diff options
author | Antony Riakiotakis <kalast@gmail.com> | 2014-05-01 00:42:58 +0400 |
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committer | Antony Riakiotakis <kalast@gmail.com> | 2014-05-01 00:43:19 +0400 |
commit | d2a326076342845fc5e0bcfc4ea10b09ce86242e (patch) | |
tree | 70aee396d03fe39c8fc60fc79cdf5246981d5ade /source/blender/gpu | |
parent | d50f8832e39f79a9a2477ddb2e26dd2c801dbc8f (diff) |
Add PBVH debug display, where we can see the PBVH node bounding boxes.
To enable enter debug value 14.
Leaf nodes are green while container nodes are red.
Diffstat (limited to 'source/blender/gpu')
-rw-r--r-- | source/blender/gpu/GPU_buffers.h | 4 | ||||
-rw-r--r-- | source/blender/gpu/intern/gpu_buffers.c | 62 |
2 files changed, 66 insertions, 0 deletions
diff --git a/source/blender/gpu/GPU_buffers.h b/source/blender/gpu/GPU_buffers.h index 7ca1c878448..6c7945d69a2 100644 --- a/source/blender/gpu/GPU_buffers.h +++ b/source/blender/gpu/GPU_buffers.h @@ -194,6 +194,10 @@ void GPU_update_grid_pbvh_buffers(GPU_PBVH_Buffers *buffers, struct CCGElem **gr void GPU_draw_pbvh_buffers(GPU_PBVH_Buffers *buffers, DMSetMaterial setMaterial, bool wireframe); +void GPU_draw_pbvh_BB(float min[3], float max[3], bool leaf); +void GPU_end_draw_pbvh_BB(void); +void GPU_init_draw_pbvh_BB(void); + bool GPU_pbvh_buffers_diffuse_changed(GPU_PBVH_Buffers *buffers, struct GSet *bm_faces, bool show_diffuse_color); void GPU_free_pbvh_buffers(GPU_PBVH_Buffers *buffers); diff --git a/source/blender/gpu/intern/gpu_buffers.c b/source/blender/gpu/intern/gpu_buffers.c index df6aa4d868d..9bf63d2fe29 100644 --- a/source/blender/gpu/intern/gpu_buffers.c +++ b/source/blender/gpu/intern/gpu_buffers.c @@ -2657,3 +2657,65 @@ void GPU_free_pbvh_buffers(GPU_PBVH_Buffers *buffers) MEM_freeN(buffers); } } + + +/* debug function, draws the pbvh BB */ +void GPU_draw_pbvh_BB(float min[3], float max[3], bool leaf) +{ + float quads[4][4][3] = { + { + {min[0], min[1], min[2]}, + {max[0], min[1], min[2]}, + {max[0], min[1], max[2]}, + {min[0], min[1], max[2]} + }, + + { + {min[0], min[1], min[2]}, + {min[0], max[1], min[2]}, + {min[0], max[1], max[2]}, + {min[0], min[1], max[2]} + }, + + { + {max[0], max[1], min[2]}, + {max[0], min[1], min[2]}, + {max[0], min[1], max[2]}, + {max[0], max[1], max[2]} + }, + + { + {max[0], max[1], min[2]}, + {min[0], max[1], min[2]}, + {min[0], max[1], max[2]}, + {max[0], max[1], max[2]} + }, + }; + + if (leaf) + glColor4f(0.0, 1.0, 0.0, 0.5); + else + glColor4f(1.0, 0.0, 0.0, 0.5); + + glVertexPointer(3, GL_FLOAT, 0, &quads[0][0][0]); + glDrawArrays(GL_QUADS, 0, 16); +} + +void GPU_init_draw_pbvh_BB(void) +{ + glPushAttrib(GL_ENABLE_BIT); + glDisable(GL_CULL_FACE); + glEnableClientState(GL_VERTEX_ARRAY); + glDisableClientState(GL_COLOR_ARRAY); + glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); + glDisable(GL_LIGHTING); + glDisable(GL_COLOR_MATERIAL); + glEnable(GL_BLEND); + glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0); +} + +void GPU_end_draw_pbvh_BB(void) +{ + glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); + glPopAttrib(); +} |