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fix(gltf): force depth mask for transparent items used with refractive materials (#9396)

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This commit is contained in:
Matt
2025-12-20 02:03:14 -05:00
committed by GitHub
parent 4b657b16d1
commit 960f34df86
3 changed files with 8 additions and 5 deletions
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src/libs/gltf/gltf_view/lv_gltf_view.cpp
+2 -2
View File
@@ -688,8 +688,8 @@ static void lv_gltf_destructor(const lv_obj_class_t * class_p, lv_obj_t * obj)
static void lv_gltf_view_state_init(lv_gltf_t * view)
{
lv_memset(&view->state, 0, sizeof(view->state));
view->state.opaque_frame_buffer_width = 256;
view->state.opaque_frame_buffer_height = 256;
view->state.opaque_frame_buffer_width = LV_GLTF_TRANSMISSION_PASS_SIZE;
view->state.opaque_frame_buffer_height = LV_GLTF_TRANSMISSION_PASS_SIZE;
view->state.material_variant = 0;
view->state.render_state_ready = false;
view->state.render_opaque_buffer = false;
src/libs/gltf/gltf_view/lv_gltf_view_internal.h
+1
View File
@@ -40,6 +40,7 @@
#define LV_GLTF_GAMMA_DARKEST "0.8"
#define LV_GLTF_DISTANCE_SCALE_FACTOR 2.5f
#define LV_GLTF_TRANSMISSION_PASS_SIZE 256
/* Apply defaults below if not set explicitly */
src/libs/gltf/gltf_view/lv_gltf_view_render.cpp
+5 -3
View File
@@ -572,7 +572,9 @@ static bool draw_material(lv_gltf_t * viewer, const lv_gltf_uniform_locations_t
GL_CALL(glDisable(GL_CULL_FACE));
if(gltfMaterial.alphaMode == fastgltf::AlphaMode::Blend) {
GL_CALL(glEnable(GL_BLEND));
GL_CALL(glDepthMask(GL_FALSE));
if(!is_transmission_pass) {
GL_CALL(glDepthMask(GL_FALSE));
}
GL_CALL(glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA));
GL_CALL(glBlendEquation(GL_FUNC_ADD));
GL_CALL(glEnable(GL_CULL_FACE));
@@ -1037,8 +1039,8 @@ static void setup_view_proj_matrix_from_camera(lv_gltf_t * viewer, uint32_t came
float aspect = (float)width / (float)height;
if(transmission_pass) {
width = 256;
height = 256;
width = LV_GLTF_TRANSMISSION_PASS_SIZE;
height = LV_GLTF_TRANSMISSION_PASS_SIZE;
}
std::visit(fastgltf::visitor{