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-rw-r--r--thirdparty/xatlas/xatlas.h36
1 files changed, 24 insertions, 12 deletions
diff --git a/thirdparty/xatlas/xatlas.h b/thirdparty/xatlas/xatlas.h
index fc40d9d49c..d66a96db21 100644
--- a/thirdparty/xatlas/xatlas.h
+++ b/thirdparty/xatlas/xatlas.h
@@ -36,7 +36,8 @@ Copyright NVIDIA Corporation 2006 -- Ignacio Castano <icastano@nvidia.com>
namespace xatlas {
-enum class ChartType {
+enum class ChartType
+{
Planar,
Ortho,
LSCM,
@@ -45,7 +46,8 @@ enum class ChartType {
};
// A group of connected faces, belonging to a single atlas.
-struct Chart {
+struct Chart
+{
uint32_t *faceArray;
uint32_t atlasIndex; // Sub-atlas index.
uint32_t faceCount;
@@ -54,7 +56,8 @@ struct Chart {
};
// Output vertex.
-struct Vertex {
+struct Vertex
+{
int32_t atlasIndex; // Sub-atlas index. -1 if the vertex doesn't exist in any atlas.
int32_t chartIndex; // -1 if the vertex doesn't exist in any chart.
float uv[2]; // Not normalized - values are in Atlas width and height range.
@@ -62,7 +65,8 @@ struct Vertex {
};
// Output mesh.
-struct Mesh {
+struct Mesh
+{
Chart *chartArray;
uint32_t *indexArray;
Vertex *vertexArray;
@@ -77,7 +81,8 @@ static const uint32_t kImageIsBilinearBit = 0x40000000;
static const uint32_t kImageIsPaddingBit = 0x20000000;
// Empty on creation. Populated after charts are packed.
-struct Atlas {
+struct Atlas
+{
uint32_t *image;
Mesh *meshes; // The output meshes, corresponding to each AddMesh call.
float *utilization; // Normalized atlas texel utilization array. E.g. a value of 0.8 means 20% empty space. atlasCount in length.
@@ -94,13 +99,15 @@ Atlas *Create();
void Destroy(Atlas *atlas);
-enum class IndexFormat {
+enum class IndexFormat
+{
UInt16,
UInt32
};
// Input mesh declaration.
-struct MeshDecl {
+struct MeshDecl
+{
const void *vertexPositionData = nullptr;
const void *vertexNormalData = nullptr; // optional
const void *vertexUvData = nullptr; // optional. The input UVs are provided as a hint to the chart generator.
@@ -131,7 +138,8 @@ struct MeshDecl {
float epsilon = 1.192092896e-07F;
};
-enum class AddMeshError {
+enum class AddMeshError
+{
Success, // No error.
Error, // Unspecified error.
IndexOutOfRange, // An index is >= MeshDecl vertexCount.
@@ -145,7 +153,8 @@ AddMeshError AddMesh(Atlas *atlas, const MeshDecl &meshDecl, uint32_t meshCountH
// Wait for AddMesh async processing to finish. ComputeCharts / Generate call this internally.
void AddMeshJoin(Atlas *atlas);
-struct UvMeshDecl {
+struct UvMeshDecl
+{
const void *vertexUvData = nullptr;
const void *indexData = nullptr; // optional
const uint32_t *faceMaterialData = nullptr; // Optional. Overlapping UVs should be assigned a different material. Must be indexCount / 3 in length.
@@ -161,7 +170,8 @@ AddMeshError AddUvMesh(Atlas *atlas, const UvMeshDecl &decl);
// Custom parameterization function. texcoords initial values are an orthogonal parameterization.
typedef void (*ParameterizeFunc)(const float *positions, float *texcoords, uint32_t vertexCount, const uint32_t *indices, uint32_t indexCount);
-struct ChartOptions {
+struct ChartOptions
+{
ParameterizeFunc paramFunc = nullptr;
float maxChartArea = 0.0f; // Don't grow charts to be larger than this. 0 means no limit.
@@ -184,7 +194,8 @@ struct ChartOptions {
// Call after all AddMesh calls. Can be called multiple times to recompute charts with different options.
void ComputeCharts(Atlas *atlas, ChartOptions options = ChartOptions());
-struct PackOptions {
+struct PackOptions
+{
// Charts larger than this will be scaled down. 0 means no limit.
uint32_t maxChartSize = 0;
@@ -227,7 +238,8 @@ void PackCharts(Atlas *atlas, PackOptions packOptions = PackOptions());
void Generate(Atlas *atlas, ChartOptions chartOptions = ChartOptions(), PackOptions packOptions = PackOptions());
// Progress tracking.
-enum class ProgressCategory {
+enum class ProgressCategory
+{
AddMesh,
ComputeCharts,
PackCharts,