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[Feat] (MG_State/Program): glUniform*v

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swung0x48
2025-08-22 14:58:24 +08:00
parent 476de2b8f7
commit bc46cb9c5f
3 changed files with 91 additions and 24 deletions
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MobileGL/MG_Impl/GLImpl/Program/GL_Program.cpp
+45 -10
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@@ -451,6 +451,7 @@ namespace MobileGL {
ErrorCode::InvalidValue,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
"`count` is less than 0."));
return;
}
auto shaderObject = TryToGetShaderObject(shader);
@@ -465,7 +466,7 @@ namespace MobileGL {
shaderObject->SetShaderSource(Move(src));
}
void UseProgram_State(GLuint program) {
void UseProgram_State(GLint program) {
if (program == 0) {
MG_State::pGLContext->UseProgram(0);
return;
@@ -477,37 +478,71 @@ namespace MobileGL {
MG_State::pGLContext->UseProgram(program);
}
void Uniform1fv_State(GLint location, GLsizei count, const GLfloat* value) {
template <GLsizei VecCount, typename T>
void Uniform_State(MG_State::GLState::ProgramObject& programObject, GLuint location, T* value) {
auto size = programObject.GetUniformSizesInBytes(location);
auto offset = programObject.GetUniformOffset(location);
assert(size >= VecCount * sizeof(T));
memcpy((char*)programObject.MapUBO() + offset, value, VecCount * sizeof(T));
}
THROW_UNIMPL_EXCEPTION;
template <GLsizei VecCount, typename T>
void Uniformv_State(GLint location, GLsizei count, T* value) {
if (location == -1)
return;
auto programObject = MG_State::pGLContext->GetCurrentProgram();
if (programObject == nullptr) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidOperation,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
"There is no current program object."));
return;
}
if (location >= programObject->GetUniformCount() || location < -1) {
MG_State::pGLContext->RecordError(
ErrorCode::InvalidOperation,
MakeShared<GenericErrorInfo>("MG_Impl/GLImpl", __func__,
"`location` is an invalid uniform location for the current program object and `location` is not equal to -1."));
return;
}
for (GLint offset = 0; offset < count; offset++) {
Uniform_State<VecCount>(*programObject, location + offset, value + offset * VecCount);
}
}
void Uniform1fv_State(GLint location, GLsizei count, const GLfloat* value) {
Uniformv_State<1>(location, count, value);
}
void Uniform2fv_State(GLint location, GLsizei count, const GLfloat* value) {
THROW_UNIMPL_EXCEPTION;
Uniformv_State<2>(location, count, value);
}
void Uniform3fv_State(GLint location, GLsizei count, const GLfloat* value) {
THROW_UNIMPL_EXCEPTION;
Uniformv_State<3>(location, count, value);
}
void Uniform4fv_State(GLint location, GLsizei count, const GLfloat* value) {
THROW_UNIMPL_EXCEPTION;
Uniformv_State<4>(location, count, value);
}
void Uniform1iv_State(GLint location, GLsizei count, const GLint* value) {
THROW_UNIMPL_EXCEPTION;
Uniformv_State<1>(location, count, value);
}
void Uniform2iv_State(GLint location, GLsizei count, const GLint* value) {
THROW_UNIMPL_EXCEPTION;
Uniformv_State<2>(location, count, value);
}
void Uniform3iv_State(GLint location, GLsizei count, const GLint* value) {
THROW_UNIMPL_EXCEPTION;
Uniformv_State<3>(location, count, value);
}
void Uniform4iv_State(GLint location, GLsizei count, const GLint* value) {
THROW_UNIMPL_EXCEPTION;
Uniformv_State<4>(location, count, value);
}
void UniformMatrix2fv_State(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) {