diff options
| author | Bojidar Marinov <bojidar.marinov.bg@gmail.com> | 2019-12-11 00:05:15 +0200 |
|---|---|---|
| committer | Bojidar Marinov <bojidar.marinov.bg@gmail.com> | 2019-12-11 23:28:35 +0200 |
| commit | eec77027115c94603de1671533dd6b56cdef250e (patch) | |
| tree | f0b2cf8f09149a400dfc0283086a379130bfb1f4 | |
| parent | 435cced7d8fbc80e6842d7c171a87d4db1e64fe4 (diff) | |
Flip cull mode when rendering flipped Light2D and LightOccluder2D
Fixes #32993
| -rw-r--r-- | drivers/gles2/rasterizer_canvas_gles2.cpp | 15 | ||||
| -rw-r--r-- | drivers/gles3/rasterizer_canvas_gles3.cpp | 15 |
2 files changed, 26 insertions, 4 deletions
diff --git a/drivers/gles2/rasterizer_canvas_gles2.cpp b/drivers/gles2/rasterizer_canvas_gles2.cpp index 1db1625194..3b2851fbcd 100644 --- a/drivers/gles2/rasterizer_canvas_gles2.cpp +++ b/drivers/gles2/rasterizer_canvas_gles2.cpp @@ -1898,9 +1898,20 @@ void RasterizerCanvasGLES2::canvas_light_shadow_buffer_update(RID p_buffer, cons } state.canvas_shadow_shader.set_uniform(CanvasShadowShaderGLES2::WORLD_MATRIX, instance->xform_cache); - if (cull != instance->cull_cache) { - cull = instance->cull_cache; + VS::CanvasOccluderPolygonCullMode transformed_cull_cache = instance->cull_cache; + + if (transformed_cull_cache != VS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED && + (p_light_xform.basis_determinant() * instance->xform_cache.basis_determinant()) < 0) { + transformed_cull_cache = + transformed_cull_cache == VS::CANVAS_OCCLUDER_POLYGON_CULL_CLOCKWISE ? + VS::CANVAS_OCCLUDER_POLYGON_CULL_COUNTER_CLOCKWISE : + VS::CANVAS_OCCLUDER_POLYGON_CULL_CLOCKWISE; + } + + if (cull != transformed_cull_cache) { + + cull = transformed_cull_cache; switch (cull) { case VS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED: { diff --git a/drivers/gles3/rasterizer_canvas_gles3.cpp b/drivers/gles3/rasterizer_canvas_gles3.cpp index c798dff839..1803a3dbbe 100644 --- a/drivers/gles3/rasterizer_canvas_gles3.cpp +++ b/drivers/gles3/rasterizer_canvas_gles3.cpp @@ -1887,9 +1887,20 @@ void RasterizerCanvasGLES3::canvas_light_shadow_buffer_update(RID p_buffer, cons } state.canvas_shadow_shader.set_uniform(CanvasShadowShaderGLES3::WORLD_MATRIX, instance->xform_cache); - if (cull != instance->cull_cache) { - cull = instance->cull_cache; + VS::CanvasOccluderPolygonCullMode transformed_cull_cache = instance->cull_cache; + + if (transformed_cull_cache != VS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED && + (p_light_xform.basis_determinant() * instance->xform_cache.basis_determinant()) < 0) { + transformed_cull_cache = + transformed_cull_cache == VS::CANVAS_OCCLUDER_POLYGON_CULL_CLOCKWISE ? + VS::CANVAS_OCCLUDER_POLYGON_CULL_COUNTER_CLOCKWISE : + VS::CANVAS_OCCLUDER_POLYGON_CULL_CLOCKWISE; + } + + if (cull != transformed_cull_cache) { + + cull = transformed_cull_cache; switch (cull) { case VS::CANVAS_OCCLUDER_POLYGON_CULL_DISABLED: { |