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Ignore depth draw optimization when using depth draw alpha prepass

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This is necessary as the scene shader still uses alpha in this case so we can't discard fragments that weren't written to the depth buffer
This commit is contained in:
clayjohn
2023-01-03 09:26:15 -08:00
parent 26bed8aa85
commit 062fb8b0dc
10 changed files with 22 additions and 21 deletions
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6
drivers/gles3/storage/material_storage.cpp
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@@ -3237,7 +3237,7 @@ void SceneShaderData::set_code(const String &p_code) {
uses_alpha = false;
uses_alpha_clip = false;
uses_blend_alpha = false;
uses_depth_pre_pass = false;
uses_depth_prepass_alpha = false;
uses_discard = false;
uses_roughness = false;
uses_normal = false;
@@ -3288,7 +3288,7 @@ void SceneShaderData::set_code(const String &p_code) {
// Use alpha clip pipeline for alpha hash/dither.
// This prevents sorting issues inherent to alpha blending and allows such materials to cast shadows.
actions.usage_flag_pointers["ALPHA_HASH_SCALE"] = &uses_alpha_clip;
actions.render_mode_flags["depth_prepass_alpha"] = &uses_depth_pre_pass;
actions.render_mode_flags["depth_prepass_alpha"] = &uses_depth_prepass_alpha;
actions.usage_flag_pointers["SSS_STRENGTH"] = &uses_sss;
actions.usage_flag_pointers["SSS_TRANSMITTANCE_DEPTH"] = &uses_transmittance;
@@ -3398,7 +3398,7 @@ bool SceneShaderData::casts_shadows() const {
bool has_base_alpha = (uses_alpha && !uses_alpha_clip) || has_read_screen_alpha;
bool has_alpha = has_base_alpha || uses_blend_alpha;
return !has_alpha || (uses_depth_pre_pass && !(depth_draw == DEPTH_DRAW_DISABLED || depth_test == DEPTH_TEST_DISABLED));
return !has_alpha || (uses_depth_prepass_alpha && !(depth_draw == DEPTH_DRAW_DISABLED || depth_test == DEPTH_TEST_DISABLED));
}
RS::ShaderNativeSourceCode SceneShaderData::get_native_source_code() const {