e4;
209  }
210 
211  FML_UNREACHABLE();
212 }
213 
214 constexpr vk::Filter ToVKSamplerMinMagFilter(MinMagFilter filter) {
215  switch (filter) {
217  return vk::Filter::eNearest;
219  return vk::Filter::eLinear;
220  }
221 
222  FML_UNREACHABLE();
223 }
224 
225 constexpr vk::SamplerMipmapMode ToVKSamplerMipmapMode(MipFilter filter) {
226  switch (filter) {
227  case MipFilter::kNearest:
228  return vk::SamplerMipmapMode::eNearest;
229  case MipFilter::kLinear:
230  return vk::SamplerMipmapMode::eLinear;
231  }
232 
233  FML_UNREACHABLE();
234 }
235 
237  SamplerAddressMode mode) {
238  switch (mode) {
240  return vk::SamplerAddressMode::eRepeat;
242  return vk::SamplerAddressMode::eMirroredRepeat;
244  return vk::SamplerAddressMode::eClampToEdge;
246  return vk::SamplerAddressMode::eClampToBorder;
247  }
248 
249  FML_UNREACHABLE();
250 }
251 
252 constexpr vk::ShaderStageFlags ToVkShaderStage(ShaderStage stage) {
253  switch (stage) {
255  return vk::ShaderStageFlagBits::eAll;
257  return vk::ShaderStageFlagBits::eFragment;
259  return vk::ShaderStageFlagBits::eCompute;
261  return vk::ShaderStageFlagBits::eVertex;
262  }
263 
264  FML_UNREACHABLE();
265 }
266 
268  switch (type) {
270  return vk::DescriptorType::eCombinedImageSampler;
271  break;
273  return vk::DescriptorType::eUniformBuffer;
274  break;
276  return vk::DescriptorType::eStorageBuffer;
277  break;
279  return vk::DescriptorType::eSampledImage;
280  break;
282  return vk::DescriptorType::eSampler;
283  break;
285  return vk::DescriptorType::eInputAttachment;
286  }
287 
288  FML_UNREACHABLE();
289 }
290 
291 constexpr vk::DescriptorSetLayoutBinding ToVKDescriptorSetLayoutBinding(
292  const DescriptorSetLayout& layout) {
293  vk::DescriptorSetLayoutBinding binding;
294  binding.binding = layout.binding;
295  binding.descriptorCount = 1u;
296  binding.descriptorType = ToVKDescriptorType(layout.descriptor_type);
297  binding.stageFlags = ToVkShaderStage(layout.shader_stage);
298  return binding;
299 }
300 
301 constexpr vk::AttachmentLoadOp ToVKAttachmentLoadOp(LoadAction load_action) {
302  switch (load_action) {
303  case LoadAction::kLoad:
304  return vk::AttachmentLoadOp::eLoad;
305  case LoadAction::kClear:
306  return vk::AttachmentLoadOp::eClear;
308  return vk::AttachmentLoadOp::eDontCare;
309  }
310 
311  FML_UNREACHABLE();
312 }
313 
314 constexpr vk::AttachmentStoreOp ToVKAttachmentStoreOp(StoreAction store_action,
315  bool is_resolve_texture) {
316  switch (store_action) {
317  case StoreAction::kStore:
318  // Both MSAA and resolve textures need to be stored. A resolve is NOT
319  // performed.
320  return vk::AttachmentStoreOp::eStore;
322  // Both MSAA and resolve textures can be discarded. A resolve is NOT
323  // performed.
324  return vk::AttachmentStoreOp::eDontCare;
326  // The resolve texture is stored but the MSAA texture can be discarded. A
327  // resolve IS performed.
328  return is_resolve_texture ? vk::AttachmentStoreOp::eStore
329  : vk::AttachmentStoreOp::eDontCare;
331  // Both MSAA and resolve textures need to be stored. A resolve IS
332  // performed.
333  return vk::AttachmentStoreOp::eStore;
334  }
335  FML_UNREACHABLE();
336 }
337 
338 constexpr bool StoreActionPerformsResolve(StoreAction store_action) {
339  switch (store_action) {
341  case StoreAction::kStore:
342  return false;
345  return true;
346  }
347  FML_UNREACHABLE();
348 }
349 
350 constexpr vk::IndexType ToVKIndexType(IndexType index_type) {
351  switch (index_type) {
352  case IndexType::k16bit:
353  return vk::IndexType::eUint16;
354  case IndexType::k32bit:
355  return vk::IndexType::eUint32;
356  case IndexType::kUnknown:
357  return vk::IndexType::eUint32;
358  case IndexType::kNone:
359  FML_UNREACHABLE();
360  }
361 
362  FML_UNREACHABLE();
363 }
364 
366  switch (mode) {
367  case PolygonMode::kFill:
368  return vk::PolygonMode::eFill;
369  case PolygonMode::kLine:
370  return vk::PolygonMode::eLine;
371  }
372  FML_UNREACHABLE();
373 }
374 
375 constexpr vk::PrimitiveTopology ToVKPrimitiveTopology(PrimitiveType primitive) {
376  switch (primitive) {
378  return vk::PrimitiveTopology::eTriangleList;
380  return vk::PrimitiveTopology::eTriangleStrip;
382  return vk::PrimitiveTopology::eLineList;
384  return vk::PrimitiveTopology::eLineStrip;
386  return vk::PrimitiveTopology::ePointList;
387  }
388 
389  FML_UNREACHABLE();
390 }
391 
392 constexpr bool PixelFormatIsDepthStencil(PixelFormat format) {
393  switch (format) {
407  return false;
411  return true;
412  }
413  return false;
414 }
415 
416 static constexpr vk::AttachmentReference kUnusedAttachmentReference = {
417  VK_ATTACHMENT_UNUSED, vk::ImageLayout::eUndefined};
418 
419 constexpr vk::CullModeFlags ToVKCullModeFlags(CullMode mode) {
420  switch (mode) {
421  case CullMode::kNone:
422  return vk::CullModeFlagBits::eNone;
424  return vk::CullModeFlagBits::eFront;
425  case CullMode::kBackFace:
426  return vk::CullModeFlagBits::eBack;
427  }
428  FML_UNREACHABLE();
429 }
430 
431 constexpr vk::CompareOp ToVKCompareOp(CompareFunction op) {
432  switch (op) {
434  return vk::CompareOp::eNever;
436  return vk::CompareOp::eAlways;
438  return vk::CompareOp::eLess;
440  return vk::CompareOp::eEqual;
442  return vk::CompareOp::eLessOrEqual;
444  return vk::CompareOp::eGreater;
446  return vk::CompareOp::eNotEqual;
448  return vk::CompareOp::eGreaterOrEqual;
449  }
450  FML_UNREACHABLE();
451 }
452 
453 constexpr vk::StencilOp ToVKStencilOp(StencilOperation op) {
454  switch (op) {
456  return vk::StencilOp::eKeep;
458  return vk::StencilOp::eZero;
460  return vk::StencilOp::eReplace;
462  return vk::StencilOp::eIncrementAndClamp;
464  return vk::StencilOp::eDecrementAndClamp;
466  return vk::StencilOp::eInvert;
468  return vk::StencilOp::eIncrementAndWrap;
470  return vk::StencilOp::eDecrementAndWrap;
471  break;
472  }
473  FML_UNREACHABLE();
474 }
475 
476 constexpr vk::StencilOpState ToVKStencilOpState(
477  const StencilAttachmentDescriptor& desc) {
478  vk::StencilOpState state;
479  state.failOp = ToVKStencilOp(desc.stencil_failure);
480  state.passOp = ToVKStencilOp(desc.depth_stencil_pass);
481  state.depthFailOp = ToVKStencilOp(desc.depth_failure);
482  state.compareOp = ToVKCompareOp(desc.stencil_compare);
483  state.compareMask = desc.read_mask;
484  state.writeMask = desc.write_mask;
485  // This is irrelevant as the stencil references are always dynamic state and
486  // will be set in the render pass.
487  state.reference = 1988;
488  return state;
489 }
490 
491 constexpr vk::ImageAspectFlags ToVKImageAspectFlags(PixelFormat format) {
492  switch (format) {
506  return vk::ImageAspectFlagBits::eColor;
508  return vk::ImageAspectFlagBits::eStencil;
511  return vk::ImageAspectFlagBits::eDepth |
512  vk::ImageAspectFlagBits::eStencil;
513  }
514  FML_UNREACHABLE();
515 }
516 
517 constexpr uint32_t ToArrayLayerCount(TextureType type) {
518  switch (type) {
521  return 1u;
523  return 6u;
526  << "kTextureExternalOES can not be used with the Vulkan backend.";
527  }
528  FML_UNREACHABLE();
529 }
530 
531 constexpr vk::ImageViewType ToVKImageViewType(TextureType type) {
532  switch (type) {
535  return vk::ImageViewType::e2D;
537  return vk::ImageViewType::eCube;
540  << "kTextureExternalOES can not be used with the Vulkan backend.";
541  }
542  FML_UNREACHABLE();
543 }
544 
545 constexpr vk::ImageCreateFlags ToVKImageCreateFlags(TextureType type) {
546  switch (type) {
549  return {};
551  return vk::ImageCreateFlagBits::eCubeCompatible;
554  << "kTextureExternalOES can not be used with the Vulkan backend.";
555  }
556  FML_UNREACHABLE();
557 }
558 
559 vk::PipelineDepthStencilStateCreateInfo ToVKPipelineDepthStencilStateCreateInfo(
560  std::optional<DepthAttachmentDescriptor> depth,
561  std::optional<StencilAttachmentDescriptor> front,
562  std::optional<StencilAttachmentDescriptor> back);
563 
564 constexpr vk::ImageAspectFlags ToImageAspectFlags(PixelFormat format) {
565  switch (format) {
567  return {};
580  return vk::ImageAspectFlagBits::eColor;
582  return vk::ImageAspectFlagBits::eStencil;
585  return vk::ImageAspectFlagBits::eDepth |
586  vk::ImageAspectFlagBits::eStencil;
587  }
588  FML_UNREACHABLE();
589 }
590 
591 } // namespace impeller
592 
593 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_FORMATS_VK_H_
impeller::StoreAction::kMultisampleResolve
@ kMultisampleResolve
impeller::PixelFormat::kS8UInt
@ kS8UInt
impeller::TextureType::kTextureExternalOES
@ kTextureExternalOES
impeller::ToVKSampleCount
constexpr vk::SampleCountFlagBits ToVKSampleCount(SampleCount sample_count)
Definition: formats_vk.h:203
impeller::ColorAttachmentDescriptor::src_color_blend_factor
BlendFactor src_color_blend_factor
Definition: formats.h:504
impeller::CompareFunction::kGreater
@ kGreater
Comparison test passes if new_value > current_value.
impeller::PrimitiveType::kLineStrip
@ kLineStrip
impeller::LoadAction::kLoad
@ kLoad
impeller::DescriptorSetLayout
Definition: shader_types.h:162
impeller::StoreAction
StoreAction
Definition: formats.h:209
impeller::StencilOperation::kDecrementClamp
@ kDecrementClamp
Decrement the current stencil value by 1. Clamp it to zero.
impeller::PixelFormatIsDepthStencil
constexpr bool PixelFormatIsDepthStencil(PixelFormat format)
Definition: formats_vk.h:392
impeller::ToVKColorComponentFlags
constexpr vk::ColorComponentFlags ToVKColorComponentFlags(ColorWriteMask type)
Definition: formats_vk.h:79
impeller::StoreAction::kStoreAndMultisampleResolve
@ kStoreAndMultisampleResolve
impeller::ToVKPipelineDepthStencilStateCreateInfo
vk::PipelineDepthStencilStateCreateInfo ToVKPipelineDepthStencilStateCreateInfo(std::optional< DepthAttachmentDescriptor > depth, std::optional< StencilAttachmentDescriptor > front, std::optional< StencilAttachmentDescriptor > back)
Definition: formats_vk.cc:9
impeller::IndexType::k16bit
@ k16bit
impeller::PolygonMode
PolygonMode
Definition: formats.h:384
impeller::StencilAttachmentDescriptor::depth_failure
StencilOperation depth_failure
Definition: formats.h:607
impeller::StencilAttachmentDescriptor::stencil_compare
CompareFunction stencil_compare
Definition: formats.h:598
impeller::ToVKSamplerAddressMode
constexpr vk::SamplerAddressMode ToVKSamplerAddressMode(SamplerAddressMode mode)
Definition: formats_vk.h:236
impeller::PixelFormat::kB10G10R10A10XR
@ kB10G10R10A10XR
impeller::PixelFormat::kB8G8R8A8UNormIntSRGB
@ kB8G8R8A8UNormIntSRGB
impeller::ShaderStage::kUnknown
@ kUnknown
impeller::PixelFormat::kA8UNormInt
@ kA8UNormInt
impeller::ToVKBlendFactor
constexpr vk::BlendFactor ToVKBlendFactor(BlendFactor factor)
Definition: formats_vk.h:31
impeller::BlendFactor::kSourceAlphaSaturated
@ kSourceAlphaSaturated
impeller::BlendFactor
BlendFactor
Definition: formats.h:179
impeller::PixelFormat::kR8UNormInt
@ kR8UNormInt
impeller::ToVKPolygonMode
constexpr vk::PolygonMode ToVKPolygonMode(PolygonMode mode)
Definition: formats_vk.h:365
impeller::ToVKPipelineColorBlendAttachmentState
constexpr vk::PipelineColorBlendAttachmentState ToVKPipelineColorBlendAttachmentState(const ColorAttachmentDescriptor &desc)
Definition: formats_vk.h:102
impeller::ColorWriteMaskBits::kGreen
@ kGreen
impeller::CompareFunction::kEqual
@ kEqual
Comparison test passes if new_value == current_value.
impeller::ToVKDescriptorType
constexpr vk::DescriptorType ToVKDescriptorType(DescriptorType type)
Definition: formats_vk.h:267
impeller::BlendFactor::kOneMinusSourceAlpha
@ kOneMinusSourceAlpha
impeller::SamplerAddressMode
SamplerAddressMode
Definition: formats.h:423
impeller::CompareFunction::kGreaterEqual
@ kGreaterEqual
Comparison test passes if new_value >= current_value.
impeller::StencilOperation::kKeep
@ kKeep
Don't modify the current stencil value.
impeller::PixelFormat::kR8G8B8A8UNormInt
@ kR8G8B8A8UNormInt
impeller::ToArrayLayerCount
constexpr uint32_t ToArrayLayerCount(TextureType type)
Definition: formats_vk.h:517
impeller::TextureType
TextureType
Definition: formats.h:263
formats.h
impeller::StencilOperation::kIncrementClamp
@ kIncrementClamp
Increment the current stencil value by 1. Clamp it to the maximum.
impeller::ColorAttachmentDescriptor::alpha_blend_op
BlendOperation alpha_blend_op
Definition: formats.h:509
impeller::ToVKCullModeFlags
constexpr vk::CullModeFlags ToVKCullModeFlags(CullMode mode)
Definition: formats_vk.h:419
impeller::ShaderStage
ShaderStage
Definition: shader_types.h:22
impeller::StoreAction::kDontCare
@ kDontCare
impeller::ToVKImageCreateFlags
constexpr vk::ImageCreateFlags ToVKImageCreateFlags(TextureType type)
Definition: formats_vk.h:545
impeller::DescriptorSetLayout::shader_stage
ShaderStage shader_stage
Definition: shader_types.h:165
impeller::ToVKSamplerMipmapMode
constexpr vk::SamplerMipmapMode ToVKSamplerMipmapMode(MipFilter filter)
Definition: formats_vk.h:225
impeller::StencilOperation::kInvert
@ kInvert
Perform a logical bitwise invert on the current stencil value.
impeller::SamplerAddressMode::kClampToEdge
@ kClampToEdge
impeller::BlendFactor::kDestinationAlpha
@ kDestinationAlpha
impeller::DescriptorType::kImage
@ kImage
impeller::IndexType::k32bit
@ k32bit
impeller::StencilAttachmentDescriptor::write_mask
uint32_t write_mask
Definition: formats.h:622
validation.h
impeller::ToVKStencilOpState
constexpr vk::StencilOpState ToVKStencilOpState(const StencilAttachmentDescriptor &desc)
Definition: formats_vk.h:476
impeller::StencilOperation
StencilOperation
Definition: formats.h:553
impeller::PolygonMode::kFill
@ kFill
impeller::ToVKAttachmentStoreOp
constexpr vk::AttachmentStoreOp ToVKAttachmentStoreOp(StoreAction store_action, bool is_resolve_texture)
Definition: formats_vk.h:314
impeller::StencilOperation::kSetToReferenceValue
@ kSetToReferenceValue
Reset the stencil value to the reference value.
impeller::ToVKCompareOp
constexpr vk::CompareOp ToVKCompareOp(CompareFunction op)
Definition: formats_vk.h:431
vk.h
impeller::BlendFactor::kSourceColor
@ kSourceColor
impeller::PixelFormat::kD32FloatS8UInt
@ kD32FloatS8UInt
impeller::PixelFormat
PixelFormat
The Pixel formats supported by Impeller. The naming convention denotes the usage of the component,...
Definition: formats.h:100
impeller::PrimitiveType::kLine
@ kLine
impeller::BlendFactor::kDestinationColor
@ kDestinationColor
impeller::MinMagFilter::kNearest
@ kNearest
Select nearest to the sample point. Most widely supported.
impeller::ToVKStencilOp
constexpr vk::StencilOp ToVKStencilOp(StencilOperation op)
Definition: formats_vk.h:453
impeller::Mask< ColorWriteMaskBits >
impeller::PrimitiveType::kTriangle
@ kTriangle
impeller::BlendFactor::kZero
@ kZero
impeller::TextureType::kTexture2DMultisample
@ kTexture2DMultisample
impeller::CullMode
CullMode
Definition: formats.h:338
impeller::MipFilter::kNearest
@ kNearest
Sample from the nearest mip level.
impeller::LoadAction::kClear
@ kClear
impeller::StencilOperation::kDecrementWrap
@ kDecrementWrap
Decrement the current stencil value by 1. If at zero, set to maximum.
impeller::CompareFunction
CompareFunction
Definition: formats.h:534
impeller::BlendFactor::kOneMinusDestinationColor
@ kOneMinusDestinationColor
impeller::PrimitiveType::kTriangleStrip
@ kTriangleStrip
impeller::PrimitiveType
PrimitiveType
Decides how backend draws pixels based on input vertices.
Definition: formats.h:353
impeller::CullMode::kBackFace
@ kBackFace
impeller::CullMode::kNone
@ kNone
impeller::StencilAttachmentDescriptor::read_mask
uint32_t read_mask
Definition: formats.h:617
impeller::ToVKImageFormat
constexpr vk::Format ToVKImageFormat(PixelFormat format)
Definition: formats_vk.h:135
impeller::MipFilter
MipFilter
Definition: formats.h:415
impeller::BlendOperation::kReverseSubtract
@ kReverseSubtract
impeller::ToVKIndexType
constexpr vk::IndexType ToVKIndexType(IndexType index_type)
Definition: formats_vk.h:350
impeller::BlendFactor::kBlendAlpha
@ kBlendAlpha
impeller::LoadAction
LoadAction
Definition: formats.h:203
impeller::PrimitiveType::kPoint
@ kPoint
Draws a point at each input vertex.
impeller::PixelFormat::kR8G8UNormInt
@ kR8G8UNormInt
impeller::BlendOperation::kAdd
@ kAdd
impeller::MinMagFilter::kLinear
@ kLinear
impeller::BlendFactor::kBlendColor
@ kBlendColor
impeller::ToVKDescriptorSetLayoutBinding
constexpr vk::DescriptorSetLayoutBinding ToVKDescriptorSetLayoutBinding(const DescriptorSetLayout &layout)
Definition: formats_vk.h:291
impeller::DescriptorType::kSampler
@ kSampler
impeller::IndexType
IndexType
Definition: formats.h:344
impeller::ToVKPrimitiveTopology
constexpr vk::PrimitiveTopology ToVKPrimitiveTopology(PrimitiveType primitive)
Definition: formats_vk.h:375
impeller::PixelFormat::kB10G10R10XR
@ kB10G10R10XR
impeller::PixelFormat::kD24UnormS8Uint
@ kD24UnormS8Uint
impeller::StencilAttachmentDescriptor::stencil_failure
StencilOperation stencil_failure
Definition: formats.h:602
impeller::BlendFactor::kOneMinusBlendColor
@ kOneMinusBlendColor
impeller::IndexType::kNone
@ kNone
Does not use the index buffer.
impeller::StencilOperation::kIncrementWrap
@ kIncrementWrap
Increment the current stencil value by 1. If at maximum, set to zero.
impeller::TextureType::kTextureCube
@ kTextureCube
impeller::MinMagFilter
MinMagFilter
Definition: formats.h:407
impeller::PixelFormat::kR16G16B16A16Float
@ kR16G16B16A16Float
impeller::StencilAttachmentDescriptor::depth_stencil_pass
StencilOperation depth_stencil_pass
Definition: formats.h:611
impeller::ToVKSampleCountFlagBits
constexpr vk::SampleCountFlagBits ToVKSampleCountFlagBits(SampleCount count)
Definition: formats_vk.h:21
impeller::ShaderStage::kFragment
@ kFragment
impeller::StoreAction::kStore
@ kStore
impeller::ToVkShaderStage
constexpr vk::ShaderStageFlags ToVkShaderStage(ShaderStage stage)
Definition: formats_vk.h:252
impeller::CompareFunction::kLessEqual
@ kLessEqual
Comparison test passes if new_value <= current_value.
impeller::BlendFactor::kOne
@ kOne
impeller::BlendFactor::kOneMinusBlendAlpha
@ kOneMinusBlendAlpha
impeller::DescriptorType::kSampledImage
@ kSampledImage
impeller::ToVKImageViewType
constexpr vk::ImageViewType ToVKImageViewType(TextureType type)
Definition: formats_vk.h:531
impeller::CompareFunction::kAlways
@ kAlways
Comparison test passes always passes.
impeller::ToVKImageAspectFlags
constexpr vk::ImageAspectFlags ToVKImageAspectFlags(PixelFormat format)
Definition: formats_vk.h:491
impeller::TextureType::kTexture2D
@ kTexture2D
impeller::StencilOperation::kZero
@ kZero
Reset the stencil value to zero.
impeller::PixelFormat::kR32G32B32A32Float
@ kR32G32B32A32Float
impeller::DescriptorType::kUniformBuffer
@ kUniformBuffer
impeller::PixelFormat::kUnknown
@ kUnknown
impeller::CompareFunction::kNever
@ kNever
Comparison test never passes.
impeller::ColorAttachmentDescriptor::src_alpha_blend_factor
BlendFactor src_alpha_blend_factor
Definition: formats.h:508
impeller::ToVKAttachmentLoadOp
constexpr vk::AttachmentLoadOp ToVKAttachmentLoadOp(LoadAction load_action)
Definition: formats_vk.h:301
VALIDATION_LOG
#define VALIDATION_LOG
Definition: validation.h:73
impeller::CullMode::kFrontFace
@ kFrontFace
impeller::ColorWriteMaskBits::kAlpha
@ kAlpha
impeller::ColorAttachmentDescriptor::dst_color_blend_factor
BlendFactor dst_color_blend_factor
Definition: formats.h:506
impeller::BlendOperation
BlendOperation
Definition: formats.h:197
impeller::ColorAttachmentDescriptor::dst_alpha_blend_factor
BlendFactor dst_alpha_blend_factor
Definition: formats.h:510
impeller::ToVKSamplerMinMagFilter
constexpr vk::Filter ToVKSamplerMinMagFilter(MinMagFilter filter)
Definition: formats_vk.h:214
impeller::PixelFormat::kR8G8B8A8UNormIntSRGB
@ kR8G8B8A8UNormIntSRGB
impeller::SamplerAddressMode::kMirror
@ kMirror
impeller::ShaderStage::kVertex
@ kVertex
impeller::LoadAction::kDontCare
@ kDontCare
impeller::StencilAttachmentDescriptor
Definition: formats.h:592
impeller::SampleCount
SampleCount
Definition: formats.h:296
impeller::BlendFactor::kOneMinusSourceColor
@ kOneMinusSourceColor
impeller::ColorWriteMaskBits::kRed
@ kRed
impeller::MipFilter::kLinear
@ kLinear
impeller::ColorWriteMaskBits::kBlue
@ kBlue
impeller::kUnusedAttachmentReference
static constexpr vk::AttachmentReference kUnusedAttachmentReference
Definition: formats_vk.h:416
impeller::SampleCount::kCount1
@ kCount1
impeller::SampleCount::kCount4
@ kCount4
impeller::PolygonMode::kLine
@ kLine
impeller::DescriptorType::kInputAttachment
@ kInputAttachment
impeller::ShaderStage::kCompute
@ kCompute
impeller::ColorAttachmentDescriptor::color_blend_op
BlendOperation color_blend_op
Definition: formats.h:505
impeller::CompareFunction::kNotEqual
@ kNotEqual
Comparison test passes if new_value != current_value.
impeller::PixelFormat::kB10G10R10XRSRGB
@ kB10G10R10XRSRGB
impeller::ToVKBlendOp
constexpr vk::BlendOp ToVKBlendOp(BlendOperation op)
Definition: formats_vk.h:67
impeller::ToVKShaderStageFlagBits
constexpr std::optional< vk::ShaderStageFlagBits > ToVKShaderStageFlagBits(ShaderStage stage)
Definition: formats_vk.h:120
impeller::PixelFormat::kB8G8R8A8UNormInt
@ kB8G8R8A8UNormInt
impeller::BlendFactor::kSourceAlpha
@ kSourceAlpha
impeller::DescriptorSetLayout::descriptor_type
DescriptorType descriptor_type
Definition: shader_types.h:164
shader_types.h
impeller::CompareFunction::kLess
@ kLess
Comparison test passes if new_value < current_value.
impeller
Definition: aiks_blur_unittests.cc:20
impeller::ColorAttachmentDescriptor::blending_enabled
bool blending_enabled
Definition: formats.h:502
impeller::BlendOperation::kSubtract
@ kSubtract
impeller::IndexType::kUnknown
@ kUnknown
impeller::DescriptorSetLayout::binding
uint32_t binding
Definition: shader_types.h:163
impeller::BlendFactor::kOneMinusDestinationAlpha
@ kOneMinusDestinationAlpha
impeller::ToPixelFormat
static PixelFormat ToPixelFormat(AHardwareBuffer_Format format)
Definition: ahb_texture_source_vk.cc:216
impeller::DescriptorType::kStorageBuffer
@ kStorageBuffer
impeller::ColorAttachmentDescriptor::write_mask
ColorWriteMask write_mask
Definition: formats.h:512
impeller::DescriptorType
DescriptorType
Definition: shader_types.h:153
impeller::StoreActionPerformsResolve
constexpr bool StoreActionPerformsResolve(StoreAction store_action)
Definition: formats_vk.h:338
impeller::ToImageAspectFlags
constexpr vk::ImageAspectFlags ToImageAspectFlags(PixelFormat format)
Definition: formats_vk.h:564
impeller::ColorAttachmentDescriptor
Describe the color attachment that will be used with this pipeline.
Definition: formats.h:500
impeller::SamplerAddressMode::kRepeat
@ kRepeat
impeller::SamplerAddressMode::kDecal
@ kDecal
decal sampling mode is only supported on devices that pass the Capabilities.SupportsDecalSamplerAddre...