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LibGL: Implement glGetMaterial

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This commit is contained in:
Jesse Buhagiar 2022-01-21 09:53:28 +11:00 • committed by Andreas Kling
parent f5cde1b6fb
commit 68e50759b4
5 changed files with 76 additions and 0 deletions
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60
Userland/Libraries/LibGL/SoftwareGLContext.cpp
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@ -3577,4 +3577,64 @@ void SoftwareGLContext::get_light_param(GLenum light, GLenum pname, T* params)
}
}
void SoftwareGLContext::gl_get_material(GLenum face, GLenum pname, void* params, GLenum type)
{
APPEND_TO_CALL_LIST_AND_RETURN_IF_NEEDED(gl_get_material, face, pname, params, type);
RETURN_WITH_ERROR_IF(m_in_draw_state, GL_INVALID_OPERATION);
RETURN_WITH_ERROR_IF(!(pname == GL_AMBIENT || pname == GL_DIFFUSE || pname == GL_SPECULAR || pname == GL_EMISSION), GL_INVALID_ENUM);
RETURN_WITH_ERROR_IF(!(face == GL_FRONT || face == GL_BACK), GL_INVALID_ENUM);
Face material_face = Front;
switch (face) {
case GL_FRONT:
material_face = Front;
break;
case GL_BACK:
material_face = Back;
break;
}
if (type == GL_FLOAT)
get_material_param<GLfloat>(material_face, pname, static_cast<GLfloat*>(params));
else if (type == GL_INT)
get_material_param<GLint>(material_face, pname, static_cast<GLint*>(params));
else
VERIFY_NOT_REACHED();
}
template<typename T>
void SoftwareGLContext::get_material_param(Face face, GLenum pname, T* params)
{
auto const& material = m_material_states[face];
switch (pname) {
case GL_AMBIENT:
params[0] = static_cast<T>(material.ambient.x());
params[1] = static_cast<T>(material.ambient.y());
params[2] = static_cast<T>(material.ambient.z());
params[3] = static_cast<T>(material.ambient.w());
break;
case GL_DIFFUSE:
params[0] = static_cast<T>(material.diffuse.x());
params[1] = static_cast<T>(material.diffuse.y());
params[2] = static_cast<T>(material.diffuse.z());
params[3] = static_cast<T>(material.diffuse.w());
break;
case GL_SPECULAR:
params[0] = static_cast<T>(material.specular.x());
params[1] = static_cast<T>(material.specular.y());
params[2] = static_cast<T>(material.specular.z());
params[3] = static_cast<T>(material.specular.w());
break;
case GL_EMISSION:
params[0] = static_cast<T>(material.emissive.x());
params[1] = static_cast<T>(material.emissive.y());
params[2] = static_cast<T>(material.emissive.z());
params[3] = static_cast<T>(material.emissive.w());
break;
case GL_SHININESS:
*params = material.shininess;
break;
}
}
}