#include <runtime_types.h>

Public Member Functions
size_t	GetDartSize () const
	Computes the total number of bytes that this uniform requires for representation in the Dart float buffer. More...

size_t	GetGPUSize () const
	Computes the total number of bytes that this uniform requires for representation in the GPU. 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< RuntimePaddingType >	padding_layout = {}

std::vector< StructField >	struct_fields = {}

size_t	struct_float_count = 0u

Detailed Description

Definition at line 52 of file runtime_types.h.

Member Function Documentation

◆ GetDartSize()

size_t impeller::RuntimeUniformDescription::GetDartSize ( ) const

Computes the total number of bytes that this uniform requires for representation in the Dart float buffer.

Definition at line 9 of file runtime_types.cc.

                                                     {
   size_t size = 0;
   if (!padding_layout.empty()) {
     for (impeller::RuntimePaddingType byte_type : padding_layout) {
       if (byte_type == RuntimePaddingType::kFloat) {
         size += sizeof(float);
       }
     }
   } else {
     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();
   }
   return size;
 }

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

◆ GetGPUSize()

size_t impeller::RuntimeUniformDescription::GetGPUSize ( ) const

Computes the total number of bytes that this uniform requires for representation in the GPU.

Definition at line 28 of file runtime_types.cc.

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