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[Fix] (MG_Backend/DirectGLES): fix raw depth fetch sampler on GLES

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swung0x48
2026-06-27 13:01:52 +08:00
parent 5d6cb7dfed
commit ac33292e1b
1 changed files with 45 additions and 2 deletions
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MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp
+45 -2
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@@ -41,6 +41,8 @@ namespace MobileGL::MG_Backend::DirectGLES {
MG_External::GLESCapabilities g_GLESCapabilities;
static Bool QueryCurrentSurfaceSize(Int& outWidth, Int& outHeight);
static SharedPtr<MG_State::GLState::SamplerObject> g_rawDepthFetchSamplerState;
static SharedPtr<SamplerImpl::BackendSamplerObject> g_rawDepthFetchSamplerBackend;
enum class DrawSyncBit : Uint32 {
None = 0,
@@ -73,6 +75,36 @@ namespace MobileGL::MG_Backend::DirectGLES {
Uint32 baseInstance = 0;
};
SamplerImpl::BackendSamplerObject* GetRawDepthFetchSampler() {
if (!g_rawDepthFetchSamplerState) {
g_rawDepthFetchSamplerState = MakeShared<MG_State::GLState::SamplerObject>(0);
g_rawDepthFetchSamplerState->SetMinFilter(SamplerFilterMode::Nearest);
g_rawDepthFetchSamplerState->SetMagFilter(SamplerFilterMode::Nearest);
g_rawDepthFetchSamplerState->SetMipmapMode(SamplerMipmapMode::None);
g_rawDepthFetchSamplerState->SetCompareMode(SamplerCompareMode::None);
g_rawDepthFetchSamplerState->SetSamplerCompareFunc(SamplerCompareFunc::Always);
g_rawDepthFetchSamplerBackend = MakeShared<SamplerImpl::BackendSamplerObject>();
}
g_rawDepthFetchSamplerBackend->SyncToBackend(g_rawDepthFetchSamplerState);
return g_rawDepthFetchSamplerBackend.get();
}
Bool NeedsRawDepthFetchSampler(const SharedPtr<MG_State::GLState::SamplerObject>& samplerObject,
TextureInternalFormat textureFormat) {
if (!MG_Util::IsDepthFormatInternalFormat(textureFormat) || !samplerObject) {
return false;
}
const auto& samplerParams = samplerObject->GetAllSamplerParameters();
if (samplerParams.compareMode != SamplerCompareMode::None) {
return false;
}
return samplerParams.minFilter != SamplerFilterMode::Nearest ||
samplerParams.mipmapMode != SamplerMipmapMode::None ||
samplerParams.magFilter != SamplerFilterMode::Nearest;
}
const Uint8* ResolveIndirectCommandBytes(const void* indirect, SizeT requiredBytes, const char* label) {
auto drawBuffer = MG_State::pGLContext->GetBufferBindingSlot(BufferTarget::DrawIndirect).GetBoundObject();
if (drawBuffer) {
@@ -934,9 +966,20 @@ namespace MobileGL::MG_Backend::DirectGLES {
backendProgramIt->second->GetBackendProgramId(), name.c_str());
g_GLESFuncs.glUniform1i(locAtBackend, unit);
auto& samplerObject = MG_State::pGLContext->GetTextureUnitObject(unit).GetSamplerObject();
auto& textureUnit = MG_State::pGLContext->GetTextureUnitObject(unit);
auto& samplerObject = textureUnit.GetSamplerObject();
const auto uniformType = currentProgram->GetUniformType(loc);
const auto& texture2D = textureUnit.GetBindingSlot(TextureTarget::Texture2D).GetBoundObject();
const SharedPtr<MG_State::GLState::SamplerObject>* rawDepthSamplerObject = &samplerObject;
if (!*rawDepthSamplerObject && texture2D) {
rawDepthSamplerObject = &texture2D->GetSamplerObject();
}
if (samplerObject) {
if (uniformType == GL_SAMPLER_2D && texture2D &&
NeedsRawDepthFetchSampler(*rawDepthSamplerObject, texture2D->GetFormat())) {
GetRawDepthFetchSampler()->Bind(unit);
MGLOG_D("Using raw depth fetch sampler for uniform %s on unit %d.", name.c_str(), unit);
} else if (samplerObject) {
const auto& backendSamplerIt =
SamplerImpl::g_backendSamplerObjects.find(samplerObject.get());
Bool exist = (backendSamplerIt != SamplerImpl::g_backendSamplerObjects.end());