impeller::RuntimeUniformDescription Struct Reference

#include <runtime_types.h>

Public Member Functions
size_t	GetSize () const
	Computes the total number of bytes that this uniform requires. More...

Public Attributes
std::string	name
size_t	location = 0u
size_t	binding = 0u
	Location, but for Vulkan. More...
RuntimeUniformType	type = RuntimeUniformType::kFloat
RuntimeUniformDimensions	dimensions = {}
size_t	bit_width = 0u
std::optional< size_t >	array_elements
std::vector< uint8_t >	struct_layout = {}
size_t	struct_float_count = 0u

Detailed Description

Definition at line 41 of file runtime_types.h.

Member Function Documentation

GetSize()

size_t impeller::RuntimeUniformDescription::GetSize

(

)

const

Computes the total number of bytes that this uniform requires.

Definition at line 9 of file runtime_types.cc.

                                                {
  size_t size = dimensions.rows * dimensions.cols * bit_width / 8u;
  if (array_elements.value_or(0) > 0) {
    // Covered by check on the line above.
    // NOLINTNEXTLINE(bugprone-unchecked-optional-access)
    size *= array_elements.value();
  }
  size += sizeof(float) * struct_layout.size();
  return size;
}

References array_elements, bit_width, impeller::RuntimeUniformDimensions::cols, dimensions, impeller::RuntimeUniformDimensions::rows, and struct_layout.

Member Data Documentation

array_elements

std::optional<size_t> impeller::RuntimeUniformDescription::array_elements

Definition at line 49 of file runtime_types.h.

Referenced by GetSize(), impeller::MakeShaderMetadata(), and impeller::RuntimeStage::RuntimeStage().

binding

size_t impeller::RuntimeUniformDescription::binding = 0u

Location, but for Vulkan.

Definition at line 45 of file runtime_types.h.

Referenced by impeller::RuntimeStage::RuntimeStage().

bit_width

size_t impeller::RuntimeUniformDescription::bit_width = 0u

Definition at line 48 of file runtime_types.h.

Referenced by GetSize(), impeller::MakeShaderMetadata(), and impeller::RuntimeStage::RuntimeStage().

dimensions

RuntimeUniformDimensions impeller::RuntimeUniformDescription::dimensions = {}

Definition at line 47 of file runtime_types.h.

Referenced by GetSize(), impeller::MakeShaderMetadata(), and impeller::RuntimeStage::RuntimeStage().

location

size_t impeller::RuntimeUniformDescription::location = 0u

Definition at line 43 of file runtime_types.h.

Referenced by impeller::RuntimeStage::RuntimeStage().

name

std::string impeller::RuntimeUniformDescription::name

Definition at line 42 of file runtime_types.h.

Referenced by impeller::MakeShaderMetadata(), and impeller::RuntimeStage::RuntimeStage().

struct_float_count

size_t impeller::RuntimeUniformDescription::struct_float_count = 0u

Definition at line 51 of file runtime_types.h.

Referenced by impeller::RuntimeStage::RuntimeStage().

struct_layout

std::vector<uint8_t> impeller::RuntimeUniformDescription::struct_layout = {}

Definition at line 50 of file runtime_types.h.

Referenced by impeller::RuntimeEffectContents::EmplaceVulkanUniform(), GetSize(), and impeller::RuntimeStage::RuntimeStage().

type

RuntimeUniformType impeller::RuntimeUniformDescription::type = RuntimeUniformType::kFloat

Definition at line 46 of file runtime_types.h.

Referenced by impeller::MakeShaderMetadata(), and impeller::RuntimeStage::RuntimeStage().

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The documentation for this struct was generated from the following files:

• impeller/core/runtime_types.h
• impeller/core/runtime_types.cc