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Flip cull mode when rendering flipped Light2D and LightOccluder2D

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Fixes #32993
This commit is contained in:
Bojidar Marinov 2019-12-11 00:05:15 +02:00
parent 435cced7d8
commit eec7702711
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GPG key ID: 4D546A8F1E091856
2 changed files with 26 additions and 4 deletions
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15
drivers/gles2/rasterizer_canvas_gles2.cpp
View file

@ -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: {

15
drivers/gles3/rasterizer_canvas_gles3.cpp
View file

@ -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: {