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[Feat] (MG_State/Program): GetActiveUniform

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This commit is contained in:
swung0x48
2025-08-14 13:50:34 +08:00
parent eb926848be
commit 238d0ffade
6 changed files with 68 additions and 8 deletions
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MobileGL/MG_Impl/GLImpl/Program/GL_Program.cpp
+28 -4
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@@ -1,6 +1,7 @@
#include "GL_Program.h"
#include "MG_State/GLState/Core.h"
#include "MG_Util/Converters/SPIRVCrossToGL/SpvcTypeConverter.h"
namespace MobileGL {
namespace MG_Impl::GLImpl {
@@ -60,6 +61,9 @@ namespace MobileGL {
auto sz = std::min(bufSize - 1, srcLength);
if (length)
*length = sz;
if (bufSize == 0) return;
memcpy(dst, src, sz);
dst[sz] = '\0';
}
@@ -144,7 +148,30 @@ namespace MobileGL {
void GetActiveUniform_State(GLuint program, GLuint index, GLsizei bufSize, GLsizei* length, GLint* size,
GLenum* type, GLchar* name) {
THROW_UNIMPL_EXCEPTION;
if (bufSize < 0) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidValue,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
"`bufSize` is less than 0."));
return;
}
auto programObject = TryToGetProgramObject(program);
if (!programObject)
return;
auto uniformCount = programObject->GetUniformCount();
if (index >= uniformCount) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidValue,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
"`index` is greater than or equal to the number of active uniform variables in `program`."));
return;
}
if (type != nullptr)
*type = programObject->GetUniformType(index);
if (bufSize == 0) return;
auto& uniformName = programObject->GetUniformName(index);
CopyStr(bufSize, length, name, uniformName.c_str(), uniformName.length());
}
void GetAttachedShaders_State(GLuint program, GLsizei maxCount, GLsizei* count, GLuint* shaders) {
@@ -213,8 +240,6 @@ namespace MobileGL {
CopyStr(bufSize, length, source, src.c_str(), src.length());
}
GLint GetUniformLocation_State(GLuint program, const GLchar* name) {
auto programObject = TryToGetProgramObject(program);
if (!programObject)
@@ -283,7 +308,6 @@ namespace MobileGL {
if (!programObject)
return;
MG_State::pGLContext->UseProgram(program);
}
void Uniform1f_State(GLint location, GLfloat v0) {