swung0x48/MobileGL
1
0
Fork 0
mirror of https://github.com/MobileGL-Dev/MobileGL synced 2026-09-10 13:18:31 +09:00
Code Issues Packages Projects Releases Wiki Activity

[Fix] (MG_Impl/Texture): support anisotropic sampler parameters

Browse Source
This commit is contained in:
swung0x48
2026-07-16 21:39:38 -04:00
parent 346cd417ca
commit 5d6b544021
11 changed files with 284 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
MobileGL/MG_Impl/GLImpl/Sampler/GL_Sampler.cpp
+34 -7
View File
@@ -14,7 +14,13 @@
namespace MobileGL::MG_Impl::GLImpl {
namespace {
Bool ValidateSamplerParameterValue(GLenum pname, const void* param, Bool isFloat, Bool isInteger) {
Float ReadSamplerScalar(const void* param, Bool isFloat, Bool isUnsignedInteger) {
if (isFloat) return *(const GLfloat*)param;
if (isUnsignedInteger) return static_cast<Float>(*(const GLuint*)param);
return static_cast<Float>(*(const GLint*)param);
}
Bool ValidateSamplerParameterValue(GLenum pname, const void* param, Bool isFloat, Bool isUnsignedInteger) {
if (param == nullptr) return false;
switch (pname) {
@@ -22,6 +28,13 @@ namespace MobileGL::MG_Impl::GLImpl {
case GL_TEXTURE_MAX_LOD:
case GL_TEXTURE_LOD_BIAS:
return true;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (ReadSamplerScalar(param, isFloat, isUnsignedInteger) >= 1.0f) return true;
MG_State::pGLContext->RecordError(
ErrorCode::InvalidValue,
MakeUnique<GenericErrorInfo>("MG_Impl/GLImpl", "SetSamplerParam_State",
"GL_TEXTURE_MAX_ANISOTROPY_EXT must be at least 1.0."));
return false;
default:
break;
}
@@ -29,14 +42,15 @@ namespace MobileGL::MG_Impl::GLImpl {
if (isFloat) {
return SamplerImpl::ValidateSamplerFloatParam(pname, *(const GLfloat*)param);
}
if (isInteger) {
if (isUnsignedInteger) {
return SamplerImpl::ValidateSamplerIntParam(pname, static_cast<GLint>(*(const GLuint*)param));
}
return SamplerImpl::ValidateSamplerIntParam(pname, *(const GLint*)param);
}
} // namespace
void SetSamplerParam_State(GLuint sampler, GLenum pname, const void* param, bool isFloat, bool isInteger) {
void SetSamplerParam_State(GLuint sampler, GLenum pname, const void* param, bool isFloat,
bool isUnsignedInteger) {
if (param == nullptr) return;
if (!SamplerImpl::ValidateSamplerName(sampler)) return;
@@ -47,7 +61,7 @@ namespace MobileGL::MG_Impl::GLImpl {
}
auto& samplerObj = MG_State::pGLContext->GetSamplerObject(sampler);
if (!SamplerImpl::ValidateSamplerObject(sampler)) return;
if (!ValidateSamplerParameterValue(pname, param, isFloat, isInteger)) return;
if (!ValidateSamplerParameterValue(pname, param, isFloat, isUnsignedInteger)) return;
using namespace MG_Util;
switch (pname) {
@@ -76,6 +90,9 @@ namespace MobileGL::MG_Impl::GLImpl {
case GL_TEXTURE_LOD_BIAS:
samplerObj->SetLodBias(*(const GLfloat*)param);
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
samplerObj->SetMaxAnisotropy(ReadSamplerScalar(param, isFloat, isUnsignedInteger));
break;
case GL_TEXTURE_COMPARE_MODE:
samplerObj->SetCompareMode(MG_Util::ConvertGLEnumToSamplerCompareMode(*(const GLint*)param));
break;
@@ -89,7 +106,8 @@ namespace MobileGL::MG_Impl::GLImpl {
}
}
void GetSamplerParam_State(GLuint sampler, GLenum pname, void* params, bool isFloat, bool isInteger) {
void GetSamplerParam_State(GLuint sampler, GLenum pname, void* params, bool isFloat,
bool isUnsignedInteger) {
if (params == nullptr) return;
if (!SamplerImpl::ValidateSamplerName(sampler)) return;
@@ -129,6 +147,15 @@ namespace MobileGL::MG_Impl::GLImpl {
case GL_TEXTURE_LOD_BIAS:
*(GLfloat*)params = samplerObj->GetLodBias();
break;
case GL_TEXTURE_MAX_ANISOTROPY_EXT:
if (isFloat) {
*(GLfloat*)params = samplerObj->GetMaxAnisotropy();
} else if (isUnsignedInteger) {
*(GLuint*)params = static_cast<GLuint>(samplerObj->GetMaxAnisotropy());
} else {
*(GLint*)params = static_cast<GLint>(samplerObj->GetMaxAnisotropy());
}
break;
case GL_TEXTURE_COMPARE_MODE:
*(GLuint*)params = MG_Util::ConvertSamplerCompareModeToGLEnum(samplerObj->GetCompareMode());
break;
@@ -240,7 +267,7 @@ namespace MobileGL::MG_Impl::GLImpl {
}
void SamplerParameterIiv(GLuint sampler, GLenum pname, const GLint* param) {
SetSamplerParam_State(sampler, pname, param, false, true);
SetSamplerParam_State(sampler, pname, param, false, false);
}
void SamplerParameteriv(GLuint sampler, GLenum pname, const GLint* param) {
@@ -268,7 +295,7 @@ namespace MobileGL::MG_Impl::GLImpl {
}
void GetSamplerParameterIiv(GLuint sampler, GLenum pname, GLint* params) {
GetSamplerParam_State(sampler, pname, params, false, true);
GetSamplerParam_State(sampler, pname, params, false, false);
}
void GetSamplerParameterfv(GLuint sampler, GLenum pname, GLfloat* params) {