diff options
Diffstat (limited to 'thirdparty/meshoptimizer/patches/attribute-aware-simplify.patch')
| -rw-r--r-- | thirdparty/meshoptimizer/patches/attribute-aware-simplify.patch | 49 |
1 files changed, 25 insertions, 24 deletions
diff --git a/thirdparty/meshoptimizer/patches/attribute-aware-simplify.patch b/thirdparty/meshoptimizer/patches/attribute-aware-simplify.patch index 33a17fe9fa..c065026a7d 100644 --- a/thirdparty/meshoptimizer/patches/attribute-aware-simplify.patch +++ b/thirdparty/meshoptimizer/patches/attribute-aware-simplify.patch @@ -1,21 +1,21 @@ diff --git a/thirdparty/meshoptimizer/meshoptimizer.h b/thirdparty/meshoptimizer/meshoptimizer.h -index be4b765d97..463fad29da 100644 +index d95725dd71..46d28d3ea3 100644 --- a/thirdparty/meshoptimizer/meshoptimizer.h +++ b/thirdparty/meshoptimizer/meshoptimizer.h -@@ -328,6 +328,11 @@ MESHOPTIMIZER_EXPERIMENTAL void meshopt_encodeFilterExp(void* destination, size_ - */ - MESHOPTIMIZER_EXPERIMENTAL size_t meshopt_simplify(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions, size_t vertex_count, size_t vertex_positions_stride, size_t target_index_count, float target_error, float* result_error); +@@ -321,6 +321,11 @@ enum + meshopt_SimplifyLockBorder = 1 << 0, + }; +/** + * Experimental: Mesh simplifier with attribute metric; attributes follow xyz position data atm (vertex data must contain 3 + attribute_count floats per vertex) + */ -+MESHOPTIMIZER_EXPERIMENTAL size_t meshopt_simplifyWithAttributes(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_data, size_t vertex_count, size_t vertex_stride, size_t target_index_count, float target_error, float* result_error, const float* attributes, const float* attribute_weights, size_t attribute_count); ++MESHOPTIMIZER_EXPERIMENTAL size_t meshopt_simplifyWithAttributes(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_data, size_t vertex_count, size_t vertex_stride, size_t target_index_count, float target_error, unsigned int options, float* result_error, const float* attributes, const float* attribute_weights, size_t attribute_count); + /** - * Experimental: Mesh simplifier (sloppy) - * Reduces the number of triangles in the mesh, sacrificing mesh appearance for simplification performance + * Mesh simplifier + * Reduces the number of triangles in the mesh, attempting to preserve mesh appearance as much as possible diff --git a/thirdparty/meshoptimizer/simplifier.cpp b/thirdparty/meshoptimizer/simplifier.cpp -index a74b08a97d..5e92e2dc73 100644 +index 5f0e9bac31..797329b010 100644 --- a/thirdparty/meshoptimizer/simplifier.cpp +++ b/thirdparty/meshoptimizer/simplifier.cpp @@ -20,6 +20,8 @@ @@ -27,7 +27,7 @@ index a74b08a97d..5e92e2dc73 100644 // This work is based on: // Michael Garland and Paul S. Heckbert. Surface simplification using quadric error metrics. 1997 // Michael Garland. Quadric-based polygonal surface simplification. 1999 -@@ -371,6 +373,10 @@ static void classifyVertices(unsigned char* result, unsigned int* loop, unsigned +@@ -376,6 +378,10 @@ static void classifyVertices(unsigned char* result, unsigned int* loop, unsigned struct Vector3 { float x, y, z; @@ -38,7 +38,7 @@ index a74b08a97d..5e92e2dc73 100644 }; static float rescalePositions(Vector3* result, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride) -@@ -427,6 +433,13 @@ struct Quadric +@@ -432,6 +438,13 @@ struct Quadric float a10, a20, a21; float b0, b1, b2, c; float w; @@ -52,7 +52,7 @@ index a74b08a97d..5e92e2dc73 100644 }; struct Collapse -@@ -469,6 +482,16 @@ static void quadricAdd(Quadric& Q, const Quadric& R) +@@ -474,6 +487,16 @@ static void quadricAdd(Quadric& Q, const Quadric& R) Q.b2 += R.b2; Q.c += R.c; Q.w += R.w; @@ -69,7 +69,7 @@ index a74b08a97d..5e92e2dc73 100644 } static float quadricError(const Quadric& Q, const Vector3& v) -@@ -494,6 +517,17 @@ static float quadricError(const Quadric& Q, const Vector3& v) +@@ -499,6 +522,17 @@ static float quadricError(const Quadric& Q, const Vector3& v) r += ry * v.y; r += rz * v.z; @@ -87,7 +87,7 @@ index a74b08a97d..5e92e2dc73 100644 float s = Q.w == 0.f ? 0.f : 1.f / Q.w; return fabsf(r) * s; -@@ -517,6 +551,13 @@ static void quadricFromPlane(Quadric& Q, float a, float b, float c, float d, flo +@@ -522,6 +556,13 @@ static void quadricFromPlane(Quadric& Q, float a, float b, float c, float d, flo Q.b2 = c * dw; Q.c = d * dw; Q.w = w; @@ -101,7 +101,7 @@ index a74b08a97d..5e92e2dc73 100644 } static void quadricFromPoint(Quadric& Q, float x, float y, float z, float w) -@@ -569,6 +610,84 @@ static void quadricFromTriangleEdge(Quadric& Q, const Vector3& p0, const Vector3 +@@ -574,6 +615,84 @@ static void quadricFromTriangleEdge(Quadric& Q, const Vector3& p0, const Vector3 quadricFromPlane(Q, normal.x, normal.y, normal.z, -distance, length * weight); } @@ -186,7 +186,7 @@ index a74b08a97d..5e92e2dc73 100644 static void fillFaceQuadrics(Quadric* vertex_quadrics, const unsigned int* indices, size_t index_count, const Vector3* vertex_positions, const unsigned int* remap) { for (size_t i = 0; i < index_count; i += 3) -@@ -580,6 +699,9 @@ static void fillFaceQuadrics(Quadric* vertex_quadrics, const unsigned int* indic +@@ -585,6 +704,9 @@ static void fillFaceQuadrics(Quadric* vertex_quadrics, const unsigned int* indic Quadric Q; quadricFromTriangle(Q, vertex_positions[i0], vertex_positions[i1], vertex_positions[i2], 1.f); @@ -196,29 +196,30 @@ index a74b08a97d..5e92e2dc73 100644 quadricAdd(vertex_quadrics[remap[i0]], Q); quadricAdd(vertex_quadrics[remap[i1]], Q); quadricAdd(vertex_quadrics[remap[i2]], Q); -@@ -1273,13 +1395,19 @@ MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoopBack = 0; +@@ -1278,14 +1400,20 @@ MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoopBack = 0; #endif - size_t meshopt_simplify(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, size_t target_index_count, float target_error, float* out_result_error) + size_t meshopt_simplify(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, size_t target_index_count, float target_error, unsigned int options, float* out_result_error) +{ -+ return meshopt_simplifyWithAttributes(destination, indices, index_count, vertex_positions_data, vertex_count, vertex_positions_stride, target_index_count, target_error, out_result_error, 0, 0, 0); ++ return meshopt_simplifyWithAttributes(destination, indices, index_count, vertex_positions_data, vertex_count, vertex_positions_stride, target_index_count, target_error, options, out_result_error, 0, 0, 0); +} + -+size_t meshopt_simplifyWithAttributes(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_data, size_t vertex_count, size_t vertex_stride, size_t target_index_count, float target_error, float* out_result_error, const float* attributes, const float* attribute_weights, size_t attribute_count) ++size_t meshopt_simplifyWithAttributes(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_data, size_t vertex_count, size_t vertex_stride, size_t target_index_count, float target_error, unsigned int options, float* out_result_error, const float* attributes, const float* attribute_weights, size_t attribute_count) { using namespace meshopt; assert(index_count % 3 == 0); -- assert(vertex_positions_stride > 0 && vertex_positions_stride <= 256); +- assert(vertex_positions_stride >= 12 && vertex_positions_stride <= 256); - assert(vertex_positions_stride % sizeof(float) == 0); -+ assert(vertex_stride > 0 && vertex_stride <= 256); ++ assert(vertex_stride >= 12 && vertex_stride <= 256); + assert(vertex_stride % sizeof(float) == 0); assert(target_index_count <= index_count); + assert((options & ~(meshopt_SimplifyLockBorder)) == 0); + assert(attribute_count <= ATTRIBUTES); meshopt_Allocator allocator; -@@ -1293,7 +1421,7 @@ size_t meshopt_simplify(unsigned int* destination, const unsigned int* indices, +@@ -1299,7 +1427,7 @@ size_t meshopt_simplify(unsigned int* destination, const unsigned int* indices, // build position remap that maps each vertex to the one with identical position unsigned int* remap = allocator.allocate<unsigned int>(vertex_count); unsigned int* wedge = allocator.allocate<unsigned int>(vertex_count); @@ -227,7 +228,7 @@ index a74b08a97d..5e92e2dc73 100644 // classify vertices; vertex kind determines collapse rules, see kCanCollapse unsigned char* vertex_kind = allocator.allocate<unsigned char>(vertex_count); -@@ -1317,7 +1445,21 @@ size_t meshopt_simplify(unsigned int* destination, const unsigned int* indices, +@@ -1323,7 +1451,21 @@ size_t meshopt_simplify(unsigned int* destination, const unsigned int* indices, #endif Vector3* vertex_positions = allocator.allocate<Vector3>(vertex_count); @@ -250,7 +251,7 @@ index a74b08a97d..5e92e2dc73 100644 Quadric* vertex_quadrics = allocator.allocate<Quadric>(vertex_count); memset(vertex_quadrics, 0, vertex_count * sizeof(Quadric)); -@@ -1409,7 +1551,9 @@ size_t meshopt_simplify(unsigned int* destination, const unsigned int* indices, +@@ -1415,7 +1557,9 @@ size_t meshopt_simplify(unsigned int* destination, const unsigned int* indices, // result_error is quadratic; we need to remap it back to linear if (out_result_error) |