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Fix shadow mapping with RGBA textures on html 

(cherry picked from commit 6ec7686a0c)
This commit is contained in:
clayjohn 2019-10-26 10:17:22 -07:00 committed by Rémi Verschelde
parent 1f772917d2
commit b7c3fd0711
2 changed files with 6 additions and 2 deletions
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6
drivers/gles2/rasterizer_scene_gles2.cpp
View File

@ -120,7 +120,7 @@ void RasterizerSceneGLES2::shadow_atlas_set_size(RID p_atlas, int p_size) {
//maximum compatibility, renderbuffer and RGBA shadow
glGenRenderbuffers(1, &shadow_atlas->depth);
glBindRenderbuffer(GL_RENDERBUFFER, directional_shadow.depth);
glBindRenderbuffer(GL_RENDERBUFFER, shadow_atlas->depth);
glRenderbufferStorage(GL_RENDERBUFFER, storage->config.depth_internalformat, shadow_atlas->size, shadow_atlas->size);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, shadow_atlas->depth);
@ -3093,6 +3093,10 @@ void RasterizerSceneGLES2::render_shadow(RID p_light, RID p_shadow_atlas, int p_
glEnable(GL_SCISSOR_TEST);
glClearDepth(1.0f);
glClear(GL_DEPTH_BUFFER_BIT);
if (storage->config.use_rgba_3d_shadows) {
glClearColor(1.0, 1.0, 1.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
}
glDisable(GL_SCISSOR_TEST);
if (light->reverse_cull) {

2
drivers/gles2/rasterizer_storage_gles2.cpp
View File

@ -5333,7 +5333,7 @@ void RasterizerStorageGLES2::initialize() {
config.support_depth_cubemaps = true;
#else
config.use_rgba_2d_shadows = !(config.float_texture_supported && config.extensions.has("GL_EXT_texture_rg"));
config.support_depth_texture = config.extensions.has("GL_OES_depth_texture");
config.support_depth_texture = config.extensions.has("GL_OES_depth_texture") || config.extensions.has("WEBGL_depth_texture");
config.use_rgba_3d_shadows = !config.support_depth_texture;
config.support_depth_cubemaps = config.extensions.has("GL_OES_depth_texture_cube_map");
#endif