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Merge pull request #15114 from capnm/fix-bad-lightmap-crash 

Avoid thekla_unwrap crash
This commit is contained in:
Rémi Verschelde 2018-01-03 12:36:47 +01:00 committed by GitHub
parent 8cf9269cdb c0226d2e92
commit 5519481803
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 166 additions and 1 deletions
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7
modules/thekla_unwrap/register_types.cpp
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@ -28,7 +28,9 @@
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "register_types.h"
#include "error_macros.h"
#include "thirdparty/thekla_atlas/thekla/thekla_atlas.h"
#include <stdio.h>
#include <stdlib.h>
extern bool (*array_mesh_lightmap_unwrap_callback)(float p_texel_size, const float *p_vertices, const float *p_normals, int p_vertex_count, const int *p_indices, const int *p_face_materials, int p_index_count, float **r_uv, int **r_vertex, int *r_vertex_count, int **r_index, int *r_index_count, int *r_size_hint_x, int *r_size_hint_y);
@ -74,6 +76,11 @@ bool thekla_mesh_lightmap_unwrap_callback(float p_texel_size, const float *p_ver
delete[] input_mesh.face_array;
delete[] input_mesh.vertex_array;
if (output == NULL) {
ERR_PRINT("could not generate atlas output mesh");
return false;
}
if (err != Thekla::Atlas_Error_Success) {
printf("error with atlas\n");
} else {

154
thirdparty/thekla_atlas/godot-changes.patch vendored Normal file
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@ -0,0 +1,154 @@
diff --git a/thirdparty/thekla_atlas/nvmesh/param/AtlasPacker.cpp b/thirdparty/thekla_atlas/nvmesh/param/AtlasPacker.cpp
index 5ce452c..11e635d 100644
--- a/thirdparty/thekla_atlas/nvmesh/param/AtlasPacker.cpp
+++ b/thirdparty/thekla_atlas/nvmesh/param/AtlasPacker.cpp
@@ -142,9 +142,11 @@ AtlasPacker::AtlasPacker(Atlas * atlas) : m_atlas(atlas), m_bitmap(256, 256)
{
m_width = 0;
m_height = 0;
-
- m_debug_bitmap.allocate(256, 256);
- m_debug_bitmap.fill(Color32(0,0,0,0));
+
+ // -- GODOT start --
+ //m_debug_bitmap.allocate(256, 256);
+ //m_debug_bitmap.fill(Color32(0,0,0,0));
+ // -- GODOT end --
}
AtlasPacker::~AtlasPacker()
@@ -465,7 +467,11 @@ void AtlasPacker::packCharts(int quality, float texelsPerUnit, bool blockAligned
nvDebug("origin: %f %f\n", origin.x, origin.y);
nvDebug("majorAxis: %f %f\n", majorAxis.x, majorAxis.y);
nvDebug("minorAxis: %f %f\n", minorAxis.x, minorAxis.y);
- nvDebugBreak();
+ // -- GODOT start --
+ //nvDebugBreak();
+ m_atlas->setFailed();
+ return;
+ // -- GODOT end --
}
//nvCheck(tmp.x >= 0 && tmp.y >= 0);
@@ -597,8 +603,10 @@ void AtlasPacker::packCharts(int quality, float texelsPerUnit, bool blockAligned
m_bitmap.clearAll();
if (approximateExtent > m_bitmap.width()) {
m_bitmap.resize(approximateExtent, approximateExtent, false);
- m_debug_bitmap.resize(approximateExtent, approximateExtent);
- m_debug_bitmap.fill(Color32(0,0,0,0));
+ // -- GODOT start --
+ //m_debug_bitmap.resize(approximateExtent, approximateExtent);
+ //m_debug_bitmap.fill(Color32(0,0,0,0));
+ // -- GODOT end --
}
@@ -680,20 +688,24 @@ void AtlasPacker::packCharts(int quality, float texelsPerUnit, bool blockAligned
{
//nvDebug("Resize bitmap (%d, %d).\n", nextPowerOfTwo(w), nextPowerOfTwo(h));
m_bitmap.resize(nextPowerOfTwo(U32(w)), nextPowerOfTwo(U32(h)), false);
- m_debug_bitmap.resize(nextPowerOfTwo(U32(w)), nextPowerOfTwo(U32(h)));
+ // -- GODOT start --
+ //m_debug_bitmap.resize(nextPowerOfTwo(U32(w)), nextPowerOfTwo(U32(h)));
+ // -- GODOT end --
}
//nvDebug("Add chart at (%d, %d).\n", best_x, best_y);
addChart(&chart_bitmap, w, h, best_x, best_y, best_r, /*debugOutput=*/NULL);
+ // -- GODOT start --
// IC: Output chart again to debug bitmap.
- if (chart->isVertexMapped()) {
+ /*if (chart->isVertexMapped()) {
addChart(&chart_bitmap, w, h, best_x, best_y, best_r, &m_debug_bitmap);
}
else {
addChart(chart, w, h, best_x, best_y, best_r, &m_debug_bitmap);
- }
+ }*/
+ // -- GODOT end --
//float best_angle = 2 * PI * best_r;
@@ -842,8 +854,10 @@ void AtlasPacker::packCharts(int quality, float texelsPerUnit, bool blockAligned
nvCheck(isAligned(m_width, 4));
nvCheck(isAligned(m_height, 4));
- m_debug_bitmap.resize(m_width, m_height);
- m_debug_bitmap.setFormat(Image::Format_ARGB);
+ // -- GODOT start --
+ //m_debug_bitmap.resize(m_width, m_height);
+ //m_debug_bitmap.setFormat(Image::Format_ARGB);
+ // -- GODOT end --
#if DEBUG_OUTPUT
//outputDebugBitmap("debug_packer_final.tga", m_bitmap, w, h);
diff --git a/thirdparty/thekla_atlas/nvmesh/param/AtlasPacker.h b/thirdparty/thekla_atlas/nvmesh/param/AtlasPacker.h
index 2d305f3..845dbfb 100644
--- a/thirdparty/thekla_atlas/nvmesh/param/AtlasPacker.h
+++ b/thirdparty/thekla_atlas/nvmesh/param/AtlasPacker.h
@@ -48,7 +48,9 @@ namespace nv
Atlas * m_atlas;
BitMap m_bitmap;
- Image m_debug_bitmap;
+ // -- GODOT start --
+ //Image m_debug_bitmap;
+ // -- GODOT end --
RadixSort m_radix;
uint m_width;
diff --git a/thirdparty/thekla_atlas/thekla/thekla_atlas.cpp b/thirdparty/thekla_atlas/thekla/thekla_atlas.cpp
index d6f0acc..de1953d 100644
--- a/thirdparty/thekla_atlas/thekla/thekla_atlas.cpp
+++ b/thirdparty/thekla_atlas/thekla/thekla_atlas.cpp
@@ -2,6 +2,9 @@
#include "thekla_atlas.h"
#include <cfloat>
+// -- GODOT start --
+#include <stdio.h>
+// -- GODOT end --
#include "nvmesh/halfedge/Edge.h"
#include "nvmesh/halfedge/Mesh.h"
@@ -112,6 +115,8 @@ static Atlas_Output_Mesh * mesh_atlas_to_output(const HalfEdge::Mesh * mesh, con
output->index_count = face_count * 3;
output->index_array = new int[face_count * 3];
+ // -- GODOT start --
+ int face_ofs = 0;
// Set face indices.
for (int f = 0; f < face_count; f++) {
uint c = charts->faceChartAt(f);
@@ -121,14 +126,26 @@ static Atlas_Output_Mesh * mesh_atlas_to_output(const HalfEdge::Mesh * mesh, con
const Chart * chart = charts->chartAt(c);
nvDebugCheck(chart->faceAt(i) == f);
+ if (i >= chart->chartMesh()->faceCount()) {
+ printf("WARNING: Faces may be missing in the final vertex, which could not be packed\n");
+ continue;
+ }
+
const HalfEdge::Face * face = chart->chartMesh()->faceAt(i);
const HalfEdge::Edge * edge = face->edge;
- output->index_array[3*f+0] = vertexOffset + edge->vertex->id;
- output->index_array[3*f+1] = vertexOffset + edge->next->vertex->id;
- output->index_array[3*f+2] = vertexOffset + edge->next->next->vertex->id;
+ //output->index_array[3*f+0] = vertexOffset + edge->vertex->id;
+ //output->index_array[3*f+1] = vertexOffset + edge->next->vertex->id;
+ //output->index_array[3*f+2] = vertexOffset + edge->next->next->vertex->id;
+ output->index_array[3 * face_ofs + 0] = vertexOffset + edge->vertex->id;
+ output->index_array[3 * face_ofs + 1] = vertexOffset + edge->next->vertex->id;
+ output->index_array[3 * face_ofs + 2] = vertexOffset + edge->next->next->vertex->id;
+ face_ofs++;
}
+ output->index_count = face_ofs * 3;
+ // -- GODOT end --
+
*error = Atlas_Error_Success;
output->atlas_width = w;
output->atlas_height = h;

6
thirdparty/thekla_atlas/nvmesh/param/AtlasPacker.cpp vendored
View File

@ -467,7 +467,11 @@ void AtlasPacker::packCharts(int quality, float texelsPerUnit, bool blockAligned
nvDebug("origin: %f %f\n", origin.x, origin.y);
nvDebug("majorAxis: %f %f\n", majorAxis.x, majorAxis.y);
nvDebug("minorAxis: %f %f\n", minorAxis.x, minorAxis.y);
nvDebugBreak();
// -- GODOT start --
//nvDebugBreak();
m_atlas->setFailed();
return;
// -- GODOT end --
}
//nvCheck(tmp.x >= 0 && tmp.y >= 0);