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Add support for low-end 3D rendering.

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-Reduce number of uniform sets from 6 to 4.
-Remove features in low end mode, in order to reduce the number of texture units fit to 16.
This commit is contained in:
reduz
2020-12-07 18:27:38 -03:00
parent efc2104096
commit 2748b9a10d
11 changed files with 503 additions and 412 deletions
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24
servers/rendering/renderer_rd/shader_rd.cpp
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@@ -199,6 +199,10 @@ void ShaderRD::_clear_version(Version *p_version) {
}
void ShaderRD::_compile_variant(uint32_t p_variant, Version *p_version) {
if (!variants_enabled[p_variant]) {
return; //variant is disabled, return
}
Vector<RD::ShaderStageData> stages;
String error;
@@ -365,6 +369,9 @@ void ShaderRD::_compile_version(Version *p_version) {
bool all_valid = true;
for (int i = 0; i < variant_defines.size(); i++) {
if (!variants_enabled[i]) {
continue; //disabled
}
if (p_version->variants[i].is_null()) {
all_valid = false;
break;
@@ -374,6 +381,9 @@ void ShaderRD::_compile_version(Version *p_version) {
if (!all_valid) {
//clear versions if they exist
for (int i = 0; i < variant_defines.size(); i++) {
if (!variants_enabled[i]) {
continue; //disabled
}
if (!p_version->variants[i].is_null()) {
RD::get_singleton()->free(p_version->variants[i]);
}
@@ -454,12 +464,26 @@ bool ShaderRD::version_free(RID p_version) {
return true;
}
void ShaderRD::set_variant_enabled(int p_variant, bool p_enabled) {
ERR_FAIL_COND(version_owner.get_rid_count() > 0); //versions exist
ERR_FAIL_INDEX(p_variant, variants_enabled.size());
variants_enabled.write[p_variant] = p_enabled;
}
bool ShaderRD::is_variant_enabled(int p_variant) const {
ERR_FAIL_INDEX_V(p_variant, variants_enabled.size(), false);
return variants_enabled[p_variant];
}
void ShaderRD::initialize(const Vector<String> &p_variant_defines, const String &p_general_defines) {
ERR_FAIL_COND(variant_defines.size());
ERR_FAIL_COND(p_variant_defines.size() == 0);
general_defines = p_general_defines.utf8();
for (int i = 0; i < p_variant_defines.size(); i++) {
variant_defines.push_back(p_variant_defines[i].utf8());
variants_enabled.push_back(true);
}
}