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Revert "ifcviewer: GPU cull fwd/rev reflection bucketing (step 3b)"

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This reverts commit 7defbe982464536e34e80aa85d2cd7eaafbb62ee.
This commit is contained in:
Dion Moult
2026-04-17 18:34:01 +10:00
parent 643a2e1c1f
commit 175efcfffe
2 changed files with 41 additions and 95 deletions
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src/ifcviewer/ViewportWindow.h
+7 -14
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@@ -108,20 +108,13 @@ struct ModelGpuData {
// the instanceCount field of gpu_indirect_buffer is rewritten by the
// cull shader (zeroed by the reset shader, atomically incremented as
// survivors are appended into gpu_visible_ssbo at mesh_base[i] + local).
// Layout per model:
// commands[0..M) fwd bucket (non-reflected, CCW winding)
// commands[M..2M) rev bucket (reflected, CW winding)
// gpu_mesh_command_count = 2M; gpu_forward_command_count = M.
// Each bucket gets its own mesh_base[] slot and its own visible[]
// range, sized to the exact per-mesh count of fwd / rev instances.
GLuint gpu_indirect_buffer = 0;
size_t gpu_indirect_capacity = 0;
GLuint gpu_visible_ssbo = 0;
size_t gpu_visible_capacity = 0;
GLuint gpu_mesh_base_ssbo = 0;
size_t gpu_mesh_base_capacity = 0;
uint32_t gpu_mesh_command_count = 0;
uint32_t gpu_forward_command_count = 0;
GLuint gpu_indirect_buffer = 0;
size_t gpu_indirect_capacity = 0;
GLuint gpu_visible_ssbo = 0;
size_t gpu_visible_capacity = 0;
GLuint gpu_mesh_base_ssbo = 0;
size_t gpu_mesh_base_capacity = 0;
uint32_t gpu_mesh_command_count = 0;
// Dynamic visible-instance index buffer (std430, binding = 1).
// Re-uploaded each frame from visible_flat_.