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[Fix] (MG_State/Texture): Handle missing texture states

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This commit is contained in:
swung0x48
2025-06-22 13:08:50 +08:00
parent e73db426eb
commit 9075177533
1 changed files with 68 additions and 9 deletions
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MG/MG_GL/Implementations/GL/Texture/GL_Texture.cpp
+68 -9
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@@ -69,7 +69,52 @@ namespace MG_GL::GL {
return components * typeSize;
}
// return value: mipmap type or not
bool FillFilterTypeFromGLEnum(GLenum param, Diligent::FILTER_TYPE& filter, Diligent::FILTER_TYPE& mipFilter) {
switch (param) {
case GL_NEAREST:
filter = Diligent::FILTER_TYPE_POINT;
break;
case GL_LINEAR:
filter = Diligent::FILTER_TYPE_LINEAR;
break;
case GL_NEAREST_MIPMAP_NEAREST:
filter = Diligent::FILTER_TYPE_POINT;
mipFilter = Diligent::FILTER_TYPE_POINT;
return true;
case GL_LINEAR_MIPMAP_NEAREST:
filter = Diligent::FILTER_TYPE_LINEAR;
mipFilter = Diligent::FILTER_TYPE_POINT;
return true;
case GL_NEAREST_MIPMAP_LINEAR:
filter = Diligent::FILTER_TYPE_POINT;
mipFilter = Diligent::FILTER_TYPE_LINEAR;
return true;
case GL_LINEAR_MIPMAP_LINEAR:
filter = Diligent::FILTER_TYPE_LINEAR;
mipFilter = Diligent::FILTER_TYPE_LINEAR;
return true;
default:
break;
}
return false;
}
Diligent::COMPARISON_FUNCTION ConvertComparsionFunc(GLint param) {
switch (param) {
case GL_LEQUAL: return Diligent::COMPARISON_FUNC_LESS_EQUAL;
case GL_GEQUAL: return Diligent::COMPARISON_FUNC_GREATER_EQUAL;
case GL_LESS: return Diligent::COMPARISON_FUNC_LESS;
case GL_GREATER: return Diligent::COMPARISON_FUNC_GREATER;
case GL_EQUAL: return Diligent::COMPARISON_FUNC_EQUAL;
case GL_NOTEQUAL: return Diligent::COMPARISON_FUNC_NOT_EQUAL;
case GL_ALWAYS: return Diligent::COMPARISON_FUNC_ALWAYS;
case GL_NEVER: return Diligent::COMPARISON_FUNC_NEVER;
default: return Diligent::COMPARISON_FUNC_NEVER;
}
}
Diligent::TEXTURE_ADDRESS_MODE ConvertAddressMode(GLint param) {
switch (param) {
case GL_REPEAT: return Diligent::TEXTURE_ADDRESS_WRAP;
@@ -334,10 +379,14 @@ namespace MG_GL::GL {
void TexParameterf(GLenum target, GLenum pname, GLfloat param) {
MG_Util::Debug::LogD("glTexParameterf, target: %d, pname: %d, param: %f", target, pname, param);
GLenum result = MG_State::SetTexturePropertyFloat(target, pname, param);
if (result == GL_NO_ERROR)
if (result == GL_NO_ERROR) {
MG_State::SetError(result);
MG_Util::Debug::LogE("Error from MG State: %s", MG_Util::Debug::GLEnumToString(result));
return;
MG_State::SetError(result);
MG_Util::Debug::LogE("Error from MG State: %s", MG_Util::Debug::GLEnumToString(result));
}
// TODO: Fix sampler
}
void TexParameteri(GLenum target, GLenum pname, GLint param) {
@@ -348,7 +397,8 @@ namespace MG_GL::GL {
MG_Util::Debug::LogE("Error from MG State: %s", MG_Util::Debug::GLEnumToString(result));
return;
}
// TODO: Fix sampler
auto& texState = *MG_State_T::textureState;
auto activeUnit = texState.activeTextureUnit_;
auto unitState = &texState.textureUnits_[activeUnit];
@@ -373,12 +423,10 @@ namespace MG_GL::GL {
switch (pname) {
case GL_TEXTURE_MIN_FILTER:
SamDesc.MinFilter = (param == GL_NEAREST) ?
Diligent::FILTER_TYPE_POINT : Diligent::FILTER_TYPE_LINEAR;
FillFilterTypeFromGLEnum(param, SamDesc.MinFilter, SamDesc.MipFilter);
break;
case GL_TEXTURE_MAG_FILTER:
SamDesc.MagFilter = (param == GL_NEAREST) ?
Diligent::FILTER_TYPE_POINT : Diligent::FILTER_TYPE_LINEAR;
FillFilterTypeFromGLEnum(param, SamDesc.MagFilter, SamDesc.MipFilter);
break;
case GL_TEXTURE_WRAP_S:
SamDesc.AddressU = ConvertAddressMode(param);
@@ -389,6 +437,17 @@ namespace MG_GL::GL {
case GL_TEXTURE_WRAP_R:
SamDesc.AddressW = ConvertAddressMode(param);
break;
case GL_TEXTURE_MIN_LOD:
SamDesc.MinLOD = (float)param;
break;
case GL_TEXTURE_MAX_LOD:
SamDesc.MaxLOD = (float)param;
break;
case GL_TEXTURE_COMPARE_FUNC:
SamDesc.ComparisonFunc = ConvertComparsionFunc(param);
break;
default:
MG_Util::Debug::LogE("%s: not handled param: %s", __func__, MG_Util::Debug::GLEnumToString(param));
}
Diligent::ISampler* pNewSampler = nullptr;