blender::nodes::node_composite_alpha_over_cc Namespace Reference

Functions
static void	node_declare (NodeDeclarationBuilder &b)
static int	node_gpu_material (GPUMaterial *material, bNode *node, bNodeExecData *, GPUNodeStack *inputs, GPUNodeStack *outputs)
static float4	preprocess_foreground (const float4 &foreground, const bool straight_alpha)
static float4	alpha_over (const float4 &background, const float4 &foreground, const float factor, const bool straight_alpha)
static float4	alpha_over_disjoint (const float4 &background, const float4 &foreground, const float factor, const bool straight_alpha)
static float4	alpha_over_conjoint (const float4 &background, const float4 &foreground, const float factor, const bool straight_alpha)
static void	node_build_multi_function (blender::nodes::NodeMultiFunctionBuilder &builder)
static void	register_node_type_cmp_alphaover ()

Variables
static const EnumPropertyItem	type_items []

Function Documentation

alpha_over()

float4 blender::nodes::node_composite_alpha_over_cc::alpha_over ( const float4 & background, const float4 & foreground, const float factor, const bool straight_alpha )

static

Definition at line 84 of file node_composite_alpha_over.cc.

References blender::math::clamp(), blender::math::interpolate(), and preprocess_foreground().

Referenced by node_build_multi_function().

alpha_over_conjoint()

float4 blender::nodes::node_composite_alpha_over_cc::alpha_over_conjoint ( const float4 & background, const float4 & foreground, const float factor, const bool straight_alpha )

static

Definition at line 126 of file node_composite_alpha_over.cc.

References blender::math::clamp(), blender::math::interpolate(), preprocess_foreground(), and blender::math::safe_divide().

Referenced by node_build_multi_function().

alpha_over_disjoint()

float4 blender::nodes::node_composite_alpha_over_cc::alpha_over_disjoint ( const float4 & background, const float4 & foreground, const float factor, const bool straight_alpha )

static

Definition at line 101 of file node_composite_alpha_over.cc.

References blender::math::clamp(), blender::math::interpolate(), preprocess_foreground(), and blender::math::safe_divide().

Referenced by node_build_multi_function().

node_build_multi_function()

void blender::nodes::node_composite_alpha_over_cc::node_build_multi_function ( blender::nodes::NodeMultiFunctionBuilder & builder )

static

Definition at line 147 of file node_composite_alpha_over.cc.

References alpha_over(), alpha_over_conjoint(), alpha_over_disjoint(), CMP_NODE_ALPHA_OVER_OPERATION_TYPE_CONJOINT_OVER, CMP_NODE_ALPHA_OVER_OPERATION_TYPE_DISJOINT_OVER, CMP_NODE_ALPHA_OVER_OPERATION_TYPE_OVER, blender::nodes::NodeMultiFunctionBuilder::set_matching_fn(), and blender::nodes::MenuValue::value.

Referenced by register_node_type_cmp_alphaover().

node_declare()

void blender::nodes::node_composite_alpha_over_cc::node_declare ( NodeDeclarationBuilder & b )

static

Definition at line 41 of file node_composite_alpha_over.cc.

References b, CMP_NODE_ALPHA_OVER_OPERATION_TYPE_OVER, blender::nodes::SocketDeclaration::description, blender::nodes::SocketDeclaration::optional_label, PROP_FACTOR, blender::nodes::decl::Float::subtype, and type_items.

Referenced by register_node_type_cmp_alphaover().

node_gpu_material()

int blender::nodes::node_composite_alpha_over_cc::node_gpu_material ( GPUMaterial * material, bNode * node, bNodeExecData * , GPUNodeStack * inputs, GPUNodeStack * outputs )

static

Definition at line 65 of file node_composite_alpha_over.cc.

References GPU_stack_link(), inputs, and outputs.

Referenced by register_node_type_cmp_alphaover().

preprocess_foreground()

float4 blender::nodes::node_composite_alpha_over_cc::preprocess_foreground ( const float4 & foreground, const bool straight_alpha )

static

Definition at line 76 of file node_composite_alpha_over.cc.

References blender::math::clamp(), and blender::VecBase< T, Size >::xyz().

Referenced by alpha_over(), alpha_over_conjoint(), and alpha_over_disjoint().

register_node_type_cmp_alphaover()

void blender::nodes::node_composite_alpha_over_cc::register_node_type_cmp_alphaover ( )

static

Definition at line 171 of file node_composite_alpha_over.cc.

References blender::bke::bNodeType::build_multi_function, CMP_NODE_ALPHAOVER, cmp_node_type_base(), blender::bke::bNodeType::declare, blender::bke::bNodeType::enum_name_legacy, blender::bke::bNodeType::gpu_fn, blender::bke::bNodeType::nclass, node_build_multi_function(), NODE_CLASS_OP_COLOR, node_declare(), node_gpu_material(), blender::bke::node_register_type(), blender::bke::bNodeType::ui_description, and blender::bke::bNodeType::ui_name.

Variable Documentation

type_items

const EnumPropertyItem blender::nodes::node_composite_alpha_over_cc::type_items[]

static

Initial value:

                                         = {
    {CMP_NODE_ALPHA_OVER_OPERATION_TYPE_OVER,
     "OVER",
     ICON_NONE,
     N_("Over"),
     N_("The foreground goes over the background according to the alpha of the foreground")},
    {CMP_NODE_ALPHA_OVER_OPERATION_TYPE_DISJOINT_OVER,
     "DISJOINT_OVER",
     ICON_NONE,
     N_("Disjoint Over"),
     N_("The foreground goes over the background according to the alpha of the foreground while "
        "assuming the background is being held out by the foreground")},
    {CMP_NODE_ALPHA_OVER_OPERATION_TYPE_CONJOINT_OVER,
     "CONJOINT_OVER",
     ICON_NONE,
     N_("Conjoint Over"),
     N_("The foreground goes over the background according to the alpha of the foreground but the "
        "foreground completely covers the background if it is more opaque")},
    {0, nullptr, 0, nullptr, nullptr},
}

Definition at line 20 of file node_composite_alpha_over.cc.

Referenced by node_declare().