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Add transparency support for LightmapGI

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Co-authored-by: Guerro323 <kaltobattle@gmail.com>
This commit is contained in:
Hendrik Brucker
2024-12-16 12:38:23 +01:00
parent 7f5c469292
commit a3525bc015
26 changed files with 442 additions and 95 deletions
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37
servers/rendering/renderer_rd/shaders/forward_clustered/scene_forward_clustered.glsl
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@@ -1256,21 +1256,37 @@ void fragment_shader(in SceneData scene_data) {
#ifndef USE_SHADOW_TO_OPACITY
#ifdef ALPHA_SCISSOR_USED
#ifdef MODE_RENDER_MATERIAL
if (alpha < alpha_scissor_threshold) {
alpha = 0.0;
} else {
alpha = 1.0;
}
#else
if (alpha < alpha_scissor_threshold) {
discard;
}
#endif // MODE_RENDER_MATERIAL
#endif // ALPHA_SCISSOR_USED
// alpha hash can be used in unison with alpha antialiasing
#ifdef ALPHA_HASH_USED
vec3 object_pos = (inverse(read_model_matrix) * inv_view_matrix * vec4(vertex, 1.0)).xyz;
#ifdef MODE_RENDER_MATERIAL
if (alpha < compute_alpha_hash_threshold(object_pos, alpha_hash_scale)) {
alpha = 0.0;
} else {
alpha = 1.0;
}
#else
if (alpha < compute_alpha_hash_threshold(object_pos, alpha_hash_scale)) {
discard;
}
#endif // MODE_RENDER_MATERIAL
#endif // ALPHA_HASH_USED
// If we are not edge antialiasing, we need to remove the output alpha channel from scissor and hash
#if (defined(ALPHA_SCISSOR_USED) || defined(ALPHA_HASH_USED)) && !defined(ALPHA_ANTIALIASING_EDGE_USED)
#if (defined(ALPHA_SCISSOR_USED) || defined(ALPHA_HASH_USED)) && !defined(ALPHA_ANTIALIASING_EDGE_USED) && !defined(MODE_RENDER_MATERIAL)
alpha = 1.0;
#endif
@@ -1314,10 +1330,21 @@ void fragment_shader(in SceneData scene_data) {
#endif
#ifdef ENABLE_CLIP_ALPHA
#ifdef MODE_RENDER_MATERIAL
if (albedo.a < 0.99) {
// Used for doublepass and shadowmapping.
albedo.a = 0.0;
alpha = 0.0;
} else {
albedo.a = 1.0;
alpha = 1.0;
}
#else
if (albedo.a < 0.99) {
//used for doublepass and shadowmapping
discard;
}
#endif // MODE_RENDER_MATERIAL
#endif
/////////////////////// FOG //////////////////////
@@ -2521,9 +2548,17 @@ void fragment_shader(in SceneData scene_data) {
alpha = min(alpha, clamp(length(ambient_light), 0.0, 1.0));
#if defined(ALPHA_SCISSOR_USED)
#ifdef MODE_RENDER_MATERIAL
if (alpha < alpha_scissor_threshold) {
alpha = 0.0;
} else {
alpha = 1.0;
}
#else
if (alpha < alpha_scissor_threshold) {
discard;
}
#endif // MODE_RENDER_MATERIAL
#endif // ALPHA_SCISSOR_USED
#endif // !MODE_RENDER_DEPTH