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Merge pull request #34251 from bojidar-bg/32993-lightoccluder-flip

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Flip cull mode when rendering flipped Light2D and LightOccluder2D
This commit is contained in:
Rémi Verschelde 2019-12-12 07:33:19 +01:00 committed by GitHub
parent f676d7509e eec7702711
commit 371de5132c
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GPG key ID: 4AEE18F83AFDEB23
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: {